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    40" Seaplane Tender, new build
    by jbkiwi ๐Ÿ‡ณ๐Ÿ‡ฟ ( Captain)
    ๐Ÿ“ฃ










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    46 Posts 231 Comments 0 Photos 235 Likes
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    ๐Ÿ“ SEAPLANE TENDER, CHANGE OF ESCs
    19 days ago by jbkiwi ( Captain)
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    Re Dougs' comment and recommendation re the Hobbywing ESCs (and the better fwd/rev capabilities) I decided to take a punt and buy a couple to try. Fitted them with a bit of re-wiring and they work very well. The cheapo ones I was using (with fans) were fine but had the jog forward to reverse feature (safety feature for rock crawlers) which was a mild annoyance. Not sure if $18 as against $50 for 2 ESCs is really worth it just for the convenience, but it's done and working.๐Ÿ˜Š (it's only money, right?)๐Ÿ˜ Tanks Doug!๐Ÿ˜๐Ÿ˜Š

    Also I swapped the sound unit in the MTB for the newer self contained one in the ST, so the ST now has 2 the same and I don't need the extra REC any more (due to the incompatibility between the 2 types ) Another lot of re wiring, but it's much better now and all happiness filled๐Ÿ˜Š. Just have to buy the later speaker which is much better, (can actually have 2 speakers on each unit, plus sirens, lights, indicators etc) (only another 20+ wires to fit)
    JB

    Hobbywing ESCs
    speaker
    Tanks
    ESCs
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    ๐Ÿ’ฌ Re: SEAPLANE TENDER, CHANGE OF ESCs
    19 days ago by redpmg ( Sub-Lieutenant)
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    Try water cooling the esc's next time JB - easier than fans . So save el cheapo's for the next project and glue two short pieces of brass tubing to the casing's (even if its shrink wrap). Then u tube one side with silicone tube and other end in/out - so there you are grandmother..........
    But it does work and no unnecessary electric drain............
    Are the cheapo's not programmable at all ?
    If you don't want them can always let you have my snail mail address...............
    What makes you think Im tight........
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    ๐Ÿ’ฌ Re: SEAPLANE TENDER, CHANGE OF ESCs
    19 days ago by jbkiwi ( Captain)
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    Haven't found a programmer yet Peter but that's not to say there isn't one, although they work perfectly for what they are designed for. I bought some small 30A brushless ESCs a while back and when I asked the seller if there was a card for them he told me they didn't make one . With a bit of detective work I found a card under a different brand name which works fine.

    Pic is of OCDAY branded ESC and unknown card which works.
    How I found it was through an ad on Banggood, which showed the same ESC in a different colour and brand but with a card, so I found the same card elsewhere by itself and took a gamble and bought one, and it worked!

    Fans aren't too much of a problem as I use quite large main batteries (and they only draw about .02A) so the 2200MAh batteries don't even notice them (probably don't even need the fans, just something I put on 'cos I could'). New ESCs are 60A so they are not going to worry about a 2.5-3A motor draw max. Did think about water cooling but the extra pipe work wouldn't fit without a lot of reworking space, and it's a plumbers' nightmare already.

    I'll probably use the cheapos in the Maiami which I was thinking of converting to twins and giving the balsa hull a bit of fairing and maybe glassing. Really have to get rid of some planes to make room for any new projects, and finish re-doing the Graupner Optimist, and jazzing up the Fairacre launch a bit. Enough there to keep me busy for next winter. Will just be working on the smoke devices on and off for now, as I'd like to get a compact version going well.
    JB

    ESCs
    one
    batteries
    2200MAh
    smoke devices
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    ๐Ÿ’ฌ Re: SEAPLANE TENDER, CHANGE OF ESCs
    19 days ago by redpmg ( Sub-Lieutenant)
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    Do you water cool the motors JB? Used to have problems with my very old ESC's from Hi-Tec, with 400 motors they were running close to the limit of 10amps on 8.4v without blowing the fuses and causing intermittent glitches. Seeing as I can never seem to connect more than 2 wires without starting a fire went for the easy option and simply squeezed the silicon return tubes from the motors into the cooling fins . No more glitches...........
    Still have to learn about these fancy modern esc's............Hopefully will be doing so in the new year when some goodies should arrive.

    motors
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    ๐Ÿ’ฌ Re: SEAPLANE TENDER, CHANGE OF ESCs
    19 days ago by redpmg ( Sub-Lieutenant)
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    Looking forward to a blog on the Miami JB - be interesting to see how you do it - found a whole lot of articles on smoking your boat - if you wanted them can scan & send......Never know there might be a germ of an idea somewhere............now if only I can get around to my steam drifter with its smoke unit .......but beginning to feel like Christopher Robins shipwrecked sailor who never knew where to start and ended up just sitting ...........
    Have parts cut/cutting for two off Dave Milbournes Faireys - one being for a friend who is the other person here remotely interested in model boats........as well as countless half finished projects which stalled for various reasons........
    In the meantime need to finish 57 perspex trophies to keep the wolf from the door......
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    ๐Ÿ’ฌ Re: SEAPLANE TENDER, CHANGE OF ESCs
    18 days ago by jbkiwi ( Captain)
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    Hi Peter, yes I cool the motors with brass tube coils and water pump. I'm not sure if they even get hot as I never tried without them. I work on the theory, 'put everything on you think you might need and if you don't need it you can take it off' I don't prop the motors too high,- rather let them rev higher with less pitch, thereby taking the load off the motors.
    The motors are 540 45 turns which is sort of 'low gearing, high torque' so they are not straining. I could put on much bigger props and make a speedboat out of it, but it wouldn't look right. Batteries are only 2s 2200 MAh and last for over an hour, so motors aren't sucking many amps.

    I use 2 12V 385 motors in the MTB with no cooling other than clip on heat sinks and a computer fan blowing air through the boat, and they've been running for years (get that hot you can't touch them) with no probs. Just keep the bushes oiled now and then. These are so cheap they are not worth worrying about. With fans and ready made water cooling plates available these days for ESCs etc there should be no overheating probs, and most ESCs have temp and low voltage sensors and cut out if they get too hot, or with low voltage, (if they cut for temp reasons you know to up your cooling or unload the motors) The modern boat/car ESCs are pretty much plug and play, - auto cell count sensing( LiPos), auto throttle centering etc)
    Still using a 70's 20A Futaba marine ESC (in the Fairacre launch) which is as good as any similar unit today. Just plug any 12v battery in (no need for cell counting LiPos) and away you go. Was used on 27MhZ but now used on 2.4. Also used an Electronize unit,- nice but huge and makes an annoying fizzing sound going slow so I replaced it.
    JB

    brass tube coils
    motors
    Batteries
    water cooling plates
    car
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    ๐Ÿ“ SEAPLANE TENDER, WATER COOLING SYSTEM ADDITION
    2 months ago by jbkiwi ( Captain)
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    Just fitted this IC 3 way fuel tap, for balancing the water flow between the rear exhausts and side tell-tales. Too much was going to the exhausts, as the tubing is a larger ID. Works well with the new voltage controller to get the flow just right.
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    ๐Ÿ’ฌ Re: SEAPLANE TENDER, WATER COOLING SYSTEM ADDITION
    2 months ago by Martin555 ( Rear Admiral)
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    Hi Jb,
    Your next challenge is to get that spluttering effect of with water out of the exhaust !

    Meritn555.
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    ๐Ÿ’ฌ Re: SEAPLANE TENDER, WATER COOLING SYSTEM ADDITION
    2 months ago by jbkiwi ( Captain)
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    Already done that Martin (discovered by accident) just need to introduce the right amount of air into the pickup hose, only problem is that the side tell-tales splutter as well, (another pump, more hoses) think I'll look at that for the next project. A few new vids coming if I can get them reasonable on YT. just thought,-might try the exhaust mods on the 'Fairacre', it has spare room inside and needs a few improvements, (twin exhausts, sound unit etc)
    JB
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    ๐Ÿ’ฌ Re: SEAPLANE TENDER, WATER COOLING SYSTEM ADDITION
    2 months ago by mturpin013 ( Lieutenant Commander)
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    Hi JB what type of pump are you using ,is it a Peristaltic type? Also where did you buy the IC 3 way fuel tap , its a nice looking one and in the correct orientation.
    Michael
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    ๐Ÿ’ฌ Re: SEAPLANE TENDER, WATER COOLING SYSTEM ADDITION
    2 months ago by jbkiwi ( Captain)
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    Hi Mike, pump is an oscillating silicone diaphragm pump (continuous flow) 6-12V from Banggood eg-

    https://www.banggood.com/DC6-12V-R385-Aquarium-Fish-Tank-Rou...

    I have one in my HSL as well and they seem to be very reliable (and are cheap). There are various sizes and brands of these and I have another which is a bit smaller I bought for an experiment. The 3 way tap I bought about 12 yrs ago, either EBay, Ali Express or Banggood (can't remember which,) and past orders have been deleted on these sites after 10 yrs (Hobby king is the same) Just had a look through all the sites I've used ( including Great Planes, and other aircraft sites and can't find a single R/C fuel tap!

    Plane and boat hobbies have been slowly dying round the world, and the dwindling number of available accessories (especially in the IC area) is sad to see. A number of the largest US model companies have closed in the past 10 yrs or been absorbed by others. I have 7 planes from US (1 UK) model kit companies which are no longer in business. I had a number of Graupner models in the 70s and 80s (boats and planes) and now they really don't exist as they did any more.

    Also looked on Made In China.com - look here if you want to see where all Chinese made anything comes from (manufacturers wholesalers etc, - prices samples anything. Very Interesting!
    JB
    https://www.banggood.com/DC6-12V-R385-Aquarium-Fish-Tank-Round-Water-Air-DC-Diaphragm-Pump-p-1037303.html?rmmds=search&cur_warehouse=CN
    ๐Ÿ”—

    accessories
    models
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    ๐Ÿ“ SEAPLANE TENDER ELECTRONIC ADDITION
    2 months ago by jbkiwi ( Captain)
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    Had a small issue with the water pump speed, as on 2s it was a little slow. A 3s was a bit much for the motor to run flat out at max voltage (even though it's a 6-12v motor) and I really wanted something around 10v so as not to wear the pump diaphragm out too quickly. I also wanted a better flow of water from the side outlets and exhaust.
    I had recently purchased a couple of cheap voltage controllers from Ali Express, which work well, so I fitted one in the power line to the pump and ESC fans (fans are limited by a UBEC) and it's now adjustable to suit the flow required.

    I was thinking of fitting a small 10A ESC to match the flow with the throttle but it requires a lot more wiring, this was just a 10 min job. Next job is to throw the boat back in the water and set the flow.
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    ๐Ÿ’ฌ Re: SEAPLANE TENDER ELECTRONIC ADDITION
    2 months ago by Martin555 ( Rear Admiral)
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    Hi Jb,
    "Next job is to throw the boat back in the water"
    all you need do is hold it above the water and the oil will do the rest.LOL!
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    ๐Ÿ’ฌ Re: SEAPLANE TENDER ELECTRONIC ADDITION
    2 months ago by jbkiwi ( Captain)
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    I'm thinking of towing an oil boom behind the boat with a pickup and pump to recycle the oil, -that way I'd never run out!๐Ÿ˜๐Ÿ˜Š 'Oil' be coming up with some more roily clever ideas later Martin๐Ÿ˜‚
    JB

    pickup
    ๐Ÿ˜๐Ÿ˜Š 'Oil
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    ๐Ÿ“ SEAPLANE TENDER STAND ADDITION
    2 months ago by jbkiwi ( Captain)
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    Not much to add really, just made a drip tray on the back of the stand for the prop shafts. They are ball bearing shafts and weep quite a bit of oil, (a good thing as it cleans out any water)

    shafts
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    ๐Ÿ’ฌ Re: SEAPLANE TENDER STAND ADDITION
    2 months ago by RNinMunich ( Fleet Admiral)
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    I trust that's "Green" oil JB ๐Ÿ˜‰
    (Duckhams perhaps!)
    ๐Ÿ˜Ž
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    ๐Ÿ’ฌ Re: SEAPLANE TENDER STAND ADDITION
    2 months ago by Martin555 ( Rear Admiral)
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    Bouncing off jettys broken mast and now drip trays to catch oil!
    She is getting old before her time.
    Is there any reason why you used oil and not grease?


    martin555.
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    ๐Ÿ’ฌ Re: SEAPLANE TENDER STAND ADDITION
    2 months ago by mturpin013 ( Lieutenant Commander)
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    Are the shafts ball bearing at both ends? and canโ€™t you get sealed bearings. I have a bearing shaft but only on the inboard end and that is sealed.
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    ๐Ÿ’ฌ Re: SEAPLANE TENDER STAND ADDITION
    2 months ago by Rookysailor ( Lieutenant)
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    Yet another problem to sort jb, boating can be a hassle at times, I used to use a light oil for my bearing/shaft, the a friend told me about white lithium grease, no heavy and thick, but light and smooth, works great, and stops the water creeping up the shaft! don't know whether it's available in NZ, but if you want to try, can send you some.๐Ÿ˜

    Cheers, Peter
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    ๐Ÿ’ฌ Re: SEAPLANE TENDER STAND ADDITION
    2 months ago by jbkiwi ( Captain)
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    Re- Bouncing off jettys broken mast and now drip trays to catch oil

    Hi Martin, I use oil as the bearings need constant lubrication at high speed and I don't trust Chinese bearings to run without it. The shaft clearance is pretty poor in the inner Diam which I think is where most of the oil is leaking (have the same thing with the Graupner bushed shafts in the HSL. Grease tends to get thrown off shafts and does not get through such small shielded bearings. Probably ok if you have a high pressure grease nipple on the shaft tube.

    In all electric R/C aircraft the usual thing to do is remove the motor now and again and use a special thin oil in the bearings (Scorpion sell their own oil for this). I have pulled a few dud bearings from motors apart, and there has been no trace of grease even though the motors have been near new.

    They are very small bearings, so will get hot rapidly without regular lubrication, and seeing they have metal shields, there is no way of getting grease in anyhow (without perhaps using the motorbike chain 'cook in grease' method which would not be practical) The shaft oiler devices are made to suit lost oil replacement also.

    The weeping oil also calms the lake water and gives it that used smell and authentic look, and stops the ducks legs squeaking as well ๐Ÿ˜Š๐Ÿ˜€๐Ÿ˜‚
    JB

    shaft oiler devices
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    ๐Ÿ’ฌ Re: SEAPLANE TENDER STAND ADDITION
    2 months ago by RNinMunich ( Fleet Admiral)
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    "and stops the ducks legs squeaking as well "
    Quacking good idea JB ๐Ÿ‘
    Doesn't seem to stop the other end squeaking though๐Ÿค”
    Cheers, Doug ๐Ÿ˜Ž
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    ๐Ÿ’ฌ Re: SEAPLANE TENDER STAND ADDITION
    2 months ago by jbkiwi ( Captain)
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    Re - Are the shafts ball bearing at both ends? and canโ€™t you get sealed bearings

    Hi Mike, they have dual bearings which are MF 74 flanged bearings - 4x7-(8.2)x2.5 - steel double shielded, so are quite small, and are a tight fit in the brass tube so I don't want to disturb them until I need to. I've ordered some Zokol branded bearings from Ali Express as future replacements' so I'll see what they are like when they come. I might order some MBA stainless bearings if they have them as well, as I know you can trust them to be good quality.

    Have found some Chinese bearings to be very soft and give out early, even though regularly lubed (planes) as against the better FAG, SKF, Koyo, Timken MBA etc which I've replaced them with which last for years, (haven't replaced a replacement yet in 10+ years) Not sure if you can get these particular mini bearings in a sealed version, (I haven't seen one in the mini bearings range)

    I've added the pic for others to view regarding lubrication, which may be of interest . (see also comment above to Martin.
    JB

    bearings
    version
    replacement
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    ๐Ÿ’ฌ Re: SEAPLANE TENDER STAND ADDITION
    2 months ago by jbkiwi ( Captain)
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    RE- Doesn't seem to stop the other end squeaking though๐Ÿค”

    I've found a 12 gauge heavy metal injection stops that Doug๐Ÿ˜Š๐Ÿ˜‰
    JB
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    ๐Ÿ’ฌ Re: SEAPLANE TENDER STAND ADDITION
    2 months ago by jbkiwi ( Captain)
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    RE- Yet another problem to sort jb,
    No problem really Peter, more just a slight nuisance. All of my boats weep oil slightly and it's a bit like the old British motorbikes (BSA, Triumph etc) saying, 'when they stop leaking oil it's time to put more in' (my BSA B31 and B40 were prime examples)๐Ÿ˜€ Thanks for the offer on the grease, appreciated, but we have all the different types available here. Probably not allowed to send it these days anyhow!) - nothing remotely flamable,-couldn't even buy a new empty, fluid type Zippo styled lighter on line for my son, had to buy an electronic one!

    The Lithium is quite good for most things and there is also a similar one which is Calcium Sulfonate, which has even better properties but a bit more expensive and not really warranted. Have included a pic of some SKF grease which looks good but the main problem I have with using grease is getting it into the shaft tube and through the bearings (with shields), and once you put it in you can no longer use oil and will have to try and clean it out before doing that again.

    A small problem with plain white lithium grease is that it can go hard and 'cake' with age, although if the shaft tube is full it would help stop water getting in as you said. Very little oil weeps out when running as the Teflon washers on the shafts push up and close off the bearings. Only an issue in the car or at home (hence the tray)
    JB

    motorbikes
    Triumph
    washers
    tray
    car
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    ๐Ÿ’ฌ Re: SEAPLANE TENDER STAND ADDITION
    2 months ago by Martin555 ( Rear Admiral)
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    Hi Jb,
    Do you use a thicker oil for the swans LOL!

    Martin.
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    ๐Ÿ’ฌ Re: SEAPLANE TENDER STAND ADDITION
    2 months ago by Rookysailor ( Lieutenant)
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    Looks like the SKF grease has similar properties to the lithium grease, I don't know if it cakes after time, as at the boating year end, (when our lake freezes), I re-furbish all my propshafts for the coming year, that way no problems.๐Ÿ˜‰

    Cheers, Peter
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    ๐Ÿ’ฌ Re: SEAPLANE TENDER STAND ADDITION
    2 months ago by RNinMunich ( Fleet Admiral)
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    Hi All.
    Interesting debate๐Ÿ˜‰
    All I can say is that my experience with lithium grease, whatever the colour, is that it will over time cake and stick to the walls of the tube.
    Had similar experience using it in car wheel bearings โ˜น๏ธ
    Seems to be due to the nature of lithium, i.e. plates, which slide over each other to provide the 'lubrication effect'. But it don't last. Eventually the stuff dries out and the plates stick together. Coagulation ๐Ÿ˜ญ
    I now use Gear-Flon, a PTFE/TEFLON grease from Dupont.
    Bought mine from Krick here in Germany. I squish it in under pressure with an oversize syringe.๐Ÿ˜‰
    You can also find it on Amazon etc.
    https://www.amazon.de/GEAR-FLON-Hochleistungsfett-mit-Teflon...
    Cheers, Doug ๐Ÿ˜Ž
    PS To JB: I also inject some into ball races, until it extrudes from the other side, before fitting them!๐Ÿ˜‰
    PPS: Almost forgot๐Ÿ˜ฎ I also fit a dished oil saver washer between the shaft tube and the thrust washer. A habit I got into while still using oils for shaft lubricants.
    https://www.amazon.de/GEAR-FLON-Hochleistungsfett-mit-Teflon/dp/B00UI0AS40?language=en_GB
    ๐Ÿ”—

    plates
    oil saver washer
    thrust washer
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    ๐Ÿ’ฌ Re: SEAPLANE TENDER STAND ADDITION
    2 months ago by Martin555 ( Rear Admiral)
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    Hi Guys,
    Has anyone tried petroleum jelly (vasoline) ?
    I have heard some years ago now of someone forcing it in a tube with a syringe.

    Martin555.

    petroleum jelly
    syringe
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    ๐Ÿ’ฌ Re: SEAPLANE TENDER STAND ADDITION
    2 months ago by RNinMunich ( Fleet Admiral)
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    "I've found a 12 gauge heavy metal injection stops that Doug๐Ÿ˜Š๐Ÿ˜‰"
    Must make a helluva mess of the prop though JB โ˜น๏ธ
    ๐Ÿ˜๐Ÿ˜Ž
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    ๐Ÿ’ฌ Re: SEAPLANE TENDER STAND ADDITION
    2 months ago by RNinMunich ( Fleet Admiral)
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    "Has anyone tried petroleum jelly (Vasoline) ?"
    Have never tried it Martin, never even considered it!
    Metal to metal is not quite what it was developed for, and I strongly suspect that it's melting point is far too low and it would rapidly exit stage astern!๐Ÿค”

    BTW: Whatever grease / oil you use injection under pressure from a syringe is always recommendable. ๐Ÿ‘ As mentioned above; if fitting ball races or roller bearings injection / filling with grease under pressure BEFORE fitting is also highly recommendable.
    Cheers, Doug ๐Ÿ˜Ž
    PS Apropos Teflon grease: If it's good enough for the Teflon President (DJT) then it's good enough for my boats!๐Ÿ˜

    petroleum jelly
    syringe
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    ๐Ÿ’ฌ Re: SEAPLANE TENDER STAND ADDITION
    2 months ago by jbkiwi ( Captain)
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    Re - Has anyone tried petroleum jelly (vasoline) ?.
    It's only for external use Martin !!! ๐Ÿ˜ฎ๐Ÿ˜ฎ๐Ÿ˜ฎ๐Ÿ˜‚๐Ÿ˜‰
    JB

    petroleum jelly
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    ๐Ÿ“ 40" Seaplane Tender, on the water at last
    2 months ago by jbkiwi ( Captain)
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    Finally got a reasonable day and got the model on the water for the first trial, - goes pretty well (see vid) A few small trim tweaks and she'll be set. Very economical on the batteries as well.
    JAGUAR, 40" R/C SEAPLANE TENDER, 1ST TRIAL RUN
    โ–ถ๏ธ

    batteries
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    ๐Ÿ’ฌ Re: 40" Seaplane Tender, on the water at last
    2 months ago by Martin555 ( Rear Admiral)
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    Hi Jb,
    May I just say that I thoroughly enjoyed your build log, and to finally see her on the water was the icing on the cake!
    You have done an exceptional job from start to finish.
    And I am glad that it did not shoot across the water like a rocket.
    Most enjoyable, thank you.
    And what a beautiful place to sail her.
    Well done.

    Martin555.
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    ๐Ÿ’ฌ Re: 40" Seaplane Tender, on the water at last
    2 months ago by redpmg ( Sub-Lieutenant)
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    Good piece of water you have there JB - what is it dam or river ?
    Was at Beale park in UK when a fellow was demonstrating his gas turbine powered Bluebird K7. Only just got on to the plane and had to shut down - short water - looks like he could have run it successfully there.
    Tender looking great on the water - glad you have her running before you added much more detail. From the pictures of the bow wave it looks pretty much like scale speed - seems to be the same as in pics of 206's final run.
    What sort of endurance on the batteries exactly ?
    Now onto the next model then??????
    PS what about a ducted fan Bluebird or Crusader..........

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    ๐Ÿ’ฌ Re: 40" Seaplane Tender, on the water at last
    2 months ago by jbkiwi ( Captain)
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    Re- May I just say that I thoroughly enjoyed
    Thanks for the kind words Martin, and the input of ideas during the project. I was pleased with the way it sat first off, with no need for ballast. Need to trim the rudders (a bit more right required) and put a 3 cell on the pump maybe, to make the water a bit more visible, but other than that it runs well I think. Despite being a bit 'full' round the forward chine area (lack of proper plan ) it didn't turn out too 'orrible'๐Ÿ˜€ Also need a better camera, (perhaps my son might get me one for my next birthday with the money he owes me, (laughs hysterically๐Ÿ˜‚๐Ÿ˜‚๐Ÿ˜‚๐Ÿ˜‚)
    JB

    camera
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    ๐Ÿ’ฌ Re: 40" Seaplane Tender, on the water at last
    2 months ago by Commodore-H ( Petty Officer 1st Class)
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    great looking model. Goes very well๐Ÿ˜‹.

    Is there more detail to come or is that it?
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    ๐Ÿ’ฌ Re: 40" Seaplane Tender, on the water at last
    2 months ago by jbkiwi ( Captain)
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    Re - Good piece of water you have there JB - what is it dam or river
    Hi Peter, it's actually a drainage pond for the golf course and surrounding housing area, and belongs the the Gulf Harbour development co. The Gulf Harbour R/C yacht club sails there and are the ones who built the jetty. I was happy with the model and it ran as I hoped it would, luckily.

    Battery life running as it was in the vid, would have been around 45/50mins being safe, (not going below 3.3v/cell, - battery alarm is set for 3.6/ cell and had not gone off )

    Batteries are 2011 and 2012 so they are getting on a bit, ( the 2011 is getting a bit puffy but still balances ok) I might replace them with 2800s but probably not necessary, as just chugging around I'd probably get an hour or more. Motors only draw about 2,1A max ea static, (under way less than that.) and seem just right for the boat.

    Had actually thought of something ducted fan powered, as I have around 8 various spares I built to experiment with in the Vampires (incl 4 in a ducted fan experimental quad I built, if necessary). see pic. Next model might be the 20ft Hartley cabin boat I built a few years ago, but that might be next year, as I have a lot of other things which need doing. I'm re-doing the Graupner Optimist at the moment between jobs. Thought about a ducted fan airboat (still have a hull I made 15yrs ago!)
    JB

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    ๐Ÿ’ฌ Re: 40" Seaplane Tender, on the water at last
    2 months ago by jbkiwi ( Captain)
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    Thanks C H , probably not a lot more detail, as that is pretty close to the original boat, (later in the 80s, the boat had the rear aerial mast removed as I think a modern VHF radio was fitted) It was privately owned for many years (imported from Southampton 1955) and probably had a lot of original gear removed (also does not have the lifting chain plates,- not sure if they were removed or never fitted) Just built it as it was (or near as) in the 70s.
    Nearest boats I've found in looks are the original 'Flying Christine' St Johns Ambulance boats from Guernsey.
    JB

    boat
    gear
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    ๐Ÿ’ฌ Re: 40" Seaplane Tender, on the water at last
    2 months ago by mturpin013 ( Lieutenant Commander)
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    It must be very satisfying to see all your hard work in action, well done.
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    ๐Ÿ’ฌ Re: 40" Seaplane Tender, on the water at last
    2 months ago by MouldBuilder ( Lieutenant)
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    Very nice model. Looks good on the water.
    I like the lake. Very calm. I still like the bright yellow life boat. You could run this model at night without lights.๐Ÿ˜

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    ๐Ÿ’ฌ Re: 40" Seaplane Tender, on the water at last
    2 months ago by jbkiwi ( Captain)
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    Thanks Mike, she's not perfect (drawings I went off were way out and needed some serious correction and additions) but she floats and runs ok so that's a bonus. Always good when things work out!
    JB
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    ๐Ÿ’ฌ Re: 40" Seaplane Tender, on the water at last
    2 months ago by jbkiwi ( Captain)
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    RE - I like the lake. Very calm.
    Thanks MB, it's a good lake when it's not too windy. There are some nasty 'no mans land' areas where you'd need a boat to get your model back, if it stopped with an'offshore' wind. Ran my HSL there at night once, surprising how hard it is to track a model at night, even with all the lights going. Lucky I had sound units fitted and could hear roughly where it was till I got within about 30ft!
    JB

    boat
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    ๐Ÿ“ 40" Seaplane Tender, new build. mods and improvements.
    3 months ago by jbkiwi ( Captain)
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    Due to rubbish weather at the moment delaying the launching, I thought I'd fit fans to the ESCs, as I noticed them getting slightly warm during testing. Fans (5v) now come on with the cooling pump through a 5v UBEC, and powered by the same 2s 1800Ma LiPo as the pump.
    Also made a few brass tube fittings to divert some of the cooling water to some new side outlets (vintage 'Frog' fittings from my collection). Another small refinement was to fit mahogany anchor chain/ warp rubbers at the forward fairleads.
    Have also fitted a battery monitor/alarm which is visible for checking through the rear cabin window. If it keeps raining and the wind keeps up I might think of something else to do to it. It's already a plumber and electricians nightmare! (I want smoke but I've run out of room! (I'm working on that though.

    1800Ma LiPo
    battery monitor
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    ๐Ÿ’ฌ Re: 40" Seaplane Tender, new build. mods and improvements.
    3 months ago by RNinMunich ( Fleet Admiral)
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    The Rat's nest grows!๐Ÿ˜‰
    Bet you wish now you'd fitted some wire IDs before the connectors๐Ÿค”
    Nevertheless, a great and impressive build๐Ÿ‘๐Ÿ‘๐Ÿ‘
    Like that with the monitor, will add one to my Sea Scout. Gotta couple kicking about in the workshop. Now where did I last see 'em?๐Ÿ™„
    For the smoke;
    You won't need much smoke, not like a coal fired destroyer with the 'pedal to the metal'.๐Ÿ˜‰
    So have a look at your "local" model railway shop.
    They have nice tiny ones for fitting into HO locos. I have a few to try in my Plastic Magic conversions. Just hope that they don't cause a Meltdown!!๐Ÿ˜ญ
    Cheers, Doug ๐Ÿ˜Ž
    PS Just saw your weather on CNN ๐ŸŒง๏ธโ˜น๏ธ Only 13ยฐC, that's colder than here 18 to 24ยฐC and we have autumn, thought you had spring!? Commiserations!

    monitor
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    ๐Ÿ’ฌ Re: 40" Seaplane Tender, new build. mods and improvements.
    3 months ago by Martin555 ( Rear Admiral)
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    I love the Detroit motors.
    If we don't get better weather soon your boat will sink with all the extra bits LOL!
    Excellent job, definitely looking forward to seeing her sea trials.

    It may be to early to ask but what is the next project ?

    Martin555.

    boat
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    ๐Ÿ’ฌ Re: 40" Seaplane Tender, new build. mods and improvements.
    3 months ago by jbkiwi ( Captain)
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    Hi Doug, - rats nest indeed! ๐Ÿ˜‚ Thanks for the nice comment BTW, I do actually have ID tags (masking tape on wires),- you can't see most of them as they are hidden behind the felt lining and under the deck and floor boards. I also use male and female JST plugs reversed when 2 connections are close together. Main power into systems comes from each battery, and splits into a number of JST connectors which supply each particular unit.
    It's hard to get so many wires neat and tidy in a limited space, as they don't always exit or enter the units in a convenient direction, and some don't bend all that well. Short of cutting all the wires off and substituting my own, I just do the best to fit them as they come.
    Looks messy but when you are trying to fit 2 ESCs, 2 sound units,(which have to be lifted out while wired, to get at batteries) a water pump, 2 1800 mAh LiPos, 2 remote switches, a battery monitor, 2 shaft oiler reservoirs and a UBEC and associated wiring (including light feed wiring to cabin top) into a space of around 200x200x100mm it's bound to get messy!
    A problem is finding nice quality flexible silicone wire (especially on JST plugs) which bends nicely round things. Most wire products you get on line are stiff poor quality stuff, and you don't know what type it will be till you get it.
    Main thing is that it all works and you can't see it with the top on๐Ÿ˜๐Ÿ˜Š
    Re- the smoke,- I have 3 Heng Long smokers (one of which I've modded (see vid) and am experimenting with ways of making them compact, (been done on You Tube with a smaller fan than I used (in place of original pump) stuck directly to the side of the smoker tank. The smokers work really well, - just have to reduce the size (maybe a small motor in a tube with a propeller to replace the pump)
    Hard part is finding smoke which is 'waterproof' as it has to come out with the exhaust water. Usual baby oil smoke just disappears and doesn't travel well down tubes, (even without water) so the unit needs to be close to the exit with a non oily smoke. Perhaps an incense stick or cigarette in a tube?๐Ÿ˜€๐Ÿ˜Š
    JB

    ESCs
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    ๐Ÿ’ฌ Re: 40" Seaplane Tender, new build. mods and improvements.
    3 months ago by jbkiwi ( Captain)
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    Re-I love the Detroit motors.
    You're right Martin, she's getting heavier by the day. I'll have to put the model out of sight so I don't look at it and think of something else!๐Ÿ˜€ Next project might be (if I can sell a few planes off to get some space back) might be a 36" model of the Hartley 19'6" 'Flareline' cabin boat which I built back around 1990. Might build it with the trailer (which I also built) and a Farmall 'A' tractor which I used to tow it (if I can find a big enough scale kit).
    Thought of doing it for years but never got on to it. I fitted it with a marinised 110 HP MKIII Zodiac motor and an NZ Argonaught stern drive, and it had a top speed of 30mph. Only sold it because of constant conflict with the first mate, (would not follow the 'only one captain on a boat' rule and had too many arguments/mutinys) she's no longer on the crew๐Ÿ˜Š๐Ÿ˜Š๐Ÿ˜Š๐Ÿ˜‰
    JB

    trailer
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    ๐Ÿ˜Š๐Ÿ˜Š๐Ÿ˜Š๐Ÿ˜‰ JB
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    ๐Ÿ’ฌ Re: 40" Seaplane Tender, new build. mods and improvements.
    3 months ago by jbkiwi ( Captain)
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    Re - PS Just saw your weather on CNN ๐ŸŒง๏ธโ˜น๏ธ Only 13ยฐC,
    We didn't get where we are today having lovely weather all the time Doug๐Ÿ˜Š toof as leather oos! Just a luvly 17.5 deg inside at the mo. Few minus figures down South but more wet than anything. Been blowing about 25-30mph gusts for a few days now, and at times torrential precipitation, (plants need water) and this is often our spring weather ( probably going to have 30deg in summer).
    My 60ft gum tree fell down in similar weather a few years ago, - missed the house (and neighbours van) by feet. Fell down perfectly between the 2 houses. Wind changed 90 deg half an hour later, which would have taken out the neighbors van and part of his house!
    But I can grow PawPaws, Bananas, passion fruit, Tree Tomatoes (Tamarillos) etc in the summer (even managed to get a Mango going before a fungus killed it โ˜น๏ธ) so it's not so bad being down the rissole of the world๐Ÿ˜Š.๐Ÿ˜Ž
    JB

    van
    Tamarillos
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    ๐Ÿ’ฌ Re: 40" Seaplane Tender, new build. mods and improvements.
    3 months ago by Martin555 ( Rear Admiral)
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    Hi Jb,
    I must of mist this earlier,sorry.
    It looks like it could be a nice project.

    It might be me but I think that the superstructure looks a bit big for the hull.
    Maybe I should get my eyes retested.

    Martin555.
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    ๐Ÿ’ฌ Re: 40" Seaplane Tender, new build. mods and improvements.
    3 months ago by redpmg ( Sub-Lieutenant)
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    Be careful with all that wiring JB - you might start getting smoke for the wrong reason ......
    Seriously she's looking good but you need to get on with another project before you sink her with all the extra weight..............
    Did the same with the Police Boat so there's a large speaker fitment behind the stern doors and a siren unit with 9v battery stolen from my childs bike plus an old fashioned flasher unit for the blue light - all in the superstructure - made her top heavy and started to wallow instead of planing..........all history now except the LED flasher..........

    battery
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    ๐Ÿ’ฌ Re: 40" Seaplane Tender, new build. mods and improvements.
    3 months ago by jbkiwi ( Captain)
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    All Good Red, I'm fussy (untidy but fussy) about wiring, especially when LiPos are involved. Only things I've burnt out in the last 10 yrs or so are 1 ducted fan motor in my Vampire and a 50/45 1185w outrunner in my World Models Barbara Jean racer (had it to 101mph-airspeed).
    Was trying a 10 blade fan in the vampire, which was pushing the motor, (result- all the smoke leaked out. The 50/45 had a wiring fault where the wires exit the casing, and shorted, (with a 5s 40c LiPo behind it) result - smoke leaked out and another forced landing. Had a gas prop on it going for speed. Lucky I got videos of each.
    JB

    World Models
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    ๐Ÿ’ฌ Re: 40" Seaplane Tender, new build. mods and improvements.
    3 months ago by jbkiwi ( Captain)
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    Re - I must of mist this earlier, sorry.
    They are designed to have full standing room in the aft section, but it might be the angle making it look short and high. This hull was designed for a jet unit but I braced the transom and fitted a stern drive as mentioned. You can also build them as a partial cabin (aft top section removed and screen about where the back of the lower window ends) and the design also allowed you to lengthen the hull by adding extra frames.
    Hartleys were a very common design in the 60s through 80s , along with Pelins . Still a lot around today, (my 12ft dinghy which I have rebuilt, is a 70s Pelin 'Nomad', which has a very stable 'gull wing' hull.
    JB

    frames
    Nomad
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    ๐Ÿ’ฌ Re: 40" Seaplane Tender, new build. mods and improvements.
    3 months ago by redpmg ( Sub-Lieutenant)
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    Ahah a Vampire no less - have about 6 or 7 hours flight time in a DH Vampire T11 courtesy RRAF . First jolly as a raw recruit - was told by pilot - I'm the Captain and will leave the ship last - but if I say "Eject" and you say "What" you will be talking to yourself........... Love them
    Went up to 49,000ft - wallowing well - then vertical dive . Reading the dymo tape on the dash "Thou shalt not exceed 550 knots" as the ASI crept up to 600 with the canopy shaking like a leaf ....... Pulling out at 20,000 but only leveling out at about 10,000 but was too busy staring at the floor unable to move - don't know how many G - but sure it was in excess of limits.......
    Could not wait to go up again...........
    Have a plan for a ducted fan Vampire - but gave up flying years ago when distracted for a second by a stupid question - the newly built Bipe tried to demolish the wall of the ablution block (the only building on the field). Eyesight also deteriorated afterwards and now after a double cataract op see better than in my youth - but responses are no longer up to scratch........
    As to Lipos - have a couple of hard celled ones like giant AA batteries , one soft cell 7.4v and two small Lifes 6.6V?
    Not used any one of them yet - electrics & myself do not get on - years ago trying to put courtesy lights in my Cortina Mk1 GT was called for lunch - and then promptly asked if the car should be smoking like that ......
    The Cressida was very popular here , the one you have is a great version. Invited especially to the local launch of the Cressida as the company I worked for had a fleet of 600 odd vehicles........
    and I was responsible for the transport division........

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    ๐Ÿ’ฌ Re: 40" Seaplane Tender, new build. mods and improvements.
    2 months ago by jbkiwi ( Captain)
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    We had around 12 Vampires here up to the 70s (speed restricted due to ply starting to delaminate on some) There was an RNZAF aerobatic team as well and it had the worlds? youngest vampire aerobatic pilot, Trevor Bland, (NZ Warbirds founder ) who was from memory only 19yrs old. He flew dozens of different display aircraft at shows, including Spitfires, Mustangs, Vampires , Venoms, Sea Fury etc, (wasn't much he didn't fly)
    The brother of a well Known Maori All Black (1960s) was killed in a Vampire crash at Whenuapai airbase (following another Vampire and had a flameout,) came down and wore the bottom of the cockpit off (and a bit of himself I think) skidding along the runway/
    You were lucky to have had a ride in one, as they were a popular jet with a lot of pilots.
    I'll link another Vampire video I'm sure will impress you in the next comment.
    JB
    RNZAF Vampire Display Team 1964
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    ๐Ÿ’ฌ Re: 40" Seaplane Tender, new build. mods and improvements.
    2 months ago by jbkiwi ( Captain)
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    Here's the other vid link Peter, very impressive flying!! Norwegian pilot, won't see flying like that too often in a warbird! You also might like the You Tube vid (under RNZAF A-4 Skyhawks 'Kiwi Red' Display.) before they mothballed the Sky Hawks.
    JB
    De Havilland 100 Vampire High speed low pass Kjeller Norway
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    ๐Ÿ“ 40" Seaplane Tender, new build. Finished !
    3 months ago by jbkiwi ( Captain)
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    Stand finished (no screws just dowels) Aerial wires made, (bit thick but will re-do them at a later date) Filled the oiler cans and the shaft bearings are a lot quieter now (not perfect but quieter) Now all I need is a nice day and some calm water, - everything's charged, tested and ready to go!)
    Original boat pic added for comparison.
    Thanks everyone for the comments and suggestions, - always handy to have encouragement, different ideas and methods offered, as we can't always think of everything!
    JB
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    ๐Ÿ’ฌ Re: 40" Seaplane Tender, new build. Finished !
    3 months ago by robbob ( Captain)
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    Hi JB.
    I think what you have created is excellent and very true to the boat in your original 'photo.
    Your level of finish and detailing is to admired.
    Congratulations and happy sailing, I hope the weather will favour Jaguar's maiden voyage.
    Rob.

    Hi JB
    boat
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    ๐Ÿ’ฌ Re: 40" Seaplane Tender, new build. Finished !
    3 months ago by Martin555 ( Rear Admiral)
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    Jb,
    You have done a superb job, she really looks like the real boat.
    Excellent lines.
    You are a very talented guy.

    Looking forward to seeing her skimming across the waves.

    Martin555.
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    ๐Ÿ’ฌ Re: 40" Seaplane Tender, new build. Finished !
    3 months ago by jbkiwi ( Captain)
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    Thanks Rob (and Martin), will attempt to get some decent pics and videos on the water. Will take the Maiami 'camera boat' along and see if I can get some 'from the water' vids. Need to invest in a Go Pro as my small video cam is not that good, but at least gives a view from another perspective.
    An FPV setup in the chase boat would be great for this, as it's hard trying to get both boats in position to take a vid while under way using 2 TXs.
    JB

    Go Pro
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    ๐Ÿ’ฌ Re: 40" Seaplane Tender, new build. Finished !
    3 months ago by redpmg ( Sub-Lieutenant)
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    Great work JB. As Martin says - looking forward to the video of the maiden voyage.........
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    ๐Ÿ“ 40" Seaplane Tender, new build Z8 99.5%
    3 months ago by jbkiwi ( Captain)
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    Sorry, just had to! Anchor (working) on deck, spurling pipe in and working, and dinghy repainted the correct colour (don't know why I thought it was orange,- major senior moment!๐Ÿ˜
    This is getting a bit like the Mr Creosote sketch,-"just another little morsel" Still waiting for the stand varnish to set. Weather's looking better!
    JB
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    ๐Ÿ’ฌ Re: 40" Seaplane Tender, new build Z8 99.5%
    3 months ago by MouldBuilder ( Lieutenant)
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    You can`t miss that Dingy. Very bright.๐Ÿ˜Ž
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    ๐Ÿ“ 40" Seaplane Tender, new build Z8 99%
    3 months ago by jbkiwi ( Captain)
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    Sun was out today so took a few outside pics with cover on and off. Thought the foredeck was a bit bare so Knocked up a working Danforth anchor which will go on some chocks, with a bit of rope/chain to a spurling pipe., Can't go to sea without an anchor!
    Launch day might be this week as the weather is getting better. Can't think of anything else it might need, so unless I find something I've missed, the next thing should be a video.๐Ÿ˜Š๐Ÿ˜Š๐Ÿ˜Š
    JB
    PS. Knocked up a stand as well today, just needs staining.
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    ๐Ÿ’ฌ Re: 40" Seaplane Tender, new build Z8 99%
    3 months ago by Martin555 ( Rear Admiral)
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    Jb,
    That looks really nice out in the sun.
    You should be extremely proud of your self.
    Excellent workmanship.

    Martin555.
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    ๐Ÿ’ฌ Re: 40" Seaplane Tender, new build Z8 99%
    3 months ago by redpmg ( Sub-Lieutenant)
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    Whats the dinghy held down by on the real boat JB? Looks insecure as it is - so much detail you are adding - lucky its a low superstructure. Looking very good - time to sail before you think of anything else.............
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    ๐Ÿ’ฌ Re: 40" Seaplane Tender, new build Z8 99%
    3 months ago by jbkiwi ( Captain)
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    Hi Red, can't really tell from the old Super 8 movie grabs my friend did, but in one, it looks like they just had 1 rope tied over the dinghy to the grab rails. Probably held in place by chocks as well. Think the dinghy was glass so would be quite heavy. Thanks for making me check the pics as I found I'd suffered a senior moment and painted the dinghy the wrong colour,๐Ÿ˜  (should have been yellow)๐Ÿ˜ฎ have no Idea why I did that.
    No worries, back to the paint shop today ๐Ÿ˜ด. Can't do much at the moment anyhow due to the weather, (raining on and off and too windy) and stand varnish is slow to dry. Nothing major though. Just made and painted the spurling pipe and hooked some chain to the anchor ( will be able to feed chain down through pipe and pull it out to anchor the boat) and stained and waxed some jute string (candle wax and shoe polish melted in a tin on stove) for a deck coil. Glad I'm almost finished as I have a heap of work to do to the house over spring/summer, (paint roof, re clad an external wall etc)
    JB

    rope
    shoe polish
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    ๐Ÿ’ฌ Re: 40" Seaplane Tender, new build Z8 99%
    3 months ago by mturpin013 ( Lieutenant Commander)
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    Really good looking boat, a credit to you

    boat
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    ๐Ÿ“ 40" Seaplane Tender, new build Z 7.1
    3 months ago by jbkiwi ( Captain)
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    Couldn't resist the urge, had to put the bungee cords on, just didn't look right without them!. Found some thin elastic at the local $2 Chinese store which is about as close as i'll get. Cover is now properly tied down, but unfortunately one of the eyes pulled out, (I poked the hole too near the edge, -duh).
    Aft portholes glazed (need cyno bloom cleaning off), boot topping's done (used SIG 1/8" 'Super Stripe) then promptly stuffed up the 'antifouling' on port side by trying to spray Helmar Crystal Clear on lightly to seal the edge, (forgot 'A-F' is enamel- duh again, had one of those crap days when everything turned to excrement! (re-do 'antifouling' above lower chine rail!!**%#^$# )
    Had to rest what was left of the brain so went out and mowed my soggy lawn (now the neighbors are doing theirs),-"lead by example" I say.
    Will finish bungey cord on back and Stbd side and I think she's about ready for a nice day at the pond, (I can't trust what I think though, I've proved myself wrong on many occasions!) I'll probably Take the MTB as supervising VOD in case of mechanical misadventure).
    JB

    Helmar Crystal Clear
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    ๐Ÿ’ฌ Re: 40" Seaplane Tender, new build Z 7.1
    3 months ago by RNinMunich ( Fleet Admiral)
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    SHoneT happens JB๐Ÿ˜ญ
    We've all bin there dun that one time or another!
    Re Cyno bloom-
    I use Deluxe Materials Canopy Glue for my windows.
    Dries crystal clear, no bloom๐Ÿ˜Š
    Cheers, Doug ๐Ÿ˜Ž

    Deluxe Materials Canopy Glue
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    ๐Ÿ’ฌ Re: 40" Seaplane Tender, new build Z 7.1
    3 months ago by Martin555 ( Rear Admiral)
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    That really looks the the part.
    I had the feeling that you would do that especially after the cleats bugged you so much.

    Martin555.

    cleats
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    ๐Ÿ’ฌ Re: 40" Seaplane Tender, new build Z 7.1
    3 months ago by jbkiwi ( Captain)
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    Quite true Martin, Quite true!
    JB
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    ๐Ÿ’ฌ Re: 40" Seaplane Tender, new build Z 7.1
    3 months ago by jbkiwi ( Captain)
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    Re - SHoneT happens JB๐Ÿ˜ญ
    Probably do that next time Doug, had this stuff already so didn't want it to go to waste. Not really happy with the windows in general, (wobbly painting hand) and just to P me off, I found a big rack of fine ABS strips (all shapes, textures and sizes) at the big LHS which would have been good for framing the square windows.
    Unless you have a printer to turn out some scale surrounds it's just the good old brush, unless there's a better way.? Just thought of something re decal paper,- use the white paper, do a dark background, draw light frame outlines, print and cut out, (why didn't I think of that before I did it, I have a heap of white to use!) might give it a try. "Oh the pain, the pain' !!
    JB

    printer
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    ๐Ÿ’ฌ Re: 40" Seaplane Tender, new build Z 7.1
    3 months ago by redpmg ( Sub-Lieutenant)
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    Good One JB - another source would have been the little elastic hair bands used by better halves to tie hair up - especially on little ones. Come in all sorts of colours and together with necklace clips make good scaleish bungee cords which work.......
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    ๐Ÿ’ฌ Re: 40" Seaplane Tender, new build Z 7.1
    3 months ago by jbkiwi ( Captain)
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    Thanks Red, I managed to get a card with about 10ft ea of black, brown, grey and white for $2. I needed a continuous piece to thread round the cover without knots (although did get one knot as I changed my mind on where to finish the cord) This elastic is thinner than those bands (1mm) and the modified 1/2 fairleads only have about a .75mm 'hook' so the cord had to be small.
    I wish I'd found this thin stuff earlier for other models, (aerials, lifelines etc- don't break if you snag them) Might be able to change those now. Also found some hemp/sisal string which will make good ropes when waxed, (got a ball of it for $2 again. This shop also sells my favourite cheap cyno - Shenqiang brand, in a plastic bottle, (again $2 - hobby shop same qty 6-$8.) I pour it in everywhere, hardening balsa, toughening threads in balsa or hard wood (tap hole, pour in cyno, let dry, re-tap - nice tough thread. Great stuff!
    JB

    models
    bottle
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