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    jbkiwi
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    Member No.#5175
    RegisteredπŸ“…17th Sep 2018
    Last OnlineπŸ“…29th Feb 2024
    CityπŸ“Auckland 0932
    CountryπŸ‡³πŸ‡ΏNew Zealand
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    PostsπŸ’¬3635
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    Recent Posts
    πŸ“ Aucklands' classic wooden boat festival ,1,2,3 March
    5 days ago by πŸ‡³πŸ‡Ώ jbkiwi ( Fleet Admiral)
    ✧ 56 Views · 8 Likes · 2 Comments
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    Was invited to take my restored 1970s 12ft racing yacht (red and white one-93 at 1:3) down to put in the display this afternoon, at the Viaduct Event Center In Auckland, and decided to get some pics of the boats on and off water before the crowds come over the next 3 days. Lots of beautiful restored yachts and launches, as well as smaller racing and sailing dinghies. A couple of NZ designed and built Chris Craft copies inside as well. Also steam launches and a few models.

    The boat at 1:54 and 3:12 does not have the usual V8 as you would expect, but has a 4 cyl Mercruiser motor, not as the drive motor, but as a generator running 3 high output alternators powering an electrical system for twin electric motors, (round black objects seen in pic, in front of petrol motor). Shafts run each side of petrol motor, Has large control boards on each side for each motor. Boat and laminated wooden trailer designed and built by the owner, Took 2000hrs to build,- absolutely immaculate workmanship.
    Also a short vid on an Auckland ferry trip I took while waiting for the liner Queen Victoria to
    depart
    JB



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    πŸ“ Modified Stiletto project
    12 days ago by πŸ‡³πŸ‡Ώ jbkiwi ( Fleet Admiral)
    ✧ 27 Views · 6 Likes
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    Inwales and other framing for deck support done, as well as front compartment floor supports. Floor would not fit through the bulkhead so was made foldable so it can be removed if necessary.

    JB

    πŸ“ Modified Stiletto project
    18 days ago by πŸ‡³πŸ‡Ώ jbkiwi ( Fleet Admiral)
    ✧ 34 Views · 9 Likes
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    Deck cutouts done and cabin roof side overhangs sanded off (didn't like them,- something to break). Holes at bottom of front screen filled in as well. Inwales etc to be done yet in the hull for the deck supports.

    JB

    πŸ“ Land yacht,- more mods
    18 days ago by πŸ‡³πŸ‡Ώ jbkiwi ( Fleet Admiral)
    ✧ 17 Views · 6 Likes
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    Latest vid (edited down from around 12 short vids) of sailing at the bus park . Winds about 20knts in gusts, but a few good runs. About 1 hrs' constant sailing on this outing. Looking at making a new sail when I have the time, to see If I can get better performance.



    πŸ“ Land yacht,- more mods
    23 days ago by πŸ‡³πŸ‡Ώ jbkiwi ( Fleet Admiral)
    ✧ 26 Views · 8 Likes
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    Still making small improvements in the quest for speed. Having a good strong steady wind is still the main problem, as the carparks don't get a clean wind. Had about 18 knots a few days back, and managed to get a short run of 28kph (GPS) which beat the previous best of 21kph. May need a taller narrower sail or the mast moving forward a bit, to get the center of effort forward, as it drifts in a straight line in a high wind.

    Tried the larger wheels, but they seemed to need a much stronger wind to operate with them. They may need bearings adapted to them to make them run more accurately. Gone back to the smaller wheels. Also changed the mainsheet to the end of the boom for less load on the servo. Sail doesn't go out as far for downwind, but it doesn't seem to matter.

    Vids of short 28kph speed run (first run back) and drift/crash in big gust, (kerb got in the way)


    πŸ“ Modified Stiletto project
    24 days ago by πŸ‡³πŸ‡Ώ jbkiwi ( Fleet Admiral)
    ✧ 41 Views · 13 Likes · 2 Comments
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    A bit more progress with the modified cabin being started, and deck ply cut out. Cabin is a bit different to the original, further forward and an inch longer, with larger sharper windows to modernize it a bit. Still more to go on it yet. I usually start with the basic plan for a model, then 'freestyle' it after that and make it my own version.

    JB

    πŸ“ Modified Stiletto project
    1 month ago by πŸ‡³πŸ‡Ώ jbkiwi ( Fleet Admiral)
    ✧ 50 Views · 13 Likes · 3 Comments
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    Been a while (seems like yesterday) hope everyone's been well, but had important work to catch up on (house, health, cars etc) which delayed progress. Finally got the urge to throw the top side sheets on, (too hot to work outside at the moment) using my jig as a platform to keep everything level. When I get a bit more time, I'll be able to glass the hull, and/or start fitting the motor/cable drive etc.

    JB

    πŸ’¬ Re: Typhoon maiden voyage
    3 months ago by πŸ‡³πŸ‡Ώ jbkiwi ( Fleet Admiral)
    ✧ 76 Views · 4 Likes
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    Runs really nicely Dave , you'll be happy with that. Didn't realize you had fitted a horn from an EMD loco πŸ˜‚πŸ‘πŸ‘πŸ‘.

    JB

    πŸ’¬ Re: Typhoon Finished!!!
    3 months ago by πŸ‡³πŸ‡Ώ jbkiwi ( Fleet Admiral)
    ✧ 88 Views · 1 Like
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    Superb job all round Dave, can't wait to see the video. BTW, how did you get on with the tow car for the SK ?

    JB

    πŸ’¬ Re: Typhoon final clear
    4 months ago by πŸ‡³πŸ‡Ώ jbkiwi ( Fleet Admiral)
    ✧ 136 Views · 2 Likes
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    Superb job Dave, couldn't be better. You're going to have to make a padded case to go with it now to avoid any 'wharf rash' 😊

    JB

    πŸ“ A blast from the past.
    4 months ago by πŸ‡³πŸ‡Ώ jbkiwi ( Fleet Admiral)
    ✧ 36 Views · 7 Likes
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    πŸ“ Reply
    Hi Bill, here's another one I found (a twist of sand 1968) which has a modified 'Hants and Dorset' crash boat plus a couple of std Med scheme boats. If the engine room on the main boat is anything to go by, it looks to have a couple of Hall Scott V12 Defenders (or Packards) and the std boats probably have the triple Napier Sea Lions. Not the best of movies but good for the boats. Engine sounds alone are worth it.

    Also the PT boat movie 'They were expendable' which is probably the best PT boat movie for boat action views (better than PT109 I think) clip from it (hard to find the full movie on YT, but I have the VHS tape, as well as PT109)

    There is another movie (MTB, also named Hell Boats) about a rescue unit with 'Hants and Dorset' boats operating in Malta which I had on Beta, but I don't have a Beta player any more. It was supposed to be about an MTB unit, but the boats were the wrong type! Starred James Franciscus -a bit 3rd rate, but a few good boat scenes. Just found it on YT under the Hell Boats title.


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    πŸ’¬ Re: RAF Launch Part4.Twin Shaft/Rudder build.
    4 months ago by πŸ‡³πŸ‡Ώ jbkiwi ( Fleet Admiral)
    ✧ 107 Views · 4 Likes
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    Good bit of work going into that Bill, looking good πŸ‘ Getting rid of the paint is the hardest part, - can't exactly use a belt sander like you would on a 100% boat. Even worse with a balsa hull.

    JB

    πŸ“ Land yacht,- more mods
    4 months ago by πŸ‡³πŸ‡Ώ jbkiwi ( Fleet Admiral)
    ✧ 42 Views · 9 Likes · 1 Comment
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    Axle's done, wheels painted and fitted and ready for the car park this weekend (if it doesn't rain) or the beach if there's any sand left. Added some Dynema braces for the axles as well to prevent bending by hitting a rock /hole/ kerb etc

    Also a pic of the beach after the latest storm. All the money the council spent dragging sand back up the beach with scrapers has once again been wasted. The new rope and pole planting was another waste of money, as the front row of poles is now hanging down to the beach (washed out after I took this pic).
    The council refuses to put rocks on this stretch, despite it being washed out every year, (with them spending $100k + /yr on re-establishment) and all local residents demanding they do. Morons ! - and people wonder why the rates are so high ! The rocks on the right hand end stop most damage as can be seen, fairly obvious solution you would think.

    Wind was a steady 44kph when I took the pics, had been up to 130kph in some areas in Auckland. Unfortunately too much rain and salt spray to try the yacht,- might have been interesting !

    JB

    πŸ“ Land yacht,- more mods
    4 months ago by πŸ‡³πŸ‡Ώ jbkiwi ( Fleet Admiral)
    ✧ 51 Views · 12 Likes · 1 Comment
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    Owing to the amount of camber on the rear wheels which reduced the ground clearance, causing it to get get hung up on certain objects, I thought I might try some larger wheels to increase the ground clearance to round where it was previously. After adding the camber, the yacht would no longer run on the playing field grass, but was a lot better on the seal.

    It ran quite well on the beach, but the rear wheels were a bit too thin, and tended to sink into the sand, creating drag and preventing it tacking well, and needing to be gybed on the turns most times. I spotted some larger wheels in the big local hardware store (130x20 as against the 100x12s on it at present) which looked like they might be worth a try, so bought the last 2 there.

    Spent a few hours this evening making up some new stub axles for them, and just need to fit them to the axle tube (or cut a new one,- probably easier) and through drill them for a keeper bolt. The wheels are a bit heavier than the 100mm ones, so will add a bit more ' un-sprung' weight, which will act like ballast and improve stability. Hopefully they will work better on grass and sand compared to the 100mm

    The centers in the 130mm wheels are maybe big enough to bore and fit a couple of small bearings, which would make the wheels run smoother and more accurately. Will wait to see how these perform first before I worry about that.

    JB

    πŸ’¬ Re: Typhoon finish sanding
    4 months ago by πŸ‡³πŸ‡Ώ jbkiwi ( Fleet Admiral)
    ✧ 123 Views · 1 Like
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    Excellent work on the planking Dave, looks superb,

    JB

    πŸ’¬ Re: Land yacht
    4 months ago by πŸ‡³πŸ‡Ώ jbkiwi ( Fleet Admiral)
    ✧ 61 Views · 2 Likes
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    Certainly a lot of fun Phil,- looking at some larger wheels for the 'stern' same type just larger. With the camber now, it handles better, but it's a lot lower, and it catches on things, and won't run on the sports field grass.

    JB

    πŸ’¬ Re: Land yacht
    4 months ago by πŸ‡³πŸ‡Ώ jbkiwi ( Fleet Admiral)
    ✧ 61 Views · 2 Likes
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    Hi FB, handy that it's a no exit dead end loop in the carpark, as nobody seems to use it in the weekends/holidays. During the week the whole park is chocka with cars outside it everywhere as well, so it's great being able to use it. Only thing is, it's on a 10 deg slope which sort of kills the run one way unless there is decent wind.

    The 3-4ft median plantings disturb the wind as you can see by the sail thrashing round in all directions, but beggars can't be choosers. Might have a look at the even bigger park and ride carpark about 15km away, to see if it's as empty in the weekends.

    JB

    πŸ’¬ Re: Land yacht
    4 months ago by πŸ‡³πŸ‡Ώ jbkiwi ( Fleet Admiral)
    ✧ 75 Views · 6 Likes
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    Hi Trev, good part about it, is I don't have to drive for miles to a pond. I have almost given up on trying to run my boats at the local one (12km away), as I can drive all the way out there, only to find the local yacht club racing (all boring $$$$ one class boats) and not really wanting you there. Used to be only afternoons 4 days a week, now they are monopolizing it most days.

    Seems to be mostly people who can afford $1000 + yachts which most kids who might want to sail can't afford. There are no open classes for beginners, but even in the smaller one design classes, adults would just outspend kids and put them off trying. Most of the guys racing are over 30/retired etc, carpark full of SUVs BMWs etc etc, and we wonder why kids aren't interested when they see that. Used to be a family hobby.

    JB

    πŸ“ Land yacht
    4 months ago by πŸ‡³πŸ‡Ώ jbkiwi ( Fleet Admiral)
    ✧ 75 Views · 13 Likes · 7 Comments
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    A bit more fun at the carpark with a bit of 'cross country'. Still no decent wind for another beach run, but at least it's getting some use.

    JB



    πŸ’¬ Re: Typhoon planking
    4 months ago by πŸ‡³πŸ‡Ώ jbkiwi ( Fleet Admiral)
    ✧ 134 Views · 3 Likes
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    Coming along really well Dave,πŸ‘going to look terrific when finished.
    JB

    πŸ“ Battery load testing
    5 months ago by πŸ‡³πŸ‡Ώ jbkiwi ( Fleet Admiral)
    ✧ 64 Views · 7 Likes
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    πŸ“ Reply
    A short video of load testing some new 3300mah LiPos (35C and 60C) to make sure the props are not overloading the batteries, ESCs or motors. In this case, the amps are only at 50% of the max capability static, which means in the air they will be less (unloaded). With boats, testing should be done in the water, (static) as there is no load to speak of with a boat prop in air (unlike a plane) When the boat is running free, it will unload. If you set the amps to say 80% of max static, it will give a good safety margin. A meter like the one shown, is a must for boats using Lithium batteries.

    These testers will help you avoid smoke leaks from your batteries, wiring and ESCs. I've used these testers for 13yrs, and never had a problem with LiPo powered planes or boats.

    JB



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    πŸ“ Brushed Speed Controller.
    5 months ago by πŸ‡³πŸ‡Ώ jbkiwi ( Fleet Admiral)
    ✧ 44 Views · 1 Like
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    DG, This was the ESC I was thinking of, should do the trick. There is not much choice in aircraft type brushed ESCs these days, as brushless tech has taken over, so you have to try what you can still get. There was also the same one on Hobby King with their branding,- now out of stock.

    JB

    πŸ“ Brushed Speed Controller.
    5 months ago by πŸ‡³πŸ‡Ώ jbkiwi ( Fleet Admiral)
    ✧ 58 Views · 1 Like
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    Hobbywing make 20A and 30A brushed aircraft ESCs, look on Ebay.

    JB

    πŸ’¬ Re: Typhoon Blunder
    6 months ago by πŸ‡³πŸ‡Ώ jbkiwi ( Fleet Admiral)
    ✧ 120 Views · 5 Likes
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    Hi Dave, probably depended on which rotation direction the final drive was. Drivers usually sit on the side opposite the torque roll tendency (outboard- usually sit on the RH side) more so in smaller boats. Doesn't matter in larger boats so much,- could be the customers preference also,- or which side of the road you drive on (to match your car😁) Here's a vid showing boats with steering on either side, including Chris Craft.

    JB



    πŸ“ Revamping Old Propshafts and Rudder.
    6 months ago by πŸ‡³πŸ‡Ώ jbkiwi ( Fleet Admiral)
    ✧ 33 Views · 1 Like
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    Makes all the difference Bill, certainly adds to the scale look as well as being stronger.

    JB

    πŸ’¬ Re: Typhoon
    6 months ago by πŸ‡³πŸ‡Ώ jbkiwi ( Fleet Admiral)
    ✧ 123 Views · 2 Likes
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    Looking forward to seeing this one built Dave, I'm sure you'll do a great job of it . FYI the kit sells for around NZ $1100+ here !

    JB

    πŸ’¬ Re: Ship of the desert new project (land yacht) more mods
    6 months ago by πŸ‡³πŸ‡Ώ jbkiwi ( Fleet Admiral)
    ✧ 84 Views · 2 Likes
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    One of the things I'd like to try is a wing sail, but they need to be a bit techo to work properly. I've seen a UK built all metal full sized land yacht with a wing sail, with an adjustable leech section, which has obtained some pretty impressive speeds. A bit hard to do the same in miniature though. Something to look at later.

    I did attempt to make a wing sail for a 26" free running catamaran around 1968(before I bought my first TX) but it wasn't that successful, as it had a symmetrical aerofoil.

    JB

    πŸ“ Ship of the desert new project (land yacht) more mods
    6 months ago by πŸ‡³πŸ‡Ώ jbkiwi ( Fleet Admiral)
    ✧ 90 Views · 11 Likes · 6 Comments
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    Made a new slightly longer (80mm) rear axle which has the wheels cambered, and very slight toe-in. Works quite well and is a lot more stable on tacks and gybes,- doesn't fall over as much now, just drifts instead. Good wind but the tide was in, so the bus station it was. Wind was the wrong direction there, but did the job for the test..

    JB



    πŸ’¬ Re: Ship of the desert new project (sand yacht)
    6 months ago by πŸ‡³πŸ‡Ώ jbkiwi ( Fleet Admiral)
    ✧ 99 Views · 2 Likes
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    Thanks for the kind comments guys, it was great to finally get on the beach and give it a go. I'm surprised that the 'temporary' art card sail is still hanging in there after all the thrashing it's had. Eventually I'm going to use the rip-stop nylon to make a proper battened sail, which should have a better shape and be a lot lighter as well.

    I'll use this sail till it dies as it seems to work pretty well, (will tack and point much better on tarmac) but I don't think a nylon sail would be much better on the sand, which just too sticky and soft at the moment, The spring has sprung so summer's on the way! (also keeping my eye out for a huge concrete area.)

    JB

    πŸ“ Ship of the desert new project (sand yacht)
    6 months ago by πŸ‡³πŸ‡Ώ jbkiwi ( Fleet Admiral)
    ✧ 107 Views · 17 Likes · 9 Comments
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    Finally! some good wind from the right direction to try the yacht out on the beach, Sand is very sticky still and a bit soft, (last cyclone ruined the sand with tons of silt from subdivisions up the estuary) so the speed and tacking wasn't great and pointing was non existent. Ran it constantly for around 40 mins and covered 3.48km at a max recorded speed (not constant) of 21kph (would have been far faster on asphalt) The distance is further than you can see in the vid, from the cliffs at the southern end to the hill at the northern end so it did quite well.

    Fell over a number of times due to the sand stopping the turns, but I got a lot of exercise walking up and down the beach, righting it😁 The mini keychain camera worked well and ran for around 50 mins before I unplugged it. It has been modified with a Nokia phone battery on a lead for longer video time, (original tiny built in batteries only gave around 30 mins max when new, and this one had died after about 12 yrs of using the cameras in boats and planes. Picture is not brilliant but does the job.

    Mainsheet block has now been modified to stop the sheet riding off the pulley, (a handy thing with vids showing problems you may not otherwise see.) The beach should be better in summer as it dries out quicker and is harder when the tide's out. The yacht got slower towards the end, and wouldn't tack, so had to be gybed to turn round every time, as the tide was coming in and the sand was softening, plus it was getting cold.

    Lots of fun all the same but the quest for more speed goes on.

    JB





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