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    Robbe (Krick) Dolly fireboat build
    by Cashrc ๐Ÿ‡บ๐Ÿ‡ธ ( Sub-Lieutenant)
    ๐Ÿ“ฃ










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    6 Posts 48 Comments 0 Photos 33 Likes
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    ๐Ÿ“ Maiden!!
    1 month ago by Cashrc ( Sub-Lieutenant)
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    Hi everybody. Well, I maidened the Dolly today, as expected she was a bit overpowered with the old AYK 540 sized motor. However, even at wide open throttle she was stable and did not show any tendency to torque over or get unstable. Only problem is that the pump failed on the second run. No noise, anything, just dead. Now, the pump acted up on the bench, Iโ€™m thinking I ran it too many times dry while testing, however, the pump on my Neptun never gave me any trouble, and this is the same type of pump. No problem, Iโ€™ll either fix it or replace it. You know what the say, anything can be fixed with a lot of time and a little money, or vice versa๐Ÿคฃ
    Overall Iโ€™m pleased with her. The old AYK ran well, and cool, and all the other systems functioned as expected. Little more fiddling and sheโ€™ll be fine.
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    ๐Ÿ’ฌ Re: Maiden!!
    1 month ago by redpmg ( Lieutenant Commander)
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    Hi Cash ,
    Looks good - always great to have something running well straight after a build .
    As regards the water pump - used a windscreen washer pump found in a scrapyard for a tug built for someone else - some modern types are integral to the washer bottle but some are separate items. Fully cased 385 motor - ran OK on 7.2 v - impeller type - probably not the same pressure as 12v - but good enough. Cost about 50p/$1 at the time . Worth trying your local scrapyard - lot cheaper than via internet or model shop..........
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    ๐Ÿ’ฌ Re: Maiden!!
    1 month ago by Martin555 ( Vice Admiral)
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    Nice to see her on the water Cash,
    Well done.

    Martin555.
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    ๐Ÿ’ฌ Re: Maiden!!
    1 month ago by marky ( Commander)
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    Hi Cash ,
    She's looking really good,wot no Gail force winds ,rain ,sleet and snow ๐ŸŒจ,at least someones had a nice weekend you lucky,lucky man.
    Cheers Marky
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    ๐Ÿ’ฌ Re: Maiden!!
    1 month ago by mturpin013 ( Commander)
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    Hi Cash the pump is the exact one I have just had problems with. Mine kept going dead I dismantled it on two occasions but nothing to be seen. I opted to buy another make, A Graupner Water Pump 6V which is much better engineered.
    https://www.cornwallmodelboats.co.uk/cgi-bin/ss000001.pl?page=search&SS=pumps+&PR=-1&TB=O&ACTION=Go%21
    ๐Ÿ”—
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    ๐Ÿ’ฌ Re: Maiden!!
    1 month ago by figtree7nts ( Vice Admiral)
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    Hi Cash,

    I'm glad to see your Maiden Voyage went well!
    She looks great on the water!

    Cheers, Ed
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    ๐Ÿ’ฌ Re: Maiden!!
    30 days ago by MouldBuilder ( Lieutenant Commander)
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    Nice one Cash. Looks good.๐Ÿ‘
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    ๐Ÿ“ Almost ready
    2 months ago by Cashrc ( Sub-Lieutenant)
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    Hi all. Well, sheโ€™s 99 percent done. Need to add Velcro for the battery mount, and a couple of odds and ends, but sheโ€™s ready to maiden. I did a little lettering, TLFD near the bow ( Towne Lake Fire Department) and I named her after my Uncle, Wayne Jenkins, who passed away in 2019. He was the Volunteer Fire Chief when I was very young, so I named her โ€œChief Jenkinsโ€ I called my aunt to make sure she wouldnโ€™t mind, she got a little sniffly and so did I๐Ÿ˜Š. I did the railings using brass stanchions instead of the die cut abs ones provided in the kit, as I wanted to use the natural brass finish vs paint..to that end, I assembled the railings with ca instead of solder.
    I applied the lettering using sticky backed adhesive letters, spaces them out on wax paper then used masking tape to transfer the completed โ€œdecalโ€ to the hull.
    Anyway, there she is, hopefully sheโ€™ll maiden this Sunday.
    Cash
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    ๐Ÿ’ฌ Re: Almost ready
    1 month ago by RNinMunich ( Fleet Admiral)
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    Way to go Cash๐Ÿ‘๐Ÿ‘๐Ÿ‘
    Very nice touch with the naming.
    How about 'FIRE' in nice BIG letters on the hull and foredeck?
    Look forward to the Maiden vid.
    (No! Not HER! The boat๐Ÿ˜‰)
    Cheers, Doug ๐Ÿ˜Ž
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    ๐Ÿ’ฌ Re: Almost ready
    1 month ago by marky ( Commander)
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    Good luck with the maiden voyage at the weekend, hope the weather is better than it is here.
    Cheers Marky๐Ÿ‘
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    ๐Ÿ’ฌ Re: Almost ready
    1 month ago by Martin555 ( Vice Admiral)
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    Very nice Cash,
    You have done a marvels job on her.
    Well done.
    One question though, Have you varnished the brass railings to stop corrosion ?

    Martin555.
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    ๐Ÿ’ฌ Re: Almost ready
    1 month ago by figtree7nts ( Vice Admiral)
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    Hi Cash,

    Another great looking project!๐Ÿ‘
    You did a fantastic job on her!
    I can't wait to see her Maiden Voyage Video!

    Ed
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    ๐Ÿ’ฌ Re: Almost ready
    1 month ago by mturpin013 ( Commander)
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    Nicely done Cash, look forward to the maiden voyage
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    ๐Ÿ’ฌ Re: Almost ready
    1 month ago by MouldBuilder ( Lieutenant Commander)
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    Really nice looking boat Cash. Built in 6 weeks? I need lessons.๐Ÿ˜Š
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    ๐Ÿ“ Minor setback, or !!@$$??!!
    2 months ago by Cashrc ( Sub-Lieutenant)
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    Hi yโ€™all. On further testing of the fire monitor I noticed it was leaking at the fitting near the hinge of the monitor body. Problem is that fitting is very short, and the tube in the kit is thinwall silicone, great for flexibility doesnโ€™t hold onto plastic that well. What I did was install a short piece of tight fitting brass tubing into that fitting, it extends outward about 3/16th of an inch, and replaced the stock hose with medium fuel line. I also ran a 4mm brass tube down the shaft instead of using a long piece of silicone. Ran the pump, no leaks, good pressure, but the up and down movement was a little off, probably due to the slightly stiffer tube. I decided to grab my oiler and lube the upper brass tube, shaft and spring. However.....I grabbed my ca instead. Locked it up tightly.
    At this point, I made the decision to go ahead and glue up the pivot points and make the nozzle fixed at about 35 degrees up. I want to enjoy the boat, not let it become a source of frustration. My wife thought that was a very mature decision...๐Ÿ˜‰ Anyway, all is not lost. I can always purchase another monitor, build it up and replace this one when/if I feel the need to have a moveable unit. Anyway, sheโ€™s coming along, Iโ€™ll have more done in a few days post pics then.
    Cash
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    ๐Ÿ’ฌ Re: Minor setback, or !!@$$??!!
    2 months ago by Martin555 ( Vice Admiral)
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    Hi Cash,
    That is not good news.
    It's a good job you did not get the CA mixed up with the oil for the prop shafts!!!

    Martin555.
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    ๐Ÿ’ฌ Re: Minor setback, or !!@$$??!!
    2 months ago by RNinMunich ( Fleet Admiral)
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    The 'best laid plans ....' Cash๐Ÿค”
    But at least you found a Workaround๐Ÿ‘
    I assume that the monitor can still rotate at least.
    Cheers, Doug ๐Ÿ˜Ž
    BTW: You might try hot water. Some CA will dissolve and let go.
    Discovered that accidentally ๐Ÿ™„
    Don't melt the monitor though๐Ÿ˜ญ
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    ๐Ÿ’ฌ Re: Minor setback, or !!@$$??!!
    2 months ago by Cashrc ( Sub-Lieutenant)
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    You know, thatโ€™s whatโ€™s funny. Thereโ€™s nothing in the instructions nor any parts for horizontal movement, just vertical. So, for the moment at least, Iโ€™ll have to aim using the rudder. Kind of like a Boulton Paul Defiant with the gun hydraulics shot away...
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    ๐Ÿ’ฌ Re: Minor setback, or !!@$$??!!
    2 months ago by Martin555 ( Vice Admiral)
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    Cash,
    Is it possible to modify it ?
    Or is it to late ?
    Martin555.
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    ๐Ÿ’ฌ Re: Minor setback, or !!@$$??!!
    2 months ago by RNinMunich ( Fleet Admiral)
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    Damn silly arrangement with only aft firing guns anyway!
    ๐Ÿ˜Ž
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    ๐Ÿ’ฌ Re: Minor setback, or !!@$$??!!
    2 months ago by Cashrc ( Sub-Lieutenant)
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    No Martin. To be rather dramatic, โ€œthe die is castโ€ or the superglue is applied, same thing.
    Iโ€™m okay with it, Iโ€™ll buy another one down the line, get it installed and movable, and keep this one for another project. Look at it this way. In the DFW area, itโ€™s more expensive for my family to go out to eat at a chain restaurant than to buy 2 of these monitors. And, now that I know what to do and NOT do, I can set the new one up to work better.
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    ๐Ÿ’ฌ Re: Minor setback, or !!@$$??!!
    2 months ago by Cashrc ( Sub-Lieutenant)
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    Worked well as a night fighter though...
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    ๐Ÿ’ฌ Re: Minor setback, or !!@$$??!!
    2 months ago by RNinMunich ( Fleet Admiral)
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    But not for long Cash.
    Only until the Luftwaffe pilots twigged that it's sting was in the tail, so to speak.
    The turret and second crew member made it a bit slow and lethargic to manoeuvre too.
    It was relegated to training, target towing, ECM and ASR duties.
    Replaced by Beaufighters and Mossies.
    ๐Ÿ˜Ž
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    ๐Ÿ’ฌ Re: Minor setback, or !!@$$??!!
    2 months ago by Cashrc ( Sub-Lieutenant)
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    I like Mosquitos, beautiful, fast machines.
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    ๐Ÿ’ฌ Re: Minor setback, or !!@$$??!!
    1 month ago by RNinMunich ( Fleet Admiral)
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    Me too Cash.
    They were also my Dad's 2nd favourite machine to work on and fly, after the Spit of course!
    I have a ginormous 1/24 kit of the Mossie, no idea yet where I'll put her when built!๐Ÿ˜ฎ
    She'll be motorised and have lights and sound - but much too heavy to fly ๐Ÿ˜‰
    Cheers, Doug ๐Ÿ˜Ž
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    ๐Ÿ’ฌ Re: Minor setback, or !!@$$??!!
    1 month ago by redpmg ( Lieutenant Commander)
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    Fellow TF member of RRAF's Dad helped build the Mossies as a youngster - worked in the wood laminating section - always proud to show off the Mossie hanging in the Johannesburg War Museum when he visited there from Rhodesia. Called it my Mossie................
    Grandson was very interested to hear as he visited the museum shortly afterwards.............. Found the Mossie fascinating

    Salisbury (Rhod) rock band leader Nic Picard's father was a Squadron leader on Mossies - believe he was lost whilst attacking German gun positions in Holland - successfully led the prison escape raid (destroying the external walls) shortly before that. Pathfinder for many raids over industrial Germany.
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    ๐Ÿ’ฌ Re: Minor setback, or !!@$$??!!
    1 month ago by redpmg ( Lieutenant Commander)
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    Cash - very sorry to hear of the mix up - you have had a string of bad luck lately !
    Does happen to us all from time to time - especially as age creeps on - - glad you are being pragmatic about it .
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    ๐Ÿ’ฌ Re: Minor setback, or !!@$$??!!
    1 month ago by redpmg ( Lieutenant Commander)
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    Doug , was lucky enough to actually sit in a Spitfire (Mk22) - and watch the engine being test run - overwhelming sound from close up but what a beautiful song whilst in flight . Mossie obviously double that but never fortunate enough to hear one..........
    Sadly the Spit was destroyed after flying into to Cu. Nimb. along with the pilot a veteran of sanctions busting for us and flying relief to the Ebo's during the Nigerian Civil War - which Frederick Forsythe wrote a book about............
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    ๐Ÿ“ Almost a fireboat!
    2 months ago by Cashrc ( Sub-Lieutenant)
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    Howdy all. Had a little time this week, and most of Friday night and today to myself, so I set about trying to get the Dolly finalized, at least as far as the electrics go. I built up the cabin roof with the nav lights, light bar and searchlight. I realized that the light bar would block the searchlight, so I made a mount of cf tube and installed a smaller unit and painted to match. The top of the cabin has troughs to help guide the lighting wire aft and allow the roof to sit flat for gluing. I terminated all wiring at the aft port side of the cabin, all wiring is wrapped in a clear shrink tube that is installed at the aft port c-pillar. I made a hole in the deck for the wiring to pass thru below. Once I have all my installations finalized, Iโ€™ll build an โ€œelectrical boxโ€ for the upper deck wiring to be hidden in. The shrink tubing will be painted white to match the interior. Admittedly, this would have been a lot easier had I installed the lights before gluing on the cabin!
    Iโ€™ve installed the rudder servo, pump, and speed control. Im using an old Castle Creations Pixie20 esc to operate the pump in lieu of a switch and relay. Small size, easy hook up, just make sure the power side of the rx connector is removed to disable the escโ€™s bec. I have the pump operated by one of the rotary switches on my transmitter, which gives me water flow control vs simply full pressure and off. The motor is handled by and older Polks Hobbies ESC, simple hookup and smooth, smooth, smooth!! Nice unit. The light bar is powered by the receiver, easy install there, and the rest of the lights are being controlled by a Graupner SXM electronic multi function switch.
    Now, I wanted to try to keep the inside somewhat tidy, although it doesnโ€™t look it now. To that end I built a bus using what connectors I needed and some 2.5 mm wire. This way I have a central place to plug in anything that runs off the main battery. Works as advertised, Iโ€™m happy with it being its my first try at such a thing. So, I need to finish installig the receiver and wiring for that, once I have everything squared away Iโ€™ll check balance and leaks then Iโ€™ll pretty her up and take her to the lake.
    Cash
    ROmarin Dolly lights and etc
    โ–ถ๏ธ
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    ๐Ÿ’ฌ Re: Almost a fireboat!
    2 months ago by Martin555 ( Vice Admiral)
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    All the hard work has paid off Cash, A very neat little boat.
    Well done.

    Martin555.
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    ๐Ÿ’ฌ Re: Almost a fireboat!
    2 months ago by MouldBuilder ( Lieutenant Commander)
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    That looks a really smart boat. I have the same pump to run 3 monitors. I think using an ESC is a good idea as you may never need the full flow of the pump. Have you tried the pump whilst connected to the monitor yet?
    Peter.๐Ÿ‘๐Ÿ˜€
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    ๐Ÿ’ฌ Re: Almost a fireboat!
    2 months ago by Cashrc ( Sub-Lieutenant)
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    Yep, had a small container of water under the stern with a silicone pickup and fired it up. Shot water all over the garage wall๐Ÿคฃ
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    ๐Ÿ’ฌ Re: Almost a fireboat!
    2 months ago by Escrich ( Master Seaman)
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    Very nice results, great job, i love your boat
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    ๐Ÿ“ Light bar test
    2 months ago by Cashrc ( Sub-Lieutenant)
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    View Video
    Quick video of the light bar Iโ€™m installing on the Dolly. It was a quick clip, and thereโ€™s super glue on my finger so no, Iโ€™m NOT molting๐Ÿคฃ
    Light bar for my RoMarin Dolly
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    ๐Ÿ’ฌ Re: Light bar test
    2 months ago by figtree7nts ( Vice Admiral)
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    Hi Cash,

    Looks good!

    Cheers, Ed
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    ๐Ÿ’ฌ Re: Light bar test
    2 months ago by RNinMunich ( Fleet Admiral)
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    Moulting?
    No! I thought you were skinning - like a snake ๐Ÿ˜
    Looks good๐Ÿ‘ Is there an appropriate siren to go with it?
    Carry on flashing Cash! ๐Ÿ˜ฎ
    Glad you didn't get stuck to the switch!
    ๐Ÿ˜Ž
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    ๐Ÿ’ฌ Re: Light bar test
    2 months ago by Cashrc ( Sub-Lieutenant)
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    No siren yet Doug, but Iโ€™m looking.๐Ÿ˜
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    ๐Ÿ’ฌ Re: Light bar test
    2 months ago by RNinMunich ( Fleet Admiral)
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    Have sniff round here Cash.
    Cheers, Doug ๐Ÿ˜Ž
    https://www.amazon.com/Evan-Designs-Emergency-Model-Vehicle/...
    or here
    https://www.amazon.com/Truck-Diecast-Emergency-Vehicles-Serv...
    https://www.amazon.com/Evan-Designs-Emergency-Model-Vehicle/dp/B00K024DMO
    ๐Ÿ”—
    https://www.amazon.com/Truck-Diecast-Emergency-Vehicles-Service/dp/B00RNFW02Q
    ๐Ÿ”—
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    ๐Ÿ“ Robbe (Krick) Dolly fireboat build
    2 months ago by Cashrc ( Sub-Lieutenant)
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    Hi yโ€™all. I decided a few weeks ago to start working on my Christmas present, an ROmarine Dolly. My lovely bride, Teresa, ordered it along with the fittings kit and fire monitor kit. The Dolly is a beginners model, but there is some interesting things to watch out for during the build. The way the deck unit builds up is a little convoluted, everything seems to line up well until you add the cabin, then it seems to get out of whack. I spent considerable time adjusting, tweaking, sanding, etc to get it to fit..itโ€™s not perfect, but it looks okay from a few feet away. The hull and deck are fairly straightforward, but the deck is a little flimsy so I added stiffeners for and aft to shore it up.
    The boat calls for a Speed 400 on direct drive...couldnโ€™t do it. Canโ€™t help myself, especially since this boat may be put in harms way, putting out fires, rescuing errant ducks and the like. Sooo...I went thru my stash of motors, settled on an old AYK Magnum 480Z mild, very mild, modified. I have hot stock motors that run harder than this, but itโ€™s smooth, has a pretty machined case, and is almost new. The stock 2mm shaft was used, I almost cut down a 4mm shaft, but the shaft and motor are lined up well. I may still add a brace between the tube and hull.i also stiffened up the bulkhead mounting plate.
    I found some 10th scale diamond plate, so thatโ€™s what the fire monitor area is covered with. I also found a cheap and cheerful light bar that will be added and wired in. I took it apart to paint and reassembled it.
    The fire monitor is neat, if somewhat fiddly to build and set up. It has a return spring to pull it in the up position, thereโ€™s a very fine (.5mm or less) nylon thread that runs from the monitor down a 1mm i.d tube that is parallel to the main tube, the thread runs thru that and is connected to a servo. The servo pulls down, when pivoting up the spring adds positive mechanical pull as the servo feeds the thread. Pretty neat and simple really, but a little bit of a pain to build.
    Thatโ€™s about all for now, need to add the monitor servo and then see where Iโ€™m at.
    Cash
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    ๐Ÿ’ฌ Re: Robbe (Krick) Dolly fireboat build
    2 months ago by Escrich ( Master Seaman)
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    Nice job, I like this small boat
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    ๐Ÿ’ฌ Re: Robbe (Krick) Dolly fireboat build
    2 months ago by Martin555 ( Vice Admiral)
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    That did not take you long to make that Cash.
    Nice little boat.
    Will be interesting to see how she handles in the wet stuff.
    well done.

    Martin555.
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    ๐Ÿ’ฌ Re: Robbe (Krick) Dolly fireboat build
    2 months ago by marky ( Commander)
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    Nice neat looking boat ,the aluminium plate really makes the fire moniter stand out.
    Cheers Marky๐Ÿ‘
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    ๐Ÿ’ฌ Re: Robbe (Krick) Dolly fireboat build
    2 months ago by MouldBuilder ( Lieutenant Commander)
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    Looks really good.
    I am just in the process of making three of the exact same monitors for my Robbe Krick Dusseldorf. I must admit that Martin 555`s build of the Submarine made me feel so guilty of being lazy that I have ended up sanding all of the joints and blending out the ejector marks and repainting. I think they will look ok but a lot of extra work.๐Ÿค”
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    ๐Ÿ’ฌ Re: Robbe (Krick) Dolly fireboat build
    2 months ago by Martin555 ( Vice Admiral)
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    Sorry about that i did not mean to make you feel guilty.LOL!!!

    Martin555.
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    ๐Ÿ’ฌ Re: Robbe (Krick) Dolly fireboat build
    2 months ago by figtree7nts ( Vice Admiral)
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    Hi Cash,

    You did a great job on her! ๐Ÿ‘
    I can't wait to see a video of her on the water!

    Cheers, Ed
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    ๐Ÿ’ฌ Re: Robbe (Krick) Dolly fireboat build
    2 months ago by marky ( Commander)
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    Oh yes you did ๐Ÿคฃ๐Ÿคฃ๐Ÿคฃ.

    Cheers Marky
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    ๐Ÿ’ฌ Re: Robbe (Krick) Dolly fireboat build
    2 months ago by MouldBuilder ( Lieutenant Commander)
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    Only kidding Martin. We are all improved modellers by copying your methods.๐Ÿ˜ƒ
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    ๐Ÿ’ฌ Re: Robbe (Krick) Dolly fireboat build
    2 months ago by Martin555 ( Vice Admiral)
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    That is indeed a complement thank you very much.

    Martin555.
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    ๐Ÿ’ฌ Re: Robbe (Krick) Dolly fireboat build
    2 months ago by mturpin013 ( Commander)
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    It would be nice to see a demo/video of your description of the monitors workings.
    What pump do you use?
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    ๐Ÿ’ฌ Re: Robbe (Krick) Dolly fireboat build
    2 months ago by Cashrc ( Sub-Lieutenant)
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    Ok, what did I miss?
    BTW, itโ€™s hard to make me feel guilty or hurt my feelings, I work at the back parts counter at a Ford dealer. Any one of the guys I work with can come to my house and, like my dad would say, drink my iced tea and eat my cornbread. However, the way we talk to each other would make HR run for the hills๐Ÿคฃ
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    ๐Ÿ’ฌ Re: Robbe (Krick) Dolly fireboat build
    2 months ago by Cashrc ( Sub-Lieutenant)
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    Mturpin, Iโ€™m using the stock Krick pump that comes with the monitor, I have the same pump in my Neptun works well.
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    ๐Ÿ’ฌ Re: Robbe (Krick) Dolly fireboat build
    2 months ago by RNinMunich ( Fleet Admiral)
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    "Sorry about that i did not mean to make you feel guilty.LOL!!!"
    LHYD Martin ๐Ÿ˜‰
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    ๐Ÿ’ฌ Re: Robbe (Krick) Dolly fireboat build
    2 months ago by RNinMunich ( Fleet Admiral)
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    "Ok, what did I miss?
    BTW, itโ€™s hard to make me feel guilty or hurt my feelings"
    It's OK Cash, calm down, we'll pay for you๐Ÿ˜
    That was just a little light exchange between Martin and MouldBuilder.
    BTW Who's HR??
    ๐Ÿ˜Ž
    PS I squished a few discs in my back some years ago.
    Got any over the counter 'back parts' that can fix that by any chance? ๐Ÿ˜‚๐Ÿคฃ
    Be nice tho wooden it๐Ÿ˜Š
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    ๐Ÿ’ฌ Re: Robbe (Krick) Dolly fireboat build
    2 months ago by Cashrc ( Sub-Lieutenant)
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    After re-reading the threads, NOW I get it..guess I need to make sure Iโ€™m not asleep at the wheel before posting๐Ÿคฃ
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