The pads hold the boat slightly above the centre rollers to avoid damage and stop it sliding off while shifting it. New front guide posts are needed as the boat only draws about 30mm and goes right over the trailer with it underwater 😮(no prop or rudder sticking out,) so it might help locate it when coming in. Jeep had truckloads of power (just fitted a new even lower geared -geared motor -1000rpm/min @ 12v), but unfortunately being only 2x2 (not 4x4) and being half the weight of the boat/trailer combo it couldn't get a grip in the mud, so needed a bit of assistance, (as did the boat getting onto the trailer). Cut out most of the vid with the boat missing the trailer about 10 times, but scored a direct hit once😊. Heaps of fun trying and heaps of washing and CRC when I got home! Going to need some new bearings at some stage, - the ones in it are rubbish and have only lasted for about a few hours running, noisy as anything now, even with gallons of oil. Stainless NMB ones next if I don't change the jet to something else, (another thought on propulsion happening)💡
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41 posts · Page 2 of 4The pads hold the boat slightly above the centre rollers to avoid damage and stop it sliding off while shifting it. New front guide posts are needed as the boat only draws about 30mm and goes right over the trailer with it underwater 😮(no prop or rudder sticking out,) so it might help locate it when coming in. Jeep had truckloads of power (just fitted a new even lower geared -geared motor -1000rpm/min @ 12v), but unfortunately being only 2x2 (not 4x4) and being half the weight of the boat/trailer combo it couldn't get a grip in the mud, so needed a bit of assistance, (as did the boat getting onto the trailer). Cut out most of the vid with the boat missing the trailer about 10 times, but scored a direct hit once😊. Heaps of fun trying and heaps of washing and CRC when I got home! Going to need some new bearings at some stage, - the ones in it are rubbish and have only lasted for about a few hours running, noisy as anything now, even with gallons of oil. Stainless NMB ones next if I don't change the jet to something else, (another thought on propulsion happening)💡
I Need to waterproof the pushrod holes in the transom but the bellows I bought are too stiff and compress too much, so I'll have to come up with another method, (probably some deflectors for a start. Only a problem when in reverse with a bit of throttle on. Plenty of power with the 2s I was using, but motor is rated 12-24v so it would scream, -even with a 3s. I'll start with 2s and see how it goes. Might have an initial blast on the lake this week if all goes well, although I'd like to finish the deck bits first.
Just waiting for some Voltage regs to come so I can complete the electrical side with the fancy bits.. The mechanical and electrical sides are as good as done, Grahams timer is working perfectly, with the water pump and air pumps hooked up (going to install a VReg on each one plus the smoker).
To my surprise at home I found that it had a Bullet 30 motor installed these motors were the top drawer motor of early fast electrics in the early 1980's and its the only one I've ever seen, it can run on 24v and pull around 15A giving 300w not bad for a brushed motor.
due to the power of this motor I have modified the hull under the water line with turn fins and trim tabs to reduce torque roll and improve turning stability, the underside is incorrect already as it only has one propshaft, where the original had two and I believe that both props turned in the same direction.
The Pictures here show some of the work in progress I have remounted the motor and added a speed controller rated at 24v
I have remade the stern compartment and rudder gear under it.
I have blocked windows and foamed the front half of the boat.
made missing parts and repaired delaminating ply.
Note old ply is not as good as modern, the glue is not as water resistant.
Have painted the hull and have just ordered the decals from Cornwall model Boats :-https://www.cornwallmodelboats.co.uk/cgi-bin/sh000001.pl?WD=hose%20fire&PN=becc_fire_tender%2ehtml#aB_2dFTS1_2e32
The 34in is 1/16 scale
Fitting can be brought but many are cast white metal and can add weight to the boat, I have made two water cannons and plan to buy plastic fittings from this site.
This has turned out to be a task that is difficult to assess how much effort and money to spend on a hull that has been built by someone else (say no more).
Have just finished the steps for the stern compartment.
Painted and now for the test run.
the Bullet 30 motor ran well between 14 and 18v,
- Banchang-modellerAble SeamanThank you for your kind comments. if you don't have an Imara you should put it on wish list, at least. it is still best tug kit available, despite its price, and it is not too difficult a kit to complete, even if you limited experience......RichardLiked by rcmodelboats
It's about 4Ft long fibreglass hull. The keel weight is in foreground
- lesfacPetty Officer 1st ClassHi figtree7nts,
The reason it can pivot pretty much in its own length is because it is fitted with a bow thruster.
In this case it's a Raboesch model
The two main motors are Emax BL4030 brushless motors running with Hobbyking 90 amp escs. I power these with two 5 cell lipos batteries in parallel.
The Raboesch bow thruster has a brushed motor rated at 7.2 volts and this runs through an esc for brushed motors. (I was lucky to have one ready after I converted one of my boats to a brushless motor). I power the bow thruster with a 7.2 volts nimh battery pack again left over after going to brushless and lipo batteries.
Les - figtree7ntsAdmiralHi Les, fantastic job on your lifeboat! I'm thinking I'd like to build a pilot boat, maybe the one from aeronaut. as long as the model is made of plastic I'm good anything else and I'm lost! hope you don't mind but I think I'll put a bow thruster in mine also.
It was 'de-constructed' by Victor Marcham of the Mablethorpe Model RC Boat Group. Being a static model, it had to be bored through to fit a propshaft, a motor and rudder, and had new decking, mast and working LED lights.
It has yet to be weighted so pond trials can begin.
- petercbrownMaster SeamanYou are right - it does make it more interesting... despite there being precious few pictures of her around! I'm as pleased as punch with the way she looks now.
Was thinking its a pity you are stuck with two transmitters - be nice to only use one like the old Futaba/Graupner F14 set they used for the German Rescue & Daughter boats..........
JB