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10 postsThe propulsion side has dual everything (motors, ESCs, sound units), would have had 3x but ran out of space! Motors are 28mm 2200Kv water jacketed in-runners (cooled by remotely switched pump) using 30A Chinese ESCs (have 5A BEC, Fwd and Rev). Twin sound units are 'GT Power' car units which have around 40 different sound selections, from Cosworths to diesels and are computer programmable (as well as manually on the unit ) for various functions. I am using one of the v8 sounds (8 cyls short in my application) which I think is as near as you are going to get to 3 Napier Sea Lions (for which there is obviously no sound available) They 'start' 'Idle' and are fully proportional in fwd and rev and can sound quite realistic (will attempt to put up a vid later).
Batteries are 2x 2200mah 2s 20c LiPos which will last around 2hrs at least of sailing (they also run the sound units) Still have a few small things left to do (have just made wheelhouse air intakes) but don't want to get too fiddly. Just want to keep it a practical model.
- jbkiwiFleet AdmiralThanks for the kind comments. Planking did take a couple of days but was not done all that neatly (just clamp and cyno) as I was glassing it later - it was all thin resin coated inside to seal it). Planking was just a hint at the original so you could just make out the planks through the glass. Have included a few more pics of the motors and interior which is not that flash but is unseen, (more for the fact that I had seen the original and was sort of putting down what I remembered from when I was 15) There is a small picture at the top left of the stairs which on the original, was a Photo from an HSL looking off the Stbd rear 1/4, to 2 64ft HSLs side by side climbing over its wake at speed
The stair set is the original from the wheelhouse to wardroom, which has been kept and used again by the present owner (down to utility room in front of engine room) and still has the original 'POWER BOAT' rubber treads (not bad nick for 79yrs old!)
Done a bit more to the hull and fitted the stringers and the bottom skins
- canabusLieutenantHi Jim
I will be watching this built very close, as I have built one from original plans and also did the 25% as a future project.
Because of the very limited engine and radio hatch, I design them larger, but, you are on the right path. I installed a 28mm brushless motor, 3S 2650mah Lipo battery with a 2 blade 32mm brass prop. I don't think the 25% bigger a one would require any more power as it a rocket. My hatches run down the deck planking lines, the original hatches are only for show.
The engine starts from the front seat and finishes at the rear windscreen.
I made up the cockpit floors etc. before I skinned the sides, a lot easier, also the floor is split over the keel with the seats one piece.
Can-a-bus
CanabusLiked by mbarker
Building from plans MM 512 ( MBPS ).
Hoping to be a twin screw powered hull.
And sail on the local pond at County Hall in Worcester.
Keel and Bulkheads are in 5mm Ply, and plank on frame in Obechie 6mm x 3mm..
Tortola plank (Balsa, tissued and dope) on frame, the keel and bulkheads from 10mm plywood. it has a small electric motor fitted but will have sails as well. Curlew from the Eezibuilt range. Material ply wood, Some of it from fruit crates.
The stand for Tortola made from 3 ply cardboard to my own design, stuck together with PVA glue.
Pity they seem to have moved on to pasture new these days. This Launches first sail at Ethrow Park, 2013. Still fitting out, at first stable but disappointedly slow on 3 blade prop, powered by a Johnson 600, but after a loan of a 40mm twin bladed nylon Prop, of she went at ssspppeedd, final session is when we re tried her with original tweaked 3 blader, not quite as fast but an Improvement,even better when we changed it for an opposite handed similarly tweaked prop, as we realised ESC was set up to run better that way
- Peter47Chief Petty Officer 1st ClassGlad you like it, unfortunately, just had a message from Ethrow club, that they are banning fast electrics boats, after a number of complaints from public, about wildlife being harried by someone sailing their speedboat at them. I am not one of them try always to run in empty water, when at all possible. Need to check what they class as fast, or head to local canal and its weeds for my next speed rush.Liked by none
All bulkheads, power train and from deck up scratch build
I think its a modified Aerokits fire boat or Sea queen,
The deck is different because it steps down, the cabin looks to be modified, the hull is all fibre glass with wooden bulkheads.
Nice 10cc Merco engine.
Will upload more recent pics as the pics are from about 18 months ago, I've since started re building the boat to sail then in future sell.
- Merco61RecruitAbout the fibre glass hull it looks to be ply with a thin coating of fibre glass.
It's roughly 34" long.
The guy who the boat used to belong to had a couple of aerokits boats as well as this one, he had a sea queen and another boat but I cant remember the model name.
from looking at other boats the only boat I can really compare it with is the sea queen.
I will be uploading the boat with or without the engine on ebay in the next couple of months, I have two merco 61 marine engines that will be on ebay soon. - froggyt996Petty Officer 1st ClassHI it is ST LAURIE made by LAWRENCE MANUFACTURING 106 Lawrence Road liverpool sold for A£4. 10 shillings or A£4.50p to days money in the 1950 fiberglass hull and cabin roof ply cabin sides length 42in beam 12in