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Other Boating Interests This board is for some of you that are interested in other types of boating. Scale, Sail, Gas or Nitro. Feel free to ask questions here.

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  #21  
Old 12-18-2009, 08:12 PM
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Quote:
Originally Posted by Don Wollard View Post
Keep that new rigger LIGHT, LIGHT, LIGHT> Once upon a time ..... I build a few small riggers for small motors. I used balsa laminated with 1/64th ply. Amazingly strong and light.
Hi Don, I have a some SIG PLY 1/64" plywood... and TONS of balsa! My last employer was a sign company; for which I ran Gerber (GSP) "Sabre"" CNC routers. There were signs which called for laminated balsa "planks" 1.75" thick X 24"W. X 72"L. that were routed and the scrap was... well... "scrap"... being a model airplane nut; I saved a lot of it, and have quite a bit in storage. It ranges from "A" to "C" grain. Some is ripped down and boxed to thicknesses of 1/8" to 3/16" rough (.140"-.200") 1.75"W. in lengths ranging from 30-40". I also have planks with the "sign-blanks" routed out, which have lg. areas of balsa that is 1.75" thick... which could be used for carving larger pcs. If you can use any balsa for model projects, let me know... most sources today are expensive and I have quite a bit to spare. C.P.
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  #22  
Old 12-18-2009, 08:51 PM
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I built many .049 powered free running boats many yrs ago. My favorite was a Jim Walker Miss Thriftway , later kitted by Dumas .
Wasp powered , later cox reed engines. Then I used a piece of 1/2 A fuel tubing screwed onto the motor threads and on a threaded drive shaft.
Fuel Tubing was neoprene in those days like in the reed enging tanks . It worked fine as a flex coupling.
I suspect it woild still work on small flex cable . Octura used to sell very small cable and prop adapters .
I have several of each size Cox engine , .010 through .051
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  #23  
Old 10-25-2011, 02:29 AM
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I remember when I was 13(31 now)but I had a cox car it was the standard cox .049 but with a EGR(exhaust gas recirculation)it would have all exhaust pass through a block where at idle a rod redirected the exhaust back through the engine giving a good steady low idle and rather fast take off as full throttle passed no exhaust back through the engine rather awesome design.
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  #24  
Old 08-16-2016, 01:11 PM
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Here is the fastest 1/2A outrigger in the world:



https://www.youtube.com/watch?v=qEKjR0_JjpA

Published on Sep 24, 2015

Saint-Savinien SAW 20/09/2015.
Picco P-0 / .0519 Cu. In. /.85cc
33k + average
Best 36,014 rpm
Best 44.7k no load
Octura X427 modified

Possible speed 1.4in x 36,014k rpm 48 mph

I used the translator good info as they figure out what works with the engine.
http://www.offshore-rc.com/forum/ind...ro-saw/&page=1


Last edited by Amp Eater; 08-16-2016 at 01:36 PM.
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  #25  
Old 08-16-2017, 11:29 AM
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Here is my Picco .05 project 1/2A size engine or .85cc

https://www.youtube.com/watch?v=Gv7EUv6yfvs





Last edited by Amp Eater; 08-16-2017 at 11:48 AM.
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  #26  
Old 08-16-2017, 11:33 AM
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