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I found two pics of my Sea Hornet engine mount. The second pic shows the cutout of the keel and the simple home made L bracket for the engine mount. The one in the Hobbyking drive line kit I did not like, but, the engine bolting to the motor is great. No top bearing, but, I have not had a problem with it. Added tap silicon grease on installation.
The pic posted by Inkoust says it all really. The original Aerokits and many other models from the 1960s all had steep angled propshafts. This was necessary to allow for the large IC engines fitted. Modern electric motors do not require the same depth inside the hull so the prop shaft can be mounted at a much lesser angle, producing a faster and more controllable model. It would be relatively easy to alter your set-up before you add the rest of the skins. Even with a 50mm prop there is still about an inch to lose. I appreciate this may not be your first choice but believe the end result will justify the effort Dave
Exactly the ship's screw should be behind the rudder so that the ship responds well and if the shaft is below that angle, the boat will crawl in turns in the water. I would also avoid connecting the shaft with the kardan engine. Just a smaller branch in the water and the kardan bursts. I use the Compact shaft - the motor is screwed directly to the shaft and connected by an aluminum clutch and tightened by screws. Then less tilt of the shaft can be achieved. Or if the kardan engine on the bulkhead in the ship is bolted and does not get as great vibration as in your design.
What size are the motor mounting screws ? to fit the 850 to the motor bracket. I have not got mine yet so have nothing to try the hole sizes with yet.. In fact I don,t have any engine mounts yet thought I may be able to make some
[Score: 10/10] 33"/2600g D. Ing. Sander Capable of 11mph and a runtime of 40mins Twin Propellors (3 Blade 40mm) Chain to a MIG 400 , 1:3 (3 Blade) Powered by NiCad (7.2v) 3Amp/h Batteries Controlled Through DSYS 32A (15Amps) ESC - Comments: German Fire Ships, Hull Flying, Cabin Laminate. Assembled 2 400 series motors with 1: 3 transmission, 1 piece engine 400 with water pump modified water pump for washing the windscreen of the car, cabin lighting, mast, spotlights, positioning lights, lifting the firefighting ladder through a hand-made servo.
well there are these http://www.ebay.co.uk/itm/v2-1-10-scale-v8-engine-motor-cover-for-rc-crawler-like-axial-scx10-rc4wd-/172633044521?hash=item2831bb3629:g:0NcAAOSwnONZBSAz its a sort of complete engine
Yes thanks, I have seen that on ebay. It might be what I want but I think I might have to add a certain amount of engine block, not sure yet as the hull is not yet constructed. The full engine models I found on the web are nearly all around 150 dollars or more! Not what I want to pay as it is more than the boat. Chris
I don't know what your looking for exactly but have you looked at the add ons made for the car builders some RC cars are 1/10scale and they do a whole host of bits. A quick search brought this up http://www.ebay.co.uk/itm/RC-Drift-Car-LS-V8-Engine-Bay-Model-1-10-Scale-not-intercooler-/132123251065
I have a fancy to add the top part of a V8 to my current build, a Jenny from Aeronaut. Only the top will be visible(I think!). Having seen the cost of 1/10th scale V8's on the web I need to build my own. Can anyone supply or advise of a source of, a simple, not too detailed, plan of a V8 with dimensions? It doesn't need to be accurate down to the last nut and bolt. Chris
Praise indeed sir, and I thank you.Yes the design certainly has its problems,long before the cylinder is flooded it shorts out the HT spark plug,I have made a new deflector piston which cants to a small aperture in the cylinder wall which syphons to an expansion tank.Building prototypes is great because you can make most of your mistakes in the MK1 version. Im already tinkering the MK2 into existence with the required modifications.
I am left on awe of your work. However your water engine does have exhaust its water! that's why it fills up. Every time you draw in the oxygen hydrogen mix then result of the explosion is water and if you do not figure out how to get rid of it ( feeding back to the reservoir?) your cylinder will eventually fill and you will shudder to a halt.