ORIGINAL: fifou313
What engine does it use on this gasoline plane?
Thanks
regards.
Syssa Aircraft Performance, SAP 180HP, ESComposites 30G tuned pipe, Macs OS140 header, 7/8"ID x 1/16" teflon coupler, 3 button head screws on each, pipe stem and header. All soft mounted on my own soft mounts (engine and pipe).
The set-up is still being worked out, tweeked for usable patternlike performance. I am very close to what we need in Pattern but not quite there.
Engine has a great deal of power and when you dial in a decent throttle curve the power band we need is definitely there. I had an inverted throttle curve at the contest (I never checked it until Sunday after the contest was over...dumb) and that made throttle management more difficult than necessary.
The engine turns an apc 17x12 with terrific authority. Break in using something like an 18.1x10 and fly 2-3 gallons that way. Then use higher load.
Weight wise, my plane picked up about 5 ozs over a Webra 160 set-up I had in it before, so it is a very light gasoline set-up. Interestingly enough, I didn't add any tail weight...just increased incidence about 2/10 ths degree to accommodate the nose weight. Flies as well as it using the webra.
What should raise an eyebrow is fuel usage: I am running a 14 oz tank and can go through the masters schedule 2 1/2 times and still have gas in the tank. Not only does it use cheap fuel it uses far less than the popular glow set-ups. This should have some interest in Europe I would think
In other words, a 10 oz tank is enough gas for probably 2, P11 schedules back to back