Great Planes YAK 54, OS FS-200
10-14-2008, 07:53 PM
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Great Planes YAK 54, OS FS-200
I going to be building the great planes yak 54 with the OS FS-200s and kleo creations inverted pitts muffler. My question is, has anybody tried this combination? Has anybody mounted the os 200 inverted? Last question how does the os fs-200 run when you mount it inverted?
10-14-2008, 10:43 PM
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RE: Great Planes YAK 54, OS FS-200
PAPE- NO this will be number 8. I am currently flying a great planes super skybolt arf with a os 91 FS. I am looking at 1.60 size planes, either the os fs-200 or the Saito 2.20. Any information on these engines or setups will be very helpfull.
10-14-2008, 11:07 PM
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RE: Great Planes YAK 54, OS FS-200
I have never really found a lot of info on the OS 200 as far as plane apps go. The 220 is quite a bit heavier and a real power house. The 220 would kick butt in this plane as well as an OS 160. I have an FS200, I plan to put in a GP Chipmunk(called for a 120) but it is nearly the size of there 1/4 scale performance series.
10-15-2008, 12:32 AM
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RE: Great Planes YAK 54, OS FS-200
ok Its just that the question of the inverted puzzeled me. well are you loking for some nice 3D performance? if so mabye the os 200 is a bit small I would go for the saito because its a bit bigger
10-22-2008, 11:02 AM
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RE: Great Planes YAK 54, OS FS-200
I have a O.S. 200 inverted in a Goldberg Yak 67 in. and it pulls it straight up out of a hover no problem. I have never had a problem with it idling or flooding it just runs Great. I dont much care for the giant two stroke like muffler though.
10-22-2008, 03:41 PM
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RE: Great Planes YAK 54, OS FS-200
The 67 inch would be the plane to put the 200 on and get proper hover at about half stick. The Yak will hover, but not have pull out with authority or snappyness. The 200 is comparible in power to the OS160FX.
