Plane for a OS 108 FSR
12-08-2008, 06:54 PM
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RE: Plane for a OS 108 FSR
That is an odd ball engine as it has marginally more power than the .91 FX but weighs a lot more. The 120AX is a much better engine power to weight. But to answer your question any of the 90 size models would be a candidate. Right now I would recommend the 67" Fusion. The 56" Razoryak ARF might be a candidate however I would need Brent to chime in here and give his opinion. The RY could use the nose weight but that might be a little too much.
12-08-2008, 07:45 PM
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RE: Plane for a OS 108 FSR
I had one on a 67 inch Fusion it work very good I put it all the way back in the rails it balanced perfect hovered at about 1/3 throttle had a beer bottle muffler on it had plenty of power I took it out and put a Satio 1.25 I just have a 4 stroke bug. PS it was turning an APC 17x4W
12-08-2008, 08:27 PM
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RE: Plane for a OS 108 FSR
Here is the OMP YAK 54 Kit biult Profile I put one of my OS 108 FSR's in. InFact I have been flying this one since late 2003.
OS Engines did not have the AX 120 at that time, if they did that would have been my choice for an engine for the 65" YAK 54
jerrysu29 Call sign Wild Man
OS Engines did not have the AX 120 at that time, if they did that would have been my choice for an engine for the 65" YAK 54
jerrysu29 Call sign Wild Man
12-08-2008, 09:49 PM
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RE: Plane for a OS 108 FSR
You're going to take about a 6oz weight penalty with this engine on the RazorYak. I've flown a 7lb one before and it was fine. You'll have plenty of power too. Just use the throttle!
