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Old 05-18-2011 | 05:01 PM
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GarySS
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From: Center of the Flyover States,
Default RE: Bigger engine for U-Can-Do .46?

I had an OS.91 4-stroke in mine and kept the speed down with a 15x4 APC prop. Just about right with the power, but I also used digital servos, and 4-40 sized control rods with Sullivan steel control horns to handle the air load on the control surfaces.