RCU Forums - View Single Post - Larger engine for my alpha 40

12-23-2008 | 10:03 AM

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MinnFlyer

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From: Willmar, MN

RE: Larger engine for my alpha 40

I also agree that a ST 45 won't be any better. I have an EVO 46 that spins an 11x7 at 11,500RPM. Just try switching to a better prop. That engine is plenty of power for that plane, you just have it propped wrong.

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