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Run engine w/o prop?

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JustDave

Member
Joined
Jan 16, 2017
Messages
15
Location
Rochester,NY
Can I run my Rotax 447 / 2.58 without a prop? At first I thought no. Now I see that some people have gearbox's that have a clutch that doesn't engage until about 2000 rpm, so that got me thinking.
 
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