Prop clearance question

[nitromt]

Just wondering whats a safe prop clearance from prop to the rudder mount just above it?

[BHChieftain]

Just wondering whats a safe prop clearance from prop to the rudder mount just above it?

Just enough to keep the prop from hitting it. On x642 there is plenty of room but on 445 I have seen some posts of folks grinding the mount to make enough room at the max raised position.

Chief


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[nitromt]

Ok great thanks the 445 is the prop i was using on it i was thinking on grinding it also thanks for the info.