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Old 08-25-2019, 12:13 AM   #5 (permalink)
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Join Date: Apr 2016

Carbon fiber main shaft or steel? If carbon fiber hollow or solid?
Had a similar experience with a brand new hollow carbon fiber main shaft. Shaft was true when removed but would flex just enough to cause vibes in heli.
Any slight bend in the main shaft or spindle shaft will cause vibes in the heli.
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