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Old Jul 22, 2014, 05:30 PM
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Joined Apr 2014
209 Posts
I'd never thought I'll ever complain about headspeed beeing to high, but does this seem right to you? Im using a 3800 kv motor and Turnigy 25A esc flashed with Blheli 11.2, I knew it will be greater than stock but im literally afraid that the blades will tear the grips off the feathering shaft.

I just need you to take a look and judge by the sound, havent got an rpm meter unfortunately.
CopterX 250se crazy headspeed (0 min 27 sec)
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Old Jul 22, 2014, 06:21 PM
AMA# 548800
jombo's Avatar
United States, CT, Trumbull
Joined Dec 2007
5,046 Posts
Sounds fine to me . I run the 4200kv motor , I got the smallest pinion I could . It is the Firefox helicopter HK sold a while back , I think the pinion is a 10 or 11 . Still need the throttle curve under 70 max . Any higher the tail has a fast wag of death .
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