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Old Apr 15, 2012, 08:40 AM
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Joined Apr 2012
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cp pro 2

Like to know why my heli "cp pro 2" likes to jump up or down on any given time? Wasn't having this problem before!
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Old Apr 15, 2012, 11:25 AM
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Joined Aug 2003
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hi,if after a repair, easy enough to have a mixer arm on flipped, that will cause heli
to want to do that.
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Old Apr 15, 2012, 01:14 PM
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Thank you for the 411 mdugas! New to the heli world but willing to learn!
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Old Apr 15, 2012, 03:20 PM
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Joined Dec 2002
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On some of the earlier Blade helis, the blade holders were incorrectly assembled on their shafts at the factory causing friction, which made the heli jump when increasing pitch.

There is a stepped washer which was placed next to a bearing in the wrong direction.

There is a large thread on the subject.

http://www.rcgroups.com/forums/showt...+jump+blade+cp
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Last edited by Martyn McKinney; Apr 15, 2012 at 03:35 PM.
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Old Apr 15, 2012, 08:48 PM
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Thank you Martyn Mckinney! Learn something new everyday from indivuals like your self. Appreciate the 411! :0
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Old Apr 20, 2012, 11:27 AM
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Evansville, WI
Joined Dec 2006
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I also had the "sticky collective" problem with the BCP when I first got it. Reassembling the way Matryn showed solved the problem.
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