SK 720 on a 450pro - RCCanada - Canada Radio Controlled Hobby Forum
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Old 11-22-2010, 10:39 PM   #1
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Angry SK 720 on a 450pro

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I am having problems with a SK 720 on 450 pro. When I start throttle up just as the skids get light the head starts to wobble. I was wonder if some one could help. I have tried to contact skookum throught the tech email with no reply.
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Old 12-07-2010, 10:36 PM   #2
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Re: SK 720 on a 450pro

If this helicopter was an arf, what are the chances that all of the parts are in the head?
If the head dampers have been installed incorrectly or are soft or are missing that could cause wobble. I have had blade grips come loose and also bent feathering spindles that have caused vibrations. If something was bent badly enough it could cause some very un-nerving reactions. I would start by taking the head apart and having a look at everything and reassemble it as per the manual. Hope this helps.
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