RunRyder RC
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08-02-2007 09:11 AM  13 years ago
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Eagle River, Alaska

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Trims going out
OK this is a new one for me and it has me all worried.

I would be in a hover and all is well do some fun flying whip it around and such and the trim would be all out. Not enough to panic but enough to realize something is amiss. So I would get her all trimmed out again do some more stuff and it is all out of whack the opposite.

I landed and looked her over really well and could not find anything that would be out of the ordinary. After my last crash i am paranoid about any little thing and it may take a while before I tust my machine again.

I checked for stripped gears and they look and feel fine the servos are Futaba 9202's

<----- this is me being all kinds of confused and paranoid.
08-02-2007 11:23 AM  13 years ago

rrElite Veteran


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The biggest thing that can cause this is slop in the control system,
You can trim it out and alls fine then fly around and come to a hover and now the slop is the going the other way and its making the heli out of trim.

Check all links for movement start from the top of the head and work your way down to the servos, you might even find 2mm slop in a link of servo and that's enough to make you keep having to trim it out
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08-02-2007 12:28 PM  13 years ago


Jacksonville FL

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Either slop or excessive drag like an over tightened bell crank or links that need to be reamed.Andy
AMA 77227
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