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Home✈️Aircraft🚁Helicoptere-AlignT-REX 450 › 450 se head wobble
08-20-2008 02:45 AM  12 years ago
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Cobraman

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USA

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450 se head wobble
ok, I had a little accident so I replaced the obvious, main shaft. blade holder unit and still seenm to get a wobble. I powered it up with out blades and and it loos like it wobbles from a bent main shaft, i put a new one on it. Could it possablebe one of my controll linkages are bend and what i am seeing is it move form the short/longer/bent shaft??? Any ideas would be appreciated,, this thing is driving me crazy and spending money that i dont really need to spend..Any thoughts or ideas,,,,, thanks
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08-20-2008 02:52 AM  12 years ago
Way2slow

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Jeffersonville Ga

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Did you check and center the flybar and set the paddle the same distance. Take the paddles off, get the flybar the same on each side and try it without the paddles and blades,see if you still get the wobble. If so could be a bad bearing. A lot of times when you bend a main shaft it will damage the top bearing in the frame. It should fell smooth when you stick a shaft in it and turn it. If it has a gritty feel it's bad.
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08-20-2008 03:05 AM  12 years ago
Cobraman

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USA

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will do
i will do that tommorrow, this thing is drivning me crazy. Hope to get it straightened out here tommorrow...Too tired to mess with it tonight and thanks
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08-20-2008 04:36 AM  12 years ago
FenderBean

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Huntsville Alabama

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worn dampers normally, but if not that to low rotor speed maybe?
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08-20-2008 06:46 AM  12 years ago
jimboflies

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Beaumont, Texas;

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You may have bent the headblock with your " I had a little accident"
thing..
EP8 EX twinring frame
Quick of Japan
EP8v2 EX
EP9
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08-20-2008 02:54 PM  12 years ago
FenderBean

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Huntsville Alabama

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yeah the head blocks are pretty soft they warp easy
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08-21-2008 01:42 AM  12 years ago
Cobraman

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USA

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head block
bought a new one.. thanks,, hope i figure it out soon before it drives me krazy wonder if I could have a bent blade holder????
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