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HomeAircraftHelicopterAlignOther › trex-700
04-07-2010 12:40 AM  8 years agoPost 1
wac1

rrNovice

southgate,Mi,.USA

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crashed my 700,replaced one of the side frames,main shaft,feathering,clutch block and shaft,flew,tail was bouncing up and down,raised rpm and went away,but now copter is shaking side to side anyone runn into this problem,any ideas appreciated

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04-07-2010 12:44 AM  8 years agoPost 2
michael88997

rrElite Veteran

Lewisville,Tx

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did you make sure your main mast is straight into the bearings meaning you relined up the frames... also did your dampners make it?

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04-07-2010 12:45 AM  8 years agoPost 3
jsenicka

rrProfessor

Eagle River, WI

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bent bolt on mixer arms, or grip ball link.
Check that the attaching bolt for mixers and washout links are not bent, and bolt securing ball to grip is not bent

Jim Senicka
Team Manager, GrandRC Flight Team

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04-07-2010 01:00 AM  8 years agoPost 4
cdnskydog

rrNovice

London, Canada

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Shaking
I had that problem on other helis and finally I found that the swash plate was sloppy and may have got stretched when crashed. I could feel the movement when I held the swash with two fingers and tried to move it horlizontally and sure enough it had a little slop in it so I replaced it and all was well again on my Trx 600.

Skydog

skydogsports.com

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04-07-2010 10:01 AM  8 years agoPost 5
The Old Guy

rrVeteran

UK Surrey

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check the flybar balance

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