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11-09-2016 11:50 PM  22 months agoPost 1
ROCKEY

rrNovice

CHICAGO, ILL

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I have a trex EP heli with a flybar everything is original except for the servos I went from normal to digital and a futaba 401 gyro, the problem is the heli leave the ground the tali move up and down, what coule be the problem.

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11-10-2016 06:19 AM  22 months agoPost 2
Keygrigger

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Mississauga, Ont. Canada

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Two things come to mind from my experience. One is the head speed is too slow and the second is that the dampeners might be too hard or since the helicopter is old, they might dried out and in need of replacing. Low head speeds tend to favour soft dampeners whereas high head speeds favour harder dampeners. Check that your paddles are properly aligned with the cage and are 90 degrees to the main shaft. Take care.

Don

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11-11-2016 09:54 PM  22 months agoPost 3
ROCKEY

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CHICAGO, ILL

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thanks don I will check my heli today

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11-15-2016 06:12 PM  22 months agoPost 4
ROCKEY

rrNovice

CHICAGO, ILL

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thanks again Don you are right, it was the head speed was too low move the head speed up the tail stop moveing up and down.

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11-15-2016 06:30 PM  22 months agoPost 5
Keygrigger

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Mississauga, Ont. Canada

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NP. Have fun.

Don

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