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T-REX 250 › Gp 750 gain issue
04-05-2010 06:56 AM  8 years agoPost 1
LogoDogg

rrNovice

Sydney, Australia

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Hi guys, I have a problem with my gyro gp750 on a trex 250, atlow rpm and hover it works fine but when iflick over to 3 d mode the tail wobbles with high rpm.. I assume it's a gryo gain issue... Can anyone tell me how to ajust the gain on a gp 750 align gyro? Cheers

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04-05-2010 07:19 AM  8 years agoPost 2
himaxkeith

rrApprentice

Atlantic City NJ. USA

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If your using a Futaba radio or JR than you need to adjust your gain for each flight mode thru the radio. If its a Futaba radio go to the gyro screen and you will two sets of numbers. The top number is for switch up for flight modes 2 and 3 and the lower number is for normal flight mode or 1. If you have the numbers the same you may need to adjust the flight mode 2 and 3 down or the gain down for that mode

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04-05-2010 07:22 AM  8 years agoPost 3
himaxkeith

rrApprentice

Atlantic City NJ. USA

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If that dont help you may need to bring the ball in on the servo horn.

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04-05-2010 02:11 PM  8 years agoPost 4
Richardmid1

rrProfessor

Leeds, England

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Adjust your gain in your tx in whatever channel you have the single yellow wire plugged into. Then adjust the gain till you have no tail wag in idle up (3D mode). You should have your normal throttle curve set something like this 0-50-70-80-90 and idle up like this 100-100-100-100-100 or 90-90-90-90-90.

60% of the time, it works every time!

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