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HomeAircraftHelicopterHelicopter Main Discussion › 401 gyro gain
10-16-2005 11:25 PM  13 years agoPost 1
Mike1

rrNovice

Indianapolis, IN

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On the 401 gyrp if you turn up the gain on the gyro does that me that it will give the gyro more holding power on the tail. And hold it in place with very little drifting. (or better yet whats the purpose of the gain function )

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10-16-2005 11:30 PM  13 years agoPost 2
MicroDOC

rrVeteran

Goleta, CA

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True, but if the tail starts to wag turn it down until it is steady. The GY401 should be set pretty close as it comes from the factory. Read the instructions that came with the gyro (if there were any)!

Experience is something you don't get until just after you need it!

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10-16-2005 11:35 PM  13 years agoPost 3
Red9301

rrApprentice

London UK

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See here for complete setup instructions (works for any helo)

http://www.raptortechnique.com/gy401-jr9303.htm

This is the good bit;

"First make sure the 'Limit' on the top of the gyro to it's max (140), while you're adjusting that go ahead and make sure the 'Delay' is set to 0 if you are using the 9253 servo, otherwise start around 30 and later experiment to find the best value for the servo you use.
Hold the tail rotor stick full right and pull the control rod all the way forward. Pull the link as far forward as it can go then adjust the 'Limit' control on the top of the gyro so that the ball on the servo arm centers with the link. Once you are finished you can snap the link on the ball."

Hope rt dont mind me copy pasting

cheers

Red

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10-17-2005 02:17 PM  13 years agoPost 4
BarracudaHockey

rrMaster

Jacksonville FL

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The 401 should only be run with the most gain you need for the flying you do and not cranked up till it wags and backed off a bit as was the old technique.

http://www.futaba-rc.com/team/team-tip-002.html

Andy
AMA 77227
http://www.jaxrc.com

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