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09-03-2003 11:07 PM  14 years agoPost 1
Chavalo

rrApprentice

Mexico City

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Hey...how do I know if my gyro is working or not? It's a mechanical gyro and I'm hovering and well, I keep correcting my tail pitch so the heli won't turn and face me.....is this normal operation? Does it depend on how good your gyro is regarding tail pitch corrections? Or maybe it's just not calibrated correctly? I need some input here! Thanks!

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09-04-2003 01:21 AM  14 years agoPost 2
Heli-Driver

rrElite Veteran

Arlington, TX

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You can do a simple test to see if the gyro is damping the yaw rate by turning the helicopter and radio on. Pickup the helicopter and rotate it from left to right and back, notice if the gyro is causing the rudder servo to move in response to the yaw movement. You should see the servo arm moving back and forth as you manually rotate the helicopter.

You should be able to mechanically trim the rudder so the gyro will hold fairly steady in a hover with no rudder stick input. You probably want to add a REV. Mix which is a simple mix that adds more rudder as the throttle/pitch increases. This helps offset the added torque as the motor RPM increases and helps the gyro hold better.



Raymond

Predator Gasser SE/231 X 2
Century Helicopters

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09-04-2003 05:06 AM  14 years agoPost 3
Chavalo

rrApprentice

Mexico City

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Thx Ray, I'll give it a try!

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09-04-2003 07:42 PM  14 years agoPost 4
Chavalo

rrApprentice

Mexico City

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Ray, problem solved...the damn thing was reversed, it's hovering sweet! Thx for the advise!

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