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HelicopterRadio - Servo - Gyro - Gov - Batt › GY401 S9254servo issues with piquoetting slow
08-13-2007 05:49 AM  10 years agoPost 1
Sarosh

rrNovice

Brainerd, MN USA

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Ive had put in 6+ gallons in this R50 Titan. after a clutch change, now the heli does not piquoette fast anymore, its like 360 degree per mintue or less. not fast anymore. It still holds heading just fine.

What seems like is that when i push the rudder stick full in either directions, it will rapid turn but then rapidly slow down, continues to slow down more while i hold the rudder stick full.

I dont understand why its happening now. it was fine before.

The TX is Futaba 6EXH.

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08-13-2007 01:07 PM  10 years agoPost 2
dkshema

rrMaster

Cedar Rapids, IA

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Pirouette. Not Piquoette.

Changing out a clutch should have no effect on how the tail rotor system behaves. Unless you tore apart more of the heli than you needed to, and reassembled it wrong.

Check the usual suspects:

-Binding in the tail rotor pushrod linkage, the tail rotor pitch slider, and/or tail rotor grips.

-Something limiting the full travel of the tail rotor servo.

-Something wrong with the belt drive system to the tail rotor.

-Pirouette spin rate is set by the endpoint adjustment on your transmitter. Max out the rudder endpoints in your transmitter if you haven't already. Overall servo travel is controlled by the Travel Limit adjustment on the gyro, not by endpoint setting on the TX.

-Make sure that the travel limit on your gyro allows you to get the maximum amount of servo travel you can get without binding up the servo and mechanics at the left and right travel extremes.

-Make sure your tail rotor servo is working correctly. When you move the rudder stick side to side, the servo should move very quickly, not poke along. If it seems slow, disconnect the pushrod to see if that makes any difference. If disconnecting TR linkage speeds up the servo's transite time, once again, make sure there is no drag or binding in the TR control mechanism. If the servo is slow with no load, perhaps the servo is about to croak.

Make sure you're initializing the gyro correctly in Heading Hold mode.

Make sure you haven't accidentally enabled revolution and/or acceleration mixing in your transmitter.

-----
Dave

* Making the World Better -- One Helicopter at a time! *

Team Heliproz

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08-14-2007 12:15 AM  10 years agoPost 3
Sarosh

rrNovice

Brainerd, MN USA

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I've done that a few times already since the problem showed up..

But i will check it again, and reset the tx and start all over again.

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08-16-2007 02:42 AM  10 years agoPost 4
Sarosh

rrNovice

Brainerd, MN USA

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after several hours troubleshooting, rechecking links, binds, every damn little details and bits, no luck so i decided to write down all my settings on the tx, and erased the memory on it, input my settings that i wrote down, and viola!!! IT WORKS!!!!!!!!!!!!!!!!!!! I'm so thrilled!!! but now its gotten dark. i have to wait until tomorrow... again i have to wait!!! lol

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