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401 Gyro Questions - 5/6/2008 2:52:23 PM   
ksechler



Posts: 495
Joined: 9/19/2002
From: Frederick, MD, USA
Status: offline 		I recently planted my 450SE and now that it is rebuilt I have started to tune it (again). I am having some gyro problems, though. I have a futaba 401 driving a 9254 digital servo. If I goose the stick up the tail drifts to the right. It seems like the gyro isn't quick enough to counteract the torque. I increases the gain some and saw some improvement but something is changed. What are some potential causes for this?
       Post #: 1

RE: 401 Gyro Questions - 5/6/2008 4:35:48 PM   
DrDeath



Posts: 1543
Joined: 4/14/2003
From: Bethesda, MD, USA
Status: offline 		Send it back to Futaba and have them check it out. May have been damaged in the crash.

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My Website http://mysite.verizon.net/ldharris84/
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(in reply to ksechler)
       Post #: 2

RE: 401 Gyro Questions - 5/6/2008 4:52:52 PM   
HeliSmith



Posts: 1520
Joined: 1/25/2007
From: Canyon Country, CA, USA
Status: offline 		I believe you did not setup using full throw in rate mode. I generally enter rate mode and make sure I have full and equal travel in both directions. Otherwise you get what you describe.

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(in reply to DrDeath)
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RE: 401 Gyro Questions - 5/6/2008 5:52:51 PM   
ksechler



Posts: 495
Joined: 9/19/2002
From: Frederick, MD, USA
Status: offline 		HeliSmith:
Thanks, that sounds about right. I did damage to the tail and had to reposition the servo. I didn't go through the full setup again. I'll give that a try.

DrDeath:
Thanks for the reply. I doubt the gyro is damaged, but I will keep your suggestion in mind if setting the throws up doesn't work.

(in reply to HeliSmith)
       Post #: 4

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