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HelicopterRadio - Servo - Gyro - Gov - Batt › BK Digital Servo TWITCHING??
11-09-2013 10:33 PM  4 years agoPost 1
soulrider911

rrVeteran

Novato Ca

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Hey GUys I just went out to maiden my Goblin 500, and I noticed it was having a really hard time lifting off(actually it never did)..

Upon walking up and inspecting the heli I noticed one of my collective servos was like stuck at full. It then slowly moved back to center. I think this thing is bad I tried other channels in my AR7200, and it still did it... so its not the FBL unit. I have the frequenct at 200mhz, these can go up to 333, should should be fine?? Any ideas. This kinda blows
Thanks

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Why don't cats get gray hair with age?.....

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11-09-2013 10:38 PM  4 years agoPost 2
wrongler

rrProfessor

Brewerton, New York

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I wouldn't mess with it, Send it back and they should give you a new one.
I had one on a brand new NX4 and it was twitching, Sent it back and they replaced it.

Bill Whittaker

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11-13-2013 06:54 AM  4 years agoPost 3
soulrider911

rrVeteran

Novato Ca

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I discovered the problem, upon a close inspection of the servo lead (as this is the servo that you have to route around the servo tray) I had zip tied it to the cnc servo plate, obviously I did a little too tight... and the signal wire was just severed enough to let the servo wire contact the metal on the servo tray thus giving itself some feedback, it's working fine now thst is clear of the interference

Why don't cats get gray hair with age?.....

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11-13-2013 10:43 AM  4 years agoPost 4
wrongler

rrProfessor

Brewerton, New York

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I believe that would be pilot error or hangar rash. Nice catch!

Bill Whittaker

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HelicopterRadio - Servo - Gyro - Gov - Batt › BK Digital Servo TWITCHING??
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