RunRyder RC Helicopter Topic - Need help setting up gy 520

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Radio - Servo - Gyro - Gov - Batt > Need help setting up gy 520

bmm
Senior Heliman
Location: Danville, Indiana

My Posts This: Topic Forum

I've got the gy520 w/ hitec 5084 servo.

COuld someone please give me there settings they are using or help me set it up. I've read the manual and I think i have pretty much everything setup right. However when i spool up it wags violently and sometimes jerks almost 90 degrees and continues to wag.

If you could give me your setup or some help would be great!

11-03-2009 08:52 PM

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kcordell
Veteran
Location: O Fallon, MO

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On gyro setup, first and most important. Tail must be perfect when gyro is in normal mode. If not, you will never get the gyro to operate correctly. As far as setup, the 520 is the easiest yet. Follow the flashing light instructions and use F3C mode (not 3D mode), as it works much better this way. Make sure you have the right setting for the servo you are using and if it still bounces too much, go to the thicker foam pad and the plate.

Team Futaba, Miniature Aircraft Pilot, YS Engines, VelTye

11-03-2009 10:38 PM

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bmm
Senior Heliman
Location: Danville, Indiana

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I forgot to include it also does this normal mode. I have it setup for F3C. I was going to try to set it in normal mode but theres no way to do it cause it wags all over the place.

11-03-2009 10:50 PM

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kcordell
Veteran
Location: O Fallon, MO

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Wagging is usually a sign of to high of a sensitivty setting. What radio are you using?

Team Futaba, Miniature Aircraft Pilot, YS Engines, VelTye

11-04-2009 01:33 AM

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bmm
Senior Heliman
Location: Danville, Indiana

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JR 8103

11-04-2009 01:35 AM

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lfalsetto
Key Veteran
Location: COLORADO

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What is your gyro gain set at. I have a F 12z and have mine set at 53.

11-04-2009 04:27 AM

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bmm
Senior Heliman
Location: Danville, Indiana

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Ive tried everything from 75%-20%.

11-04-2009 11:55 AM

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kcordell
Veteran
Location: O Fallon, MO

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What servo and is the gyro set to the right setting for that servo?

Team Futaba, Miniature Aircraft Pilot, YS Engines, VelTye

11-04-2009 01:37 PM

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bmm
Senior Heliman
Location: Danville, Indiana

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hitec 5084 servo and yes I think so I have it on the 1540u setting.

11-04-2009 10:52 PM

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kcordell
Veteran
Location: O Fallon, MO

My Posts This: Topic Forum

You can try the different settings for the servo. Not sure exactly where that servo falls into. That could be one place to check.

Did you set the endpoints properly?

Team Futaba, Miniature Aircraft Pilot, YS Engines, VelTye

11-04-2009 11:18 PM

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bmm
Senior Heliman
Location: Danville, Indiana

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I did it as the manual said and I tried ways people had them set online. Right now its set up per the manual.

11-04-2009 11:19 PM

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kcordell
Veteran
Location: O Fallon, MO

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Almost sounds now as if the direction is backwards.
Can you even get the model in the air or does it try to spin?

Team Futaba, Miniature Aircraft Pilot, YS Engines, VelTye

11-05-2009 01:09 AM

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bmm
Senior Heliman
Location: Danville, Indiana

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Its working the right direction i know that for a fact. I can get it in to the air but its impossible to keep the tail from bouncing all over the place.

11-05-2009 01:13 AM

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kcordell
Veteran
Location: O Fallon, MO

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I think at this point I would swap the TR servo out with a different one and see if that solves the problem.

Team Futaba, Miniature Aircraft Pilot, YS Engines, VelTye

11-05-2009 01:27 PM

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smallplanes
Key Veteran
Location: Timmonsville,S.C. ,USA

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You may need to go in or out on he tail servo horn,i think you might need to go shorter. I don't have a 520 so i'm just give suggestions.

Spectra G 26cc
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12Z

11-05-2009 10:17 PM

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lfalsetto
Key Veteran
Location: COLORADO

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Try going in one hole on the servo arm. This will dampen the sensitivity

11-06-2009 03:40 PM

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bmm
Senior Heliman
Location: Danville, Indiana

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I finally figured it out. It turns out the motor had rubbed through the insulation and it was shorting out. After fixing the wires and rerouting them everything works great now.

Thanks for the help guys.

11-07-2009 10:12 PM

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lfalsetto
Key Veteran
Location: COLORADO

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Great glad you found the problem. I hate wire chaffing.

11-08-2009 01:18 AM

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Radio - Servo - Gyro - Gov - Batt > Need help setting up gy 520

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