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HelicopterRadio - Servo - Gyro - Gov - Batt › ok JR 770!! have a look at the 5.1 regulator.
09-13-2007 02:21 AM  10 years agoPost 1
dumbflyer

rrApprentice

Pembrook Pines, FLorida

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Ok! I have an issue I just got this 770 and I had a 601 before no for what ever reason the tail just snaps back left to right really violently , it is not the gain it is not wagging when the RPM gets up it hold for a second and the all of a sudden it snaps back and then stop and it just keeps on doing in.

Any insight.

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09-13-2007 02:45 AM  10 years agoPost 2
jadams

rrKey Veteran

East coast USA

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the gain on the gyro should be at 30-37%. Go thru the setup from JKheli.com.

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09-13-2007 04:07 AM  10 years agoPost 3
dumbflyer

rrApprentice

Pembrook Pines, FLorida

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no luck! i am running the 770 3d

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09-13-2007 07:14 AM  10 years agoPost 4
nando v. arnhem

rrApprentice

Netherlands

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Hi Dumbflyer,
What are your exact settings? Have you switched the gyro to "High"?
Also, are you using the 8900G servo?

What tape are you using under the gyro? If the tape is too soft, you can get some troubles. I'm using a quite thin tape.

Nando

--------------------------------
JR Airskipper 90+Vibe
JR G770T Gyro

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09-13-2007 07:53 PM  10 years agoPost 5
tim deakin

rrVeteran

gloucestershire uk

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Try it in normal rate mode and see if it's out of trim

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09-13-2007 07:54 PM  10 years agoPost 6
BJames111

rrElite Veteran

San Diego, California

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I think the set up in normal mode is the key. YOu have to set it up with the same headspeed you'll be running most of the time for it to work correctly.

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09-13-2007 10:13 PM  10 years agoPost 7
dumbflyer

rrApprentice

Pembrook Pines, FLorida

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Gentlemen I found the problem please once in a while check your 5.1 regulator is you are using on. I found that the problem kept getting worse. I was not to sure what to do. I took the completer avionics apart and powered the bird on and off and the poof. This happened.

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09-14-2007 01:21 AM  10 years agoPost 8
aviation

rrVeteran

Quebec Canada

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770 Gyro

This is great news, it is always better to really find the problem and now I just bet that new gyro works like a charm. Maintenance is the most common reason for many crashes as you were fortunate to find it. Sometimes a wire will rub on the carbon fibre frames and little by little a problem arrises with murphy winning.

aviation

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HelicopterRadio - Servo - Gyro - Gov - Batt › ok JR 770!! have a look at the 5.1 regulator.
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