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HomeRC & Power✈️Aircraft🚁HelicopterRadio - Servo - Gyro - Gov - Batt › Futaba Gy611 setup/Bouncing Issue
09-04-2006 01:56 PM  14 years ago
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duceduc

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Saitama-Ken, Japan

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Futaba Gy611 setup/Bouncing Issue
Hello all. I have search about this topic and found nothing relating my issue. When I turn in both directions, the heli bounces back like a rubberband. It is more prononced at fast piro turns. Most of the topics and thread basically talks about the proper setup and not the issue I am having except with few.

My setup of the GY611 is as follows: ATV 126% both directions, gain is between 33 - 37%, mode is F3C, the servo arm measures at 17mm, and gyro is mounted with the provided tapes and plate. The heli is a Raptor 50.

I have tried changing numbers on the tracking function and the dalay on the gyro. I don't see any differnce in flight characteric nor did the problem dissipated.

If anyone have experienced this issue and can shed some light, please give us your inputs. Much thanks.
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09-04-2006 09:29 PM  14 years ago
Jasper7

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Birmingham , UK

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Hi ya

I had exactly the same thing, a little bounce back in the opposite direction to the piro. Same in both directions.

Went through the set-up again, all as recommended.

I then moved the Ball out further on the arm, fixed.

So try moving the ball out one more whole.Just think the input was a bit sooner and sharper, so the piro stop where you stopped the input, i.e more responsive,so no over shoot and adjustment back

Steve
Jasper 7
T-Rex 700N
T-Rex 600N
T-Rex 450Pro

Citizen Number: 00212
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09-05-2006 01:11 AM  14 years ago
duceduc

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Saitama-Ken, Japan

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The arm is at it's maxed unless I get a circlar horn. Further inspection of the heli, I noticed when moving the tail servo arm left and right in avcs mode, the servo moves back about 4mm. This is the cause of my bouncing movement at a hover. You may say it could be a defect on the servo and or gyro; however, I have 2 GY611 and both are doing the same thing.

I've tried other heli with a 601 and it does give alittle bounce, but not as noticeable as mine and it locks better.

Was there a step I missed before turning on the gyro for the first time when taken out of the box?

edited:

Here is more info I found about my gyro. When I move full rudder stick movement on both directions, I get full travel as set to the gyro atv. When I release the stick, the servo retracts back abit. It seems it goes back to the same place. If I reduce the ATV on gyro, it is less noticeable.

I have tried with with different channel just to eliminate channel 4 being bad. It reacts the same with when plugged in channel 1. As mentioned above, I have 2 gy611 and the problem is identical.

It appears my max atv travel inwhich I can set on the gyro is about 80% both directions. With this settings, I suspect I will have a slower tail respond movement.

Help please.
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10-10-2006 07:14 AM  14 years ago
ATHAM

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santa clara

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oh boy we have similar issue plus mine not having constant piro in fairly windy condition anyway i will try change the tail blades to diffrent one
this is on my trex 600....other than that problem everything just work very well
R90 SE YS91
trex600n YS50
trex450 v2 medusa
trex600 xl
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10-10-2006 02:37 PM  14 years ago
md3dnt

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france

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i had the same issue with my 611 but this was only in f3c mode
no problem on the f3d mode
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10-10-2006 03:08 PM  14 years ago
MrMel

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Gotland

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I have this issue on both my Logo 14 and my E-Raptor 50.

Ive tried many thing, nothing really helped fully, moving out on the servo horn helped a bit, but not fully.

I only get the bounce in one direction, the other is firm as hitting a brick wall.

in F3C mode its a bounce, in 3D mode its creeping back, distance travelled however is the same...
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HomeRC & Power✈️Aircraft🚁HelicopterRadio - Servo - Gyro - Gov - Batt › Futaba Gy611 setup/Bouncing Issue
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