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10-18-2004 12:23 PM  13 years agoPost 1
ammo

rrVeteran

Singapore

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I have setup my zoom with the rcmart gyro and it works very well when i'm hovering. doesn't drift much, and not much problem when i yaw the tail real slowly. but when i give it hard rudder and let go, instead of stopping and holding on the spot, it settles into a bounce? sort of like a rubber ball... i have to try my best to control the bounce to get it to stop...
it does not wag though, just "bounces" after hard commands.
I've already changed the rudder pushrod to direct carbon rod.
Anyone has an idea to what's wrong?

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10-18-2004 12:36 PM  13 years agoPost 2
CRAZYKEV

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Cincinnati,Oh -​U.S.A.

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Turn your gyro gain down the slightest bit you can until it stops. If you look at your gain knob as being 360 deg. I am talking about moving it 2-3 deg.

Kevin

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10-18-2004 12:44 PM  13 years agoPost 3
ammo

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Singapore

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Well like i mention it's not wagging. i've gone so low that the gyro doesn't hold at all but i still have that problem.

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10-18-2004 01:17 PM  13 years agoPost 4
CRAZYKEV

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Cincinnati,Oh -​U.S.A.

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The only other thing I can suggest trying a faster servo. I had that problem when I tried using a JR digital micro servo and it couldn't keep up with the gyro.

Kevin

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10-18-2004 01:20 PM  13 years agoPost 5
ammo

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Singapore

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seems like i'm the only one having this problem in this case....

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10-18-2004 02:36 PM  13 years agoPost 6
monts

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San Diego Ca

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Too low headspeed?

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10-18-2004 03:41 PM  13 years agoPost 7
ammo

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Singapore

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i think my headspeed is definitely high enough. i can get very powerful verts so i doubt it's that...

a discussion from a fellow flyer reveals that he also have the problem, but it only came about recently. running a 401 with delay maxed out. so i'm wondering could it be a worn servo?

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10-18-2004 07:28 PM  13 years agoPost 8
curlyq2000

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Hayden, Idaho

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Binding pitch slider

It could be you're pitch slider is binding after full movement.
I have seen this before.

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10-18-2004 08:47 PM  13 years agoPost 9
Spread out!

rrApprentice

cali

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running a 401 with delay maxed out
It could be your delay is maxed out.. Try about 25%

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10-18-2004 11:18 PM  13 years agoPost 10
turboomni

rrProfessor

East of the Equator

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I had that problem also

I use a CSM micro heaing hold gyro./\ I would turn the gain everywhichway and the tail would occilate back and forth.
I checked the tail slider and linkage and got everything better,,,same problem. I thought the servo had too much authority over the tail and would overcompensate in any action. Instead of the 10 mm distance from the center of the servo arm to where the pushrod goes [as said in the manual] I went IN one hole so it was between 7 to 8 mm instead.
VOILA!!! Solid tail and could bump up the gain.

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10-19-2004 03:23 AM  13 years agoPost 11
ammo

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Singapore

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Ok i will try that later on.
so that means the speed of servo reaction to the tail is slightly reduced. going thru my head, it seems like either the servo or gyro is not catching up with the other. theoritically, i couldn't think of a proper explanation at this point of time....

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10-19-2004 04:49 AM  13 years agoPost 12
turboomni

rrProfessor

East of the Equator

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No in my case it means servo reaction was TOO MUCH. Moving the linkage IN ONE HOLE WOULD MAKE THE REACTION LESS.

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10-19-2004 05:58 AM  13 years agoPost 13
ammo

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Singapore

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servo reaction too much?
i thought servo throws should be set to the maximum possible without binding. but travel limits shouldn't give that problem?

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10-19-2004 01:31 PM  13 years agoPost 14
turboomni

rrProfessor

East of the Equator

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That's what I thought too. For me going in one hole fixed it and there's still plenty of tail authority

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