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Home✈️Aircraft🚁Helicoptere-AlignT-REX 550 › 550 tail wag
04-25-2014 10:47 PM  6 years ago
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charleshodge

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spring hill fl

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550 tail wag
Just rebuilt crashed t 550 and replaced bear rings,all gears,boom,torque tube,balanced blades,went through micro beast and everything u can think of to try to stop tail wagging .is almost bad enough to were u can get it in the air. What possibly can it be? Been trying for 3 days now I took apart and assembled at least 7 times now .its not making any sense.is not a gain issue ,it does it on any gain setting just the same ,no more no less.any help will be appreciated . Thanks
charles hodge
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04-25-2014 10:56 PM  6 years ago
Funky Trex

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Westerville, OH - USA

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Are you sure the gain settings are effecting the gyro? Can you see the gain changing on the Beastx as you adjust the gain level in the TX? Is there a chance the gyro gain is on a different channel?
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04-25-2014 11:56 PM  6 years ago
charleshodge

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spring hill fl

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Sorry pmd accident, lights move on FBI. Settings are correct on tax.don't know what to do.possibly servo even though ain't stripped is cause?trying to trade n.I.p. 250 parts for a used tail servo just to try it out so when I get one I'll find out. Might try to switch around a cyclic with the rudder just to seecharles hodge
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04-25-2014 11:59 PM  6 years ago
DemetriusUSN

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Virginia Beach, Va USA

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Is it FBL,if so what gyro are you using?? Also list the equipment on the heli.Minicopter Triabolo 700, Minicopter Diabolo 700, Minicopter Diabolo 600, Minicopter Diabolo 550, Goblin 770, HD 750, HD Cell 500
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04-26-2014 12:44 AM  6 years ago
charleshodge

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spring hill fl

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tail wag
Microbeast,spektrum rx,ds610 cyclic,ds650 rudder,dx9 tx. Cc90,600mx,beast lights are responding to gain adjustments
charles hodge
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04-26-2014 01:17 AM  6 years ago
DemetriusUSN

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Virginia Beach, Va USA

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Did you set the tail gain according to the manual?Minicopter Triabolo 700, Minicopter Diabolo 700, Minicopter Diabolo 600, Minicopter Diabolo 550, Goblin 770, HD 750, HD Cell 500
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04-26-2014 01:22 AM  6 years ago
DemetriusUSN

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Virginia Beach, Va USA

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What is your measurement on your tail servo from center of the screw to the center of the ball joint?Minicopter Triabolo 700, Minicopter Diabolo 700, Minicopter Diabolo 600, Minicopter Diabolo 550, Goblin 770, HD 750, HD Cell 500
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04-26-2014 01:25 AM  6 years ago
charleshodge

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spring hill fl

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Tried 12.5mm like it was before rebuild with same servo,also tried dropping down a hole with no result.charles hodge
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04-26-2014 01:34 AM  6 years ago
DemetriusUSN

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Virginia Beach, Va USA

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The manual says ideal is 13mm, try it.Minicopter Triabolo 700, Minicopter Diabolo 700, Minicopter Diabolo 600, Minicopter Diabolo 550, Goblin 770, HD 750, HD Cell 500
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04-26-2014 01:35 AM  6 years ago
Flys4Fun

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new mexico

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u either busted your gyro sensor or tail servo in the crash.
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04-26-2014 02:12 AM  6 years ago
JEEPWORLD2002/2

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Blue Bell, Pa

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Well how about your rpm ? Have you tried adjusting your gov settings? I had a cc gov issue causing wags on a ep Heli few yes ago ? also what are you using to secure the beastx ? I prefer zeal gel on my gyro some foam is to secure or some use a strap n make the sensor to tight.

Another thing to look at is the gear n pinion mesh OR gear to tail drive gear mesh ? Do you gears get tight at one spot ? Or perfect all the way around ? Does the Heli have any vibes. ??

Can u post a vid of the wag ?
Trex600n,Trex500,MR25,MikadoLoGo5003d/KDE,Goblin 380XNova,CastleCreations,Ys,JR XG8,Tags Mini XBus Dmss//FAA# FA3NYC9TAP
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04-26-2014 02:34 AM  6 years ago
charleshodge

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spring hill fl

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Gears are smooth mesh all around.don't use gov. Have beast secured with 3m mount tape and velcroed.i think its either gyro sensor or rudder servo like dude said the stabilize fin is giving like crazy when it wagging like crazy.I'll take a bid Tommy. And post it and you can tell me what you think.if anyone has a tail servo they'll trade for 250 parts n.I.p.let me know cause I just rebuilt this whole 550 and don't have a dollar for weeks and already been down 2 weeks and would be out of buissness without one.got all kinds of parts,deff, will hook up whoever with 100 dollars in parts for a 40 dollar servo.any help will be more then appreciated.charles hodge
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