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HELI SPINNING - 1/5/2013 10:53 PM   
helimaxx21


 

Posts: 4
Score: 100
Joined: 1/5/2013
Last Login: 1/15/2013
From: wauchula, FL, USA
Status: offline 		I HAVE 2 DIFFERENT HELI'S...AND THEY BOTH SPIN RAPIDLY TO THE LEFT,WHEN I HIT THE THROTTLE. WHAT COULD BE CAUSING THIS?

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RE: HELI SPINNING - 1/6/2013 2:07 AM   
john josey


 

Posts: 944
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Last Login: 5/19/2013
From: glasgow, UNITED KINGDOM
Status: offline 		Could be any number of things. Can you tell us what helicopters they are ?

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RE: HELI SPINNING - 1/6/2013 5:43 AM   
helimaxx21


 

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Joined: 1/5/2013
Last Login: 1/15/2013
From: wauchula, FL, USA
Status: offline 		  ONE IS A 26'' DOUBLEHORSE 9104.....THE OTHER IS A SMALLER,CHEAPER  PROPEL SKYFORCE.

            THANKS FOR YOUR TIME......

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RE: HELI SPINNING - 1/6/2013 6:45 AM   
KRASHKOPTER



Posts: 80
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Joined: 9/12/2012
Last Login: 5/23/2013
From: Coquitlam, BC, CANADA
Status: offline 		 I had a similar issue when I was still flying my DH 9117. It is identical to the 9104 cept for the swash and other *4-ch* related items. It turned out to be the tail motor was shot....replaced it and problem solved. 
Yours may be the same but I am a noob myself and am only offering what I experienced...hope this helps....]



KRASH


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MCPX, MQX, KDS-450C, HK-500GT, DX7S

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RE: HELI SPINNING - 1/6/2013 9:07 AM   
helimaxx21


 

Posts: 4
Score: 100
Joined: 1/5/2013
Last Login: 1/15/2013
From: wauchula, FL, USA
Status: offline 		 I WISH THAT'S ALL IT WAS........BUT,IT WORKS FINE.  THANKS FOR TRYING,AND YOUR TIME.

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RE: HELI SPINNING - 1/6/2013 5:00 PM   
john josey


 

Posts: 944
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From: glasgow, UNITED KINGDOM
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quote:

ORIGINAL: helimaxx21

  ONE IS A 26'' DOUBLEHORSE 9104.....THE OTHER IS A SMALLER,CHEAPER  PROPEL SKYFORCE.

            THANKS FOR YOUR TIME......


I have no experience with those heli's but if you bear with me, i'll have a look on-line and see if i can figure it out for you.

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RE: HELI SPINNING - 1/6/2013 5:12 PM   
helimaxx21


 

Posts: 4
Score: 100
Joined: 1/5/2013
Last Login: 1/15/2013
From: wauchula, FL, USA
Status: offline 		  SURE THING........I APPRECIATE,ANY AND ALL HELP  I CAN GET.

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RE: HELI SPINNING - 1/6/2013 7:05 PM   
john josey


 

Posts: 944
Score: 110
Joined: 1/6/2010
Last Login: 5/19/2013
From: glasgow, UNITED KINGDOM
Status: offline 		I've looked on-line and cant see any close-up pictures to see whats going on. You have two different helicopters with the same problem, that may be telling us something.

Do you use the same transmitter for both helis ?

Are the trim levers in the cantre on the transmitter ?

Where you fly them is it possible there may be hair or similar wound round the tail rotor shaft causing drag ?

It maybe that the motors are just weak through use and although work, are not strong enough to do the job any more.

Is the tail rotor still a tight fit on the shaft and not slipping ?



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RE: HELI SPINNING - 1/18/2013 5:01 AM   
jeeper80


 

Posts: 24
Score: 100
Joined: 8/4/2010
Last Login: 5/15/2013
From: Kekaha, HI, USA
Status: offline 		I have a similar issue with my Double Horse 9116.  I noticed for the past 2 days that it would twitch sideways a bit while hovering.  Finally, today it started really acting funny, spinning, etc., and now that's all it will do .  It will lift off but the tail rotor has no authority.  I changed the tail rotor/motor but no difference.  I am assuming the gyro went out so I ordered a new receiver. Hopefully that's the fix.  This things been crashed a lot and it's a wonder it's lasted this long.

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RE: HELI SPINNING - 1/18/2013 7:50 AM   
jeeper80


 

Posts: 24
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Joined: 8/4/2010
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From: Kekaha, HI, USA
Status: offline
quote:

ORIGINAL: jeeper80

I have a similar issue with my Double Horse 9116.  I noticed for the past 2 days that it would twitch sideways a bit while hovering.  Finally, today it started really acting funny, spinning, etc., and now that's all it will do .  It will lift off but the tail rotor has no authority.  I changed the tail rotor/motor but no difference.  I am assuming the gyro went out so I ordered a new receiver. Hopefully that's the fix.  This things been crashed a lot and it's a wonder it's lasted this long.

Well, I found the problem.  Apparently the original tail rotor motor was going bad.  The replacement rotor/motor did the samething (actually worse than the original) because I found that the factory wired the replacement backwards.  The tail rotor was spiinning CW instead of CCW as it should be.  I cut the wires and spliced them together in the corrrect polarity and the copter flies great now.

Just a follow up on my earlier post.  I don't intend to throw this thread off on a tangent.

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