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600 Class Electric Helicopters 600 Class Electric Helicopters manufactured by Align, Tarot, SYMA, Airhog, Chaos, HK and similar. |
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03-05-2013, 09:31 AM | #1 (permalink) |
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Join Date: Mar 2012
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Backwards gyro to lift heli question ...
Hi All
I had a friend give me an HK 600 flybarred heli to set up for him and I am encountering a strange problem that I have never seen before. With the main blades spinning clockwise and the tail blades spinning counter clockwise, the heli spins madly in a circle when I power it up. The gyro is set correctly so that when I pull the tail of the heli towards me spinning it in a counter clockwise turn, the pitch slider moves towards the boom as normal to counter act the turn. If I reverse the gyro so that it pushes the tail slider towards the blades when the heli is turned counter clockwise the it lifts and hovers fine. I also had to reverse the pitch slider direction to the opposite way to get the heli to yaw correctly as well. Meaning that the pitch slider moves towards the tail when I move the rudder stick to the left which is backwards as well. Any ideas or anyone encounter a backwards heli like this before? It has an Assan GA 250 gyro on it as well if that matters. |
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03-05-2013, 10:34 AM | #2 (permalink) |
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Join Date: Jun 2010
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Is it possible the belt needs turning/twisting and the tail blades reversing in the holders?
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03-05-2013, 10:37 AM | #3 (permalink) |
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Thread Starter
Join Date: Mar 2012
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The belt has the half twist creating the counter clockwaise rotation on the tail as the mains turn clockwise. The blades are in the correct direction as well. Thanks for the idea's though.
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03-05-2013, 06:31 PM | #4 (permalink) |
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Join Date: Jul 2010
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I'm not sure if this would cause it but are the tail blade grips backwards? Leading edge control vs trailing edge control or vise versa?
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Darren Yardbird 700, B-130x, T-Rex 600 Nite-Rex, T-Rex 800 and Oxy 2. |
03-06-2013, 07:07 AM | #5 (permalink) | |
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Thread Starter
Join Date: Mar 2012
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Quote:
Thank you for the advice !! |
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