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All Forums >> RC Helicopters >> Electric RC Helis >> E-Flite Helicopters >> Problems with a CX2
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Problems with a CX2 - 3/4/2007 4:02:09 AM   
t9dragon



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I got a used CX2 and both the lower and upper blades spin the same direction. My son has a CX and the upper and lower blades sin in the opposite directions.
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RE: Problems with a CX2 - 3/4/2007 7:57:08 AM   
ndoren



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You will have to unplug and reverse the motor lead for whichever motor is spinning backwards. Use the CX as your model, for which blades should spin which direction. It's a 5 minute job, if that.

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RE: Problems with a CX2 - 3/4/2007 12:26:05 PM   
soloboss


 

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The leading edge of the blade is the straight edge, not the curvy edge. Make sure the previous owner didn't put the same blades on the upper and lower positions. As silly as it sounds, it happens.

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RE: Problems with a CX2 - 3/4/2007 2:45:18 PM   
Wnuk



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On the CX2, the upper blade spins counterclockwise & the lower clockwise.

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RE: Problems with a CX2 - 3/4/2007 5:21:19 PM   
t9dragon



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Okay got the blades rotating the right directions. Now when the heli is facing me as I give it full throttle it leans to the right and tips over.

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RE: Problems with a CX2 - 3/4/2007 11:12:18 PM   
NitroBobby


 

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that sounds like your trim is out of wack. try moving the trim lever under the right control stick (cyclic? collective? i can never remember which is which) to the left. you should see noticable improvement. if you reach the limit of the trim's adjustability, you will need to adjust the linkage. to do this, re-center the trim lever and watch the control linkage. if the linkage goes down when you center, disconnect the linkage from the ball and rotate the linkage end to make it longer. just one turn at a time. reconnect the linkage and try again. if the linkage moved up initially, then you'll have to shorten the linkage. you should get the idea. a little trial and error will yield great dividends since this type of control is pretty common to these helis.

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RE: Problems with a CX2 - 3/4/2007 11:13:25 PM   
NitroBobby


 

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i may have got the direction backwards, if it is tipping to YOUR right, then it is the HELI's left...so trim right.

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RE: Problems with a CX2 - 3/5/2007 12:10:51 AM   
t9dragon



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Okay.

I disconnected the servos and it still leans to the right (when nose is pointed at you)
I recentered the servos.
Tried it again and it still leans to the right (when nose is pointed at you)

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RE: Problems with a CX2 - 3/5/2007 12:34:53 AM   
Wnuk



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Look at your heli from behind it. The servo on the right will control your left/right yaw. If yuo are tipping to the right with the nose pointing to you, then you are tippin left with the nose away from you. Take the clevise of the right side servo off of the swash plate, turn it clockwise 1 complete turn, reinstall the clevise and try it again. You may have to do this a time or two till the heli stays where you want it. Let us know how you make out.

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RE: Problems with a CX2 - 3/5/2007 12:36:43 AM   
t9dragon



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What is the clevise?

Do you have instant messenger?

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RE: Problems with a CX2 - 3/5/2007 2:07:48 AM   
Wnuk



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The clevice is the little circular part that attaches the servo rod to the swashpalte.

Picture this: The servo arm is attached to a rod that goes up to your swashplate. At the tip of the rod is a small, plastic piece with a circular hole in it that is threaded onto the rod from the servo. Te circular parts snaps onto a ball shaped piece on the swashplate. This is the clevice and can be unsnapped from the ball on the swash plate.

Hope that explains it better.

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RE: Problems with a CX2 - 3/5/2007 2:27:02 AM   
t9dragon



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Okay.

In the rc cars those are called tierods & ballcup.

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RE: Problems with a CX2 - 3/5/2007 3:39:51 PM   
NitroBobby


 

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same idea. in the cars they are a cup, but on these they are a ring. thus the new name. same function though.

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RE: Problems with a CX2 - 3/5/2007 4:10:13 PM   
t9dragon



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Okay guys, I checked everything still having the same problem. So I unplugged the servos and it still does the same thing. I'm going to go to the LHS this morning and see what have to say.

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RE: Problems with a CX2 - 3/5/2007 4:22:19 PM   
NitroBobby


 

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LHS...always a good call.

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RE: Problems with a CX2 - 3/5/2007 4:26:12 PM   
t9dragon