Used UDI U13A won't fly - RCCanada - Canada Radio Controlled Hobby Forum
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Old 08-24-2014, 08:34 AM   #1
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Used UDI U13A won't fly

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We just got an used UDI R/C U13A helicopter, and we can't make it fly. It's our first helicopter, but i've made it fly when it was my uncle who have it. But now that he gave it to us, we can manage to make it fly. I've changed blade, but it won't fly neither. I was wondering if there's a way to know if it's the battery who's not powerful enough or does any part could be in problem when it's look pretty perfectly in shape.

Thank you
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Old 08-24-2014, 10:06 AM   #2
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Re: Used UDI U13A won't fly

Can u post a video of it trying to fly or a detaild explanation of what is happening?

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Old 08-24-2014, 11:42 AM   #3
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Re: Used UDI U13A won't fly

A friend of mine had one of those, the pinion gear came off of one of the motors so one set of blades was not receiving power from the motor.
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