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New Member from US
Tags: Syma X9
Syma Freak
March 1, 2012 - 3:14 pm
Member Since: November 26, 2010
Forum Posts: 1437
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Evman Great fix.welcome here and thank you for some great advice.I have had a few problems with cold solder joints myself and did the same but did not post it -Good on you!

"Fly like a butterfly sting like a Syma" http://syma107.com

March 1, 2012 - 10:43 am

I am a new owner of an s109g and a s107g. The 107 has already survived a rather vicious cat attack which required rotor blade work, but I would to tell everyone about a problem that I had with the 109. After several flights I had a moderate crash which caused no physical damage, but I now had no yaw control, it would simply spin right or left depending on throttle setting. It seemed as though the gyro was no longer working. I disassembled the heli and took a close look at the circuit board. I found a cold and cracked solder joint at what I assume is the gyro chip. A little touch up with a low wattage iron and it flies like new. I don't know if anyone else has had a similar issue, it seems like most problems are due to physical damage. Hope this helps someone.

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