Turnigy xt60 solder failure.

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Turnigy xt60 solder failure.

Postby nevertoooldfortoys » Sat Sep 29, 2012 11:00 pm

Thought it would be worth mentioning this as I have almost lost a heli and a fpv plane as a result of this issue.

I purchase turnigy 3s 2200mah's from HK and have now had 3 of them fail due to the soldering between the wires and the xt60 plug not being secure. A few days ago I was fpving (all electronics off one battery) and when i Landed i noticed i lost all video. The bumpy landing had been enough to dislodge the ground wire from the xt60 plug! On another occasion I was about to take off on my trex 450 and it just suddenly stopped working (another poor solder). Thankfully both failures have been while the aircraft have been grounded. The third failure was during charging.

Have i crashed with these batteries? No, so the problem could not be due to harsh treatment.

So i can only assume it is a manufacturing fault.

Have since removed heat-shrink on all my lipos and re-soldered the connections. Other batteries seemed OK but at least I know I won't have anymore surprises.

Haven't checked, but given the poor quality of soldering to the connecter, I wonder how well the three cells are soldered together?
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Re: Turnigy xt60 solder failure.

Postby iflylilplanes » Sun Sep 30, 2012 12:03 am

I will now check all the XT60's I did not install myself. Thanks for the warning.
Many Thanks,

Dave W.


Dead Stick Glide Distance: Half the distance from the airplane to the nearest emergency landing field.
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Re: Turnigy xt60 solder failure.

Postby kaptain_zero » Sun Sep 30, 2012 4:10 am

nevertoooldfortoys wrote:Haven't checked, but given the poor quality of soldering to the connecter, I wonder how well the three cells are soldered together?


I would suspect it's a single individual on the production line that dropped the ball and made a bad soldering joint. It is very unlikely that the same individual would be responsible for the soldering of the cells in the pack as that is a different process/chemistry and that soldering the XT60 is likely done as a sub assembly stage or at the very end of the pack production phase.... Still, it never hurts to check these things over. Even the best of us can occasionally produce a cold solder joint or not notice that all the flux has not come to the surface before plunging the wire into the socket... I know I've done it, and I know better! :mrgreen:

Regards

Christian
"I'd like to live as a poor man with lots of money."
-- Pablo Picasso
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