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Lipo battery straps broke on a 700E

rcmike

Veteran

Dickson, TN

Hey guys, I was flying my 700E yesterday and was doing a nose down spiral and had quite a bit of speed. I pulled the nose up pretty quickly and then the heli went boom! The blades just stopped and I saw some debris falling from it. I saw something falling that looked like it had a several foot long streamer attached to it. I got to the streamer part first and it was a battery that had went through the blades! There wasn't anything left of it to explode. The heli went into the woods but there was very little damage. One of the blades, a crack in the frame, canopy, and a tail blade. On inspection, the Align battery straps holding both batteries in had a clean break through them. I'm sure I have pulled out harder but I guess I just did it one too many times. This is what was left of the battery. I never did find the other one.


12-04-2011 Over year old.
Stephen Born

Elite Veteran

www.aerialskycam.com

Wow! That battery was destroyed. Never heard of straps breaking. Just another item to check before flight.

Team HeliProz
PerformancePlusRC
www.aerialskycam.com

12-05-2011 Over year old.
HOMEPAGE  
rcmike

Veteran

Dickson, TN

Yeah and I didn't even get a decent fire out of it. The blades stopped dead when they hit the battery. I thought I had a boom strike or something at first.

12-05-2011 Over year old.
rcflyerheli

Veteran

Granbury, TX USA

That precisely, is why I voted for and use the strapping tape to hold the packs which are mounted on the velcro and aluminum mount. I would sure hate to see something like your experience happen.

Goblin 700, Trex 700DFC, Gaui X7, Logo 600SX, Trex 600 Pro DFC; Vbar, SK720
Team HeliProz

12-06-2011 Over year old.
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Lipo battery straps broke on a 700E

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