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Old Jan 19, 2013, 08:46 AM
Ken Lilja is offline
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I'm slow but I'm expensive
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United States, GA, Snellville
Joined Nov 2003
599 Posts
In an early electric plane, I had a ni-cad melt down. Ni-cad batteries were used because they had lower internal resistance than lead acid. Aircraft ni-cads requires a temperature monitoring gauge on the instrument panel to prevent thermal runaway. The maintenance required is very extensive also.
I do not know how many Volt cars have had fires in the wild. When crash testing one did burn up. 3 weeks after the test. They did not disconnect the battery as required by the manufacture. All other cars get the gas drained and battery disconnected right after the test. And remember that electrical fires destroy a lot of cars every year.
LiP batteries burn. So does gas and kerosene. About the only thing that does not ignite easily is glow fuel.
For sailplnes we can have a LiPo fire or a fire from a shorted, red hot wire, from any type of battery.
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