Originally Posted by
syseng68k
Greater temp range is just an engineering problem, but to have such failures so early in the life cycle suggests a design issue / inadequate development and testing.
Sure. Given prior art when it comes to introducing new technologies to aviation, I suspect it will be some combination of factors, possibly related to environment and power/charging regulation that somehow either slipped through the cracks when the certification specs were drawn up or was hitherto unknown.
I think gums said something about li being used in some mil a/c. It's
also used in some Airbus models, fwih. Wonder what their experience is
and if they have had any problems ?.
Given that even the most modern US military jets were specified and designed upwards of two decades ago, I suspect that the LI batteries were a proposed modification that came later in the development lifecycle. Airbus do use LI batteries on some later models, but as far as I recall to nowhere near the same degree. I'm sure someone will correct me if I'm mistaken.