Old 05-21-2014, 07:49 PM
Join Date: Dec 2006
Location: Fort Worth, TX
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There is no point in the discharge curve of an LiFe where it goes more than .2 volts above what a NiCd puts out when it's hot off the charger. Any RC component that can handle a 6v NiCd can handle a 2 cell LiFe.

But to answer your question, if you simply must spend money on an unneeded piece of equipment, a regulator sold for Lipos will work just fine with LiFe's too. A switching regulator is just a switch that goes on and off really fast to create a lower average voltage. It doesn't care what the battery chemistry is that supplies its power as long as it doesn't exceed the maximum voltage.

As for your servo, was this a new servo or new plane? Was there any chance it was binding which would make it overheat? Had you noticed any issues with it at all before this happened?
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