On 8/11/2018 5:41 PM, Stef den Boer via KRnet wrote:
I am using also 2 batteries. Both are 7 amps but li-ion. Strong enough for my
engine. One is to start the engine with awg 8 and one as a backup for the fuel
pump and ignition with awg 12. One batterie gives me 20 min. So if I have a alt
failure I have at least 40 min flight time left.
Don't count on getting the full reserve out of the batteries as the
voltage will drop as the capacity is use. The lower voltage may not be
sufficient for the electronic ignition. Li-ion may hold a better
voltage than lead acid but take a look at Li-ph (lithium phosphate?) for
safety reasons, much more stable. Someone more educated on the subject
might offer better advise.
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