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Steve,
Most of the ones that I have seen put on aircraft are in the 50 to 65 amp range. I know Lancair Certififed was looking at a high amp model, 100 amps I think for use with the deicing system.
One thing to remember, the higher the current the bigger the wire. If your bird is set up for a 35 amp unit and you put in a 65 amp the wiring may be too small. Also you have a greater chance of cooking the battery.
My bird has a 60 amp and with everything on the load meter shows about 25 amps. This does no include the gear pump. One thing I do after start is run the engine for a couple of minutes, usally until I see a little oil temp befor I turn anything else on. It gives the battery a chance to catch up after the high draw start.
Anyway, check the wiring size before you put anyting larger in.
Ray . .
In a message dated 2/11/04 10:27:49 AM Central Standard Time, sreeves@sc.rr.com writes:
What is a good figure for an alternator rating? I am constantly adding new
electrical gadgets to my aircraft, and want to make sure that I have enough
power to drive everything without worry (landing lights..cockpit
lighting..everything else). I had one go bad in flight and had it
replaced, but I don't know what size it is. Thanks.
Steve
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