nuckolls.bob(at)aeroelect
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 Posted: Thu Sep 01, 2016 8:07 am Post subject: Z13/8 with EarthX battery and dual electronic ignition |
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At 02:09 PM 8/31/2016, you wrote:
| Quote: | 6 months ago I installed an EarthX ETX900 in my RV9A with Z13/8 and dual pmags. 385 hours TTAF and no failures to date.
I chose the ETX900 over the ETX680 because it is rated for a bigger alternator. The form factor is the same. Anyone contemplating the EarthX battery should be aware that the battery will accept all of the amps that the alternator is capable of producing. If you start on battery only and forget to turn on the alternator until the low voltage light comes on, then my Plane Power 60 amp alternator puts out 64 amps. It does not stay at that output for more than a minute but it is disconcerting. |
"Cool" alternators are generally capable of
more than nameplate rated output. As the
alternator warms to it's rated max operating
temperature, the output will fall to but hopefully
not below rated value.
This characteristic contributes to the "designed-
to-trip-b-lead-breaker" phenomenon . . . it is
normal.
Bob . . .
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