nuckolls.bob(at)aeroelect
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 Posted: Tue Sep 06, 2011 8:54 pm Post subject: Initial experience with dual Odyssey PC680s powering R |
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Well, the AGM rated Schumacher would have probably saved me... but I
just bought one 2 days ago....
Maybe not. I've often suggested that builder's
do their shop testing with a tired car battery
supported by a switchmode power supply plugged into
the wall. Don't spend a time on flight batteries
until the day before ground runs in preparation
for first flight.
Where I am now is that I have 3 batteries of varying degrees of health.
Two of them look like they will start the engine better than number
3, so number 3 goes to the graveyard. I'll continue to use these 2
thru my abusive Phase 1 work, and continue to top them off with the
Schumacher AGM-capable charger as needed.
If those are testing under 200A, they're not
even flight worthy. I'll bet they cap-check at
under 50% of new.
When I get to Phase 2, a fresh battery will be added in the
Starter position, and my best number 2 will work the panel. From
there I can start a regular new>batt1>batt2>dumprecyclebin rotation.
Given the LS /non-LS Skytech/B&C starter issues, I'm looking forward
to seeing how 'snappy' my fresh battery will be.... maybe a different
starter will improve things even more.
That's pretty much a given.
.. but more important, now I have some quantifying tools to track
conditions and analyze performance. I intend to log each battery's
condition periodically so I can see what the hell is going on. Right
now I have stickies all over my batteries with date, time, condition,
and tester results. If you don't get some numbers and write them
down, you aren't really doing anything.
You got it.
Bob . . .
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