rene(at)felker.com
Guest
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 Posted: Tue Jul 05, 2011 12:36 pm Post subject: Alternator |
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Lost my alternator yesterday coming back from ABQ. I was about 150 NM (as
the crow flies) from Ogden (OGD). I have an 8 amp standby alternator and it
worked great. I turned off the FM radio, but left everything else running
(no lights) and the alternator kept up (between 1 and 2 amp drain) as long
as I was running cruse RPM. As I slowed down, the drain was higher. So,
this is the first "real" test of my standby alternator.
Here is my basic set up....
A battery in the standard location (925) with its own contactor
A battery on the firewall (680) with its own contactor
Vans 60 amp alternator in the standard position
B&C 8 amp alternator on the vacuum pump pad
I have one three way switch for the main battery and Alternator (off -
Battery - Battery/Alternator)
I have one three way switch for the backup battery and Alternator (off -
Battery - Battery/Alternator)
The only part I don't like about my system......I put the amp meter sensor
on the line going to the main battery. That means I do not really know what
is happening to the backup battery....from a charge/discharge point of view.
So, once the main Alternator failed...I decided to isolate the main battery
and run off the standby battery only, losing my charge/discharge reading. I
brought the main battery back on line when I contact Ogden tower for
landing......
FYI I have the old style Alternator Vans sold in the past, not the Plane
Power one they sell today.
Rene' Felker
N423CF
801-721-6080
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