nuckolls.bob(at)aeroelect
Guest
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 Posted: Fri Aug 05, 2011 4:03 am Post subject: Questions about protecting the 4AWG wire in a remote batte |
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At 12:59 PM 8/4/2011, you wrote:
| Quote: |
List,
I looked through the book and searched the archives, but can't find an
answer to my question:
I want to mount the battery under the seat and the contactors on the
firewall. In order to do this I'll need to run 4awg wire about 6 feet.
From the master contactor I'll run another 4awg wire to the starter
contactor and I'll terminate my panel feed directly onto the master
contactor.
I don't see any circuit protection in any of the drawings, but it feels
wrong to not have a wire that large running that distance unprotected.
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You're right. That's why battery contactors are at the
battery . . . else they are not 'battery contactors'.
| Quote: | Would be be ok to build a fusible link out of some 6awg wire that is
only 3" long or would that cause to much voltage drop for the starter?
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No . . . battery disconnect at the battery is a crash
safety idea . . . we don't run always-hot, high-current
feeders right of the battery in TC aircraft.
| Quote: | Another option is to mount the contactors under the seat with the
battery and run a 10awg wire up to the panel and install a fusible link
on that wire.
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Why not take the bus feeder off the starter contactor?
Bob . . .
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