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nuckolls.bob(at)aeroelect
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 Posted: Wed May 13, 2009 5:34 am Post subject: Connecting a battery charger to a 2 battery system |
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At 08:45 AM 5/12/2009, you wrote:
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I'm also very interested in learning how to design / craft a method
for connecting a GPU to a 2 battery (Z-14) a/c. Experience has
taught me that notwithstanding my excellent memory and scrupulous
use of checklists that some gremlin inevitably sneaks into the
cockpit and turns the master on, while I'm out enjoying myself at a
distant airfield. If this happens at home field its less of an
issue, but when it happens away, =-O . Anyone done this, or have
some suggestions?
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Active notification of low voltage (nice flashing
light on panel) for each system is a good hedge against
leaving the master switch on. Also, oil pressure
switches can be used to control both an hour-meter
(oil pressure up) and and low pressure light (engine
stopped). Wiring a small buzzer in parallel with the
light helps too once the engine is stopped.
Bob . . .
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( . . . a long habit of not thinking )
( a thing wrong, gives it a superficial )
( appearance of being right . . . )
( )
( -Thomas Paine 1776- )
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BobsV35B(at)aol.com
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| Posted: Wed May 13, 2009 9:50 am Post subject: Connecting a battery charger to a 2 battery system |
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Good Afternoon Deems.
Bob Nuckolls Suggested:
"Active notification of low voltage (nice flashing
light on panel) for each system is a good hedge against
leaving the master switch on. Also, oil pressure
switches can be used to control both an hour-meter
(oil pressure up) and a low pressure light (engine
stopped). Wiring a small buzzer in parallel with the
light helps too once the engine is stopped."
We have such an arrangement on our Piper Pawnee glider tow plane.
Works great.
I have also seen a strobe light hooked up in the same manner. Most of us tend to make a loving last glance at our pride and joy before we abandon the scene. It is hard to walk away with the strobes firing!
Happy Skies
Old Bob
AKA
Bob Siegfried
Ancient Aviator
628 West 86th Street
Downers Grove, IL 60516
630 985-8502
Stearman N3977A
Brookeridge Air Park LL22
----------------------------------------)
( . . . a long habit of not thinking )
( a thing wrong, gives it a superficial )
( appearance of being right . . . )
( )
( -Thomas Paine 1776- )
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