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ceengland7(at)gmail.com
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 Posted: Sat Apr 25, 2020 12:38 pm Post subject: Fwd: Fusible links |
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Not yet tested in the heat of battle, but this is what I did for a pair of 55A Denso IR alts using contactor protection. Blue are #12 fuselink; pair of red #8 exiting the pic at the top go to the alts.
As shown, one alternator feeds the main bus via load side of master contactor; the other alternator feeds the engine bus directly, from the battery via source side of master contactor. The engine bus alt will be considered backup, but I wanted one alt tied to the engine bus so I could keep active charging in the (admittedly very unlikely) event of 'total electrical failure' of the main bus side of things.
Sorry for the weird perspective; best I could do with the engine sitting in the way. All the contactors are mounted in the prop governor recess in an RV-7 firewall.
Electronic fuel injected engine. Using identical alts because they would fit, no load shedding needed, and the little 20A dynamos are only ~2 lbs lighter than the Denso 55A.
Charlie
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nuckolls.bob(at)aeroelect
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| Posted: Sun Apr 26, 2020 1:14 pm Post subject: Fwd: Fusible links |
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At 03:34 PM 4/25/2020, you wrote:
| Quote: | Not yet tested in the heat of battle, but this is what I did for a pair of 55A Denso IR alts using contactor protection. Blue are #12 fuselink; pair of red #8 exiting the pic at the top go to the alts.
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<snip>
Nifty installation!
Bob . . .
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