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jnmeade
Joined: 27 Sep 2012
Posts: 12
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 Posted: Mon Mar 08, 2021 5:19 pm Post subject: Disable Rotax Internal Generator |
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Since I am adding a 40A external alternator to my Flight Design CTSW, I want to be able to disable the internal Rotax generator. My intention is to put a switch in the line of at least one of the wires to the G terminal on the Silent Hektik Voltage regulator.
1. Switch both wires or only one?
2. I'm not sure of the size of the existing yellow wire, but am thinking of using a 16AWG wire. It will be about 5' long and go from the VR on the front of the firewall to the instrument panel and back to the VR.
It is my plan to leave the CB engaged and normally leave the internal generator off by opening the switch in the yellow wire. If the 40A alternator goes bad I'd engage the internal generator.
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user9253
Joined: 28 Mar 2008
Posts: 1927
Location: Riley TWP Michigan
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| Posted: Mon Mar 08, 2021 7:55 pm Post subject: Re: Disable Rotax Internal Generator |
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Why not just switch the small gauge wire that goes to regulator terminal "C". It only carries signal
current (milliamps). Only one wire is required from terminal C to a switch to a fuse to the main power bus.
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