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nuckolls.bob(at)aeroelect
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 Posted: Wed Feb 03, 2016 5:31 am Post subject: Automatic way to turn On the Standby alternator |
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| Quote: | | Since I've never designed an aircraft electrical system, much less built one, I'll leave it others to advise whether you should be able to turn both alternators off. Bob? |
Smoke in the cockpit?
Bob . . .
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trigo(at)mail.telepac.pt
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| Posted: Wed Feb 03, 2016 6:52 am Post subject: Automatic way to turn On the Standby alternator |
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Bob
I imply from your (very short) answer that I must be able to turn off both alternators in flight, right?
Carlos
From: owner-aeroelectric-list-server(at)matronics.com [mailto:owner-aeroelectric-list-server(at)matronics.com] On Behalf Of Robert L. Nuckolls, III
Sent: quarta-feira, 3 de Fevereiro de 2016 13:27
To: aeroelectric-list(at)matronics.com
Subject: Re: RE: Automatic way to turn On the Standby alternator
| Quote: |
Since I've never designed an aircraft electrical system, much less built one, I'll leave it others to advise whether you should be able to turn both alternators off. Bob? |
Smoke in the cockpit?
Bob . . .
Este e-mail foi enviado a partir de um computador sem vírus protegido pela Avast. www.avast.com
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rene(at)felker.com
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| Posted: Wed Feb 03, 2016 7:19 am Post subject: Automatic way to turn On the Standby alternator |
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I would say yes. Most A/C have a master switch of some kind so that all power can be removed. Depending on how you wire it…..the master switch may or may not do the job.
I elected to have separate switches to control the Alternators. I can run them at the same time, but my backup is set lower so I am guessing it would never contribute as long as the primary was working. I also have extra battery power…..I really do not need an alternator to finish any reasonable flight. With a little load shedding I am good for 2-3 hours. Unless I lose my alternator on take off at night….I am all set for any flight I take.
BTW, I have tested this in real conditions twice and it works fine. I changed my alternator to a 70 amp version but did not change the breaker. I don’t know how because I do not have 70 amps worth of load, but the 60 amp break tripped twice on a long cross country when I transmitted shortly after takeoff. No problems since I upgraded the breaker. Both flights were completed on the backup battery with the main battery being used as a reserve. (main battery is a 925 and backup is a 680) I have an 8 amp backup alternator which does not keep up with basic load……but extends the flight time way past the fuel limit.
Rene'
801-721-6080
From: owner-aeroelectric-list-server(at)matronics.com [mailto:owner-aeroelectric-list-server(at)matronics.com] On Behalf Of Carlos Trigo
Sent: Wednesday, February 03, 2016 7:51 AM
To: aeroelectric-list(at)matronics.com
Subject: RE: RE: Automatic way to turn On the Standby alternator
Bob
I imply from your (very short) answer that I must be able to turn off both alternators in flight, right?
Carlos
From: owner-aeroelectric-list-server(at)matronics.com (owner-aeroelectric-list-server(at)matronics.com) [mailto:owner-aeroelectric-list-server(at)matronics.com (owner-aeroelectric-list-server(at)matronics.com)] On Behalf Of Robert L. Nuckolls, III
Sent: quarta-feira, 3 de Fevereiro de 2016 13:27
To: aeroelectric-list(at)matronics.com (aeroelectric-list(at)matronics.com)
Subject: Re: RE: Automatic way to turn On the Standby alternator
| Quote: |
Since I've never designed an aircraft electrical system, much less built one, I'll leave it others to advise whether you should be able to turn both alternators off. Bob? |
Smoke in the cockpit?
Bob . . .
Este e-mail foi enviado a partir de um computador sem vírus protegido pela Avast.
www.avast.com
| | - The Matronics AeroElectric-List Email Forum - | | | Use the List Feature Navigator to browse the many List utilities available such as the Email Subscriptions page, Archive Search & Download, 7-Day Browse, Chat, FAQ, Photoshare, and much more:
http://www.matronics.com/Navigator?AeroElectric-List |
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