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GrummanDude
Joined: 15 Jan 2006
Posts: 926
Location: Auburn, CA
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 Posted: Sat Oct 13, 2007 12:13 am Post subject: Over-Voltage relay |
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Here is a first
You know the over-voltage relay moounted on the firewall on 78 and 79
Grummans? Today I found one that had been by-passed. It was still
there, the input/output had been bridged with an in-line connector.
Very weird. The same plane had the ground on the microphone (the one
on the console) was wired to the ground on the speaker. Then, there
was a noise filter on the radio. This Tiger is getting an all new
Garmin stack. So, to make room for the new stack, I had to remove
everything. What a mess. Lots of installs and no complete removals.
This plane has a history of electrical gremlins. Both Coms have been
sent out for repair 5 times in two years. The transponder was inop
most of the time. The owner will be really happy with the new stuff.
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Gary
AuCountry Aviation
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flyv35b(at)minetfiber.com
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| Posted: Sat Oct 13, 2007 5:34 am Post subject: Over-Voltage relay |
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How do you bypass the VR and get any kind of voltage regulation? Did the
plane have an automotive alternator with an integral VR?
Cliff
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az_gila
Joined: 17 Jun 2006
Posts: 99
Location: Tucson, AZ
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| Posted: Sat Oct 13, 2007 7:37 am Post subject: Over-Voltage relay |
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Cliff... over-voltage protection, not regulation.
The regulator is still connected.... gil A
At 06:34 AM 10/13/2007, you wrote:
[quote]--> TeamGrumman-List message posted by: "flyv35b" <flyv35b(at)minetfiber.com>
How do you bypass the VR and get any kind of voltage regulation? Did the plane have an automotive alternator with an integral VR?
Cliff
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flyv35b(at)minetfiber.com
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| Posted: Sat Oct 13, 2007 7:46 am Post subject: Over-Voltage relay |
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I guess I read the email to fast! I've heard of the relay being by-passed when the Zeftronics ACU with the integral over voltage relay is installed.
Cliff
[quote] ---
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GrummanDude
Joined: 15 Jan 2006
Posts: 926
Location: Auburn, CA
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| Posted: Sat Oct 13, 2007 11:05 am Post subject: Over-Voltage relay |
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The OVER-Voltage relay was by passed. The voltage regulator was still
there.
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Gary
AuCountry Aviation
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