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flyv35b(at)minetfiber.com
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 Posted: Tue Sep 25, 2012 7:02 am Post subject: Melted wire -- emergency bypass of the Master Solenoid? |
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On 9/25/2012 7:49 AM, 923TE wrote:
| Quote: |
A mechanically operated contractor next to the battery that is operated from the cockpit would make it protected
http://www.flamingriver.com/index.php/products/c0015/s0004/FR1003-2
On Sep 25, 2012, at 9:24 AM, n76lima(at)mindspring.com wrote:
>
>
>>> So the only thing I have to watch for now is if there is an -intermittent- short in the relay that only appears when I'm at 8500 >>feet, at night, not near any suitable landing sites :-/
>
>> A good reason to have an emergency buss directly off the battery,
>> bypassing the master switch and relay.
>
> Hmmm, would this be a large switch/circuit breaker that was connected by a heavy gauge wire to the battery? How would one go about protecting such a circuit from the battery to the panel mounted switch? I'd want it carefully planned and double insulated, perhaps running through some firesleeve, to prevent any chafing at the firewall penetration, passing the controls, etc. enroute to the switch.
>
> Would make a great arc welder should it ever find a ground...
>
> --Bob Steward
> Birmingham, AL
>
>
Simpler than that. Just mount a fuse close to the battery that is sized
|
to protect the wire you are running through the firewall to the breaker
switch, which is sized to open BEFORE the fuse blows. Run the wire
through fire sleeve or even through aluminum tubing attached to a
bulkhead fitting in the firewall. The only wire that is unprotected
would be the very short wire from the fuse to the battery or battery
buss bar. The essential items can be supplied from a separate buss
which can be fed from the normal buss through a diode. Check out Bob
Nuckols circuit diagrams.
Cliff
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Discover
Joined: 26 Feb 2007
Posts: 429
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| Posted: Tue Sep 25, 2012 7:12 am Post subject: Melted wire -- emergency bypass of the Master Solenoid? |
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That's kind of what the wire running from the fuse block next to the battery that goes to the overhead lights is.....
| Quote: | >
>
Simpler than that. Just mount a fuse close to the battery that is sized to protect the wire you are running through the firewall to the breaker switch, which is sized to open BEFORE the fuse blows. Run the wire through fire sleeve or even through aluminum tubing attached to a bulkhead fitting in the firewall. The only wire that is unprotected would be the very short wire from the fuse to the battery or battery buss bar. The essential items can be supplied from a separate buss which can be fed from the normal buss through a diode. Check out Bob Nuckols circuit diagrams.
Cliff
|
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teamgrumman(at)yahoo.com
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| Posted: Tue Sep 25, 2012 10:29 am Post subject: Melted wire -- emergency bypass of the Master Solenoid? |
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Or like the AG5B: mount about 7 fuses on the firewall and run it to the main buss. one for every radio you want to operated separately. Let's really complicate the wiring so that we all have the same electrical gremlins the AG5Bs have.
Seriously. Is this a big problem? I don't think so.
From: flyv35b <flyv35b(at)minetfiber.com>
To: teamgrumman-list(at)matronics.com
Sent: Tuesday, September 25, 2012 8:01 AM
Subject: Re: Re: Melted wire -- emergency bypass of the Master Solenoid?
--> TeamGrumman-List message posted by: flyv35b <flyv35b(at)minetfiber.com (flyv35b(at)minetfiber.com)>
On 9/25/2012 7:49 AM, 923TE wrote:
| Quote: | --> TeamGrumman-List message posted by: 923TE <923te(at)att.net (923te(at)att.net)>
A mechanically operated contractor next to the battery that is operated from the cockpit would make it protected
http://www.flamingriver.com/index.php/products/c0015/s0004/FR1003-2
On Sep 25, 2012, at 9:24 AM, n76lima(at)mindspring.com (n76lima(at)mindspring.com) wrote:
> --> TeamGrumman-List message posted by: n76lima(at)mindspring.com (n76lima(at)mindspring.com)
>
>>> So the only thing I have to watch for now is if there is an -intermittent- short in the relay that only appears when I'm at 8500 >>feet, at night, not near any suitable landing sites :-/
>
>> A good reason to have an emergency buss directly off the battery,
>> bypassing the master switch and relay.
>
> Hmmm, would this be a large switch/circuit breaker that was connected by a heavy gauge wire to the battery? How would one go about protecting such a circuit from the battery to the panel mounted switch? I'd want it carefully planned and double insulated, perhaps running through some firesleeve, to prevent any chafing at the firewall penetration, passing the controls, etc. enroute to the switch.
>
> Would make a great arc welder should it ever find a ground..
>
> --Bob Steward
> Birmingham, AL
>
>
Simpler than that. Just mount a fuse close to the battery that is sized
|
to protect the wire you are running through the firewall to the breaker
switch, which is sized to open BEFORE the fuse blows. Run the wire
through fire sleeve or even through aluminum tubing attached to a
bulkhead fitting in the firewall. The only wire that is unprotected
would be the very short wire from the fuse to the battery or battery
buss bar. The essential items can be supplied from a separate buss
which can be fed from the normal buss through a diode. Chp; &n
[quote][b]
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andrew(at)entro.com
Guest
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| Posted: Tue Sep 25, 2012 12:08 pm Post subject: Melted wire -- emergency bypass of the Master Solenoid? |
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I have an Aera 550, an Ipad and a portable Intercom which all need power from the cigarette lighter. Has anyone installed multiple power outlets, where the existing outlet is? I currently use a three outlet adapter which keeps popping out just enough so as not to charge anything.
Andrew Kuzyk
On Sep 25, 2012, at 2:29 PM, Gary Vogt wrote:
[quote]Or like the AG5B: mount about 7 fuses on the firewall and run it to the main buss. one for every radio you want to operated separately. Let's really complicate the wiring so that we all have the same electrical gremlins the AG5Bs have.
Seriously. Is this a big problem? I don't think so.
From: flyv35b <flyv35b(at)minetfiber.com (flyv35b(at)minetfiber.com)>
To: teamgrumman-list(at)matronics.com (teamgrumman-list(at)matronics.com)
Sent: Tuesday, September 25, 2012 8:01 AM
Subject: Re: Re: Melted wire -- emergency bypass of the Master Solenoid?
--> TeamGrumman-List message posted by: flyv35b <flyv35b(at)minetfiber.com (flyv35b(at)minetfiber.com)>
On 9/25/2012 7:49 AM, 923TE wrote:
| Quote: | --> TeamGrumman-List message posted by: 923TE <923te(at)att.net (923te(at)att.net)>
A mechanically operated contractor next to the battery that is operated from the cockpit would make it protected
http://www.flamingriver.com/index.php/products/c0015/s0004/FR1003-2
On Sep 25, 2012, at 9:24 AM, n76lima(at)mindspring.com (n76lima(at)mindspring.com) wrote:
> --> TeamGrumman-List message posted by: n76lima(at)mindspring.com (n76lima(at)mindspring.com)
>
>>> So the only thing I have to watch for now is if there is an -intermittent- short in the relay that only appears when I'm at 8500 >>feet, at night, not near any suitable landing sites :-/
>
>> A good reason to have an emergency buss directly off the battery,
>> bypassing the master switch and relay.
>
> Hmmm, would this be a large switch/circuit breaker that was connected by a heavy gauge wire to the battery? How would one go about protecting such a circuit from the battery to the panel mounted switch? I'd want it carefully planned and double insulated, perhaps running through some firesleeve, to prevent any chafing at the firewall penetration, passing the controls, etc. enroute to the switch.
>
> Would make a great arc welder should it ever find a ground...
>
> --Bob Steward
> Birmingham, AL
>
>
Simpler than that. Just mount a fuse close to the battery that is sized
|
to protect the wire you are running through the firewall to the breaker
switch, which is sized to open BEFORE the fuse blows. Run the wire
through fire sleeve or even through aluminum tubing attached to a
bulkhead fitting in the firewall. The only wire that is unprotected
would be the very short wire from the fuse to the battery or battery
buss bar. The essential items can be supplied from a separate buss
which can be fed from the normal buss through a diode. Chp; &n
| Quote: |
href="http://www.matronics.com/Navigator?TeamGrumman-List">http://www.matronics.com/Navigator?TeamGrumman-List
href="http://forums.matronics.com/">http://forums.matronics.com
href="http://www.matronics.com/contribution">http://www.matronics.com/contribution
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NOTICE OF CONFIDENTIALITY. This communication, including any information transmitted with it, is intended only for the use of the addressee(s) and is confidential. If you are not an intended recipient or responsible for delivering the message to an intended recipient, any review, disclosure, conversion to hard copy, dissemination, reproduction or other use of any part of this communication is strictly prohibited, as is the taking or omitting of any action in reliance upon this communication. If you received this communication in error or without authorization please notify us immediately by return e-mail or otherwise and permanently delete the entire communication from any computer, disk drive, or other storage medium. [quote][b]
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