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Always hot power for fuel injectors and ignition coils

 
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nuckolls.bob(at)aeroelect
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PostPosted: Sun Feb 16, 2020 7:36 pm    Post subject: Always hot power for fuel injectors and ignition coils Reply with quote

At 09:04 PM 2/16/2020, you wrote:
Quote:
--> AeroElectric-List message posted by: "cofford" <cofford(at)gmail.com>

Hi Bob,

Thanks for your thoughts. I plan on mounting my battery on the firewall, and the engine fuse block on the cabin side, near the battery and pass-through. The relay would be mounted to the battery box. I was not planning on adding any circuit protection devices to the engine bus relay feed.

Why the relay? Why not run all those engine
feeds off the main bus? That way, if the engine
is running, all the other stuff is running too . . .
and vice versa.

Then your task is simpler. Keep the main bus
hot . . . a goal that has been successfully
achieved on thousands of airplanes for
a long time.



Bob . . .


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nuckolls.bob(at)aeroelect
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PostPosted: Sun Feb 16, 2020 8:08 pm    Post subject: Always hot power for fuel injectors and ignition coils Reply with quote

At 09:04 PM 2/16/2020, you wrote:
Quote:
--> AeroElectric-List message posted by: "cofford" <cofford(at)gmail.com>

Hi Bob,

Thanks for your thoughts. I plan on mounting my battery on the firewall, and the engine fuse block on the cabin side, near the battery and pass-through. The relay would be mounted to the battery box. I was not planning on adding any circuit protection devices to the engine bus relay feed.

Why the relay? Why not run all those engine
feeds off the main bus? That way, if the engine
is running, all the other stuff is running too . . .
and vice versa.

Then your task is simpler. Keep the main bus
hot . . . a goal that has been successfully
achieved on thousands of airplanes for
a long time.



Bob . . .


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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:

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nuckolls.bob(at)aeroelect
Guest





PostPosted: Tue Feb 18, 2020 6:02 am    Post subject: Always hot power for fuel injectors and ignition coils Reply with quote

At 09:04 PM 2/16/2020, you wrote:
Quote:
--> AeroElectric-List message posted by: "cofford" <cofford(at)gmail.com>

Hi Bob,

Thanks for your thoughts. I plan on mounting my battery on the firewall, and the engine fuse block on the cabin side, near the battery and pass-through. The relay would be mounted to the battery box. I was not planning on adding any circuit protection devices to the engine bus relay feed.

Why the relay? Why not run all those engine
feeds off the main bus? That way, if the engine
is running, all the other stuff is running too . . .
and vice versa.

Then your task is simpler. Keep the main bus
hot . . . a goal that has been successfully
achieved on thousands of airplanes for
a long time.



Bob . . .


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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:

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nuckolls.bob(at)aeroelect
Guest





PostPosted: Tue Feb 18, 2020 6:02 am    Post subject: Always hot power for fuel injectors and ignition coils Reply with quote

At 09:04 PM 2/16/2020, you wrote:
Quote:
--> AeroElectric-List message posted by: "cofford" <cofford(at)gmail.com>

Hi Bob,

Thanks for your thoughts. I plan on mounting my battery on the firewall, and the engine fuse block on the cabin side, near the battery and pass-through. The relay would be mounted to the battery box. I was not planning on adding any circuit protection devices to the engine bus relay feed.

Why the relay? Why not run all those engine
feeds off the main bus? That way, if the engine
is running, all the other stuff is running too . . .
and vice versa.

Then your task is simpler. Keep the main bus
hot . . . a goal that has been successfully
achieved on thousands of airplanes for
a long time.



Bob . . .


- 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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