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-   -   Aux battery location (http://www.vansairforce.com/community/showthread.php?t=157295)

Cwood2000 01-28-2018 06:32 AM

Aux battery location
 
I plan on PMags and was wondering where to locate the aux bat. Is there enough room on the inside if the firewall back to back with the primary bat?

M McGraw 01-28-2018 07:27 AM

Yes there is room
 
This is a PC680 mounted in the area you are interested. You will need to build the mount from inside the airframe because the access panel pictured is not part of the -14 kit.

Larco 01-28-2018 07:35 AM

Quote:

Originally Posted by Cwood2000 (Post 1235454)
I plan on PMags and was wondering where to locate the aux bat. Is there enough room on the inside if the firewall back to back with the primary bat?

Why are you planning a back up battery for use with Pmags? Just curious.

Cwood2000 01-28-2018 03:56 PM

Electronic ignition requires a aux electrical system

JDA_BTR 01-28-2018 04:37 PM

Best thing about the PMag is that it supplies it's own primary power once running; the ship battery becomes the backup and a third source is unneeded.

czechsix 01-28-2018 06:22 PM

Quote:

Originally Posted by M McGraw (Post 1235464)
This is a PC680 mounted in the area you are interested. You will need to build the mount from inside the airframe because the access panel pictured is not part of the -14 kit.

Marvin, why did you install the PC680 in that area instead of the stock kit location on the firewall?

M McGraw 01-28-2018 06:28 PM

PC680
 
Quote:

Originally Posted by czechsix (Post 1235607)
Marvin, why did you install the PC680 in that area instead of the stock kit location on the firewall?

I have two electrical systems. One on each side between the firewall and the subpanel. I have a 1/2 Raven installed where the battery would normally be on the firewall.

Cwood2000 01-29-2018 04:11 AM

Quote:

Originally Posted by JDA_BTR (Post 1235584)
Best thing about the PMag is that it supplies it's own primary power once running; the ship battery becomes the backup and a third source is unneeded.

That is good news, so I don't need a back up battery! Saves much weight
Thanks for. The info!

Carl Froehlich 01-29-2018 09:00 AM

Quote:

Originally Posted by Cwood2000 (Post 1235668)
That is old news, so I don't need a back up battery! Saves much weight
Thanks for. The info!

Yep - assuming you donít have an electric dependent panel for IFR flight.

Carl

Bevan 01-29-2018 11:59 AM

Quote:

Originally Posted by Cwood2000 (Post 1235454)
I plan on PMags and was wondering where to locate the aux bat. Is there enough room on the inside if the firewall back to back with the primary bat?

On the work bench. Sorry, but other than for engine starting, a small backup alternator (mounted on the vacuum pad) would be much better all the way around. Lighter, less maintenance, known useable capacity which doesnít deteriorate further as the battery ages.

Bevan.


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