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1. 04:47 AM - Re: Lightweight rechargeable battery backup unit (BobD)
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| Subject: | Re: Lightweight rechargeable battery backup unit |
Just as a follow up to the various posts on this and similar threads, here is the
schematic of the final wiring diagram I settled on.
The switch used incorporates a warning light when the Battery Backup is activated.
There are probably cheaper ones than that quoted (but I had a few spares from
my old panel, so no cost to me). The Battery Holder is cheap, and fitted into
a blank on my panel I had made for a potential Dynon AP at a later date.
Obviously, it does not provide a rechargeable option, but I took on board Bob's
calculations that if not used in anger, the batteries should be good for 12 months,
so test as part of pre-flight checklist, and replace batteries at Annual.
It is offered here with absolutely no warranty whatsoever, i.e. use at your own
risk.
I have yet to have the unit approved by the UK LAA.
Thanks to all those who contributed to the thread.
--------
Bob Dawson
XS TG || 912 ULS || G-NHRJ
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=470684#470684
Attachments:
http://forums.matronics.com//files/bbu_559.pdf
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