OK, David. As a matter of fact, the Battery Box in my Seneca is made of
fiberglass. No titanium, though.
"David Lesher" wrote in message
...
writes:


So far there's one vote for aluminum, one for stainless, and one for
tin, eh?

No titantium or fiberglas?


Speaking of that, anyone figured out the purpose of the diode and
resistor
back there on that vintage PA-28? As near as I can tell from the
schematic, it allows
the alternator to slowly charge a completely dead battery with the master
off.
Then will allow the alternator/partially charged battery to close the
master and
charge it properly. Of course all this would require the alternator to
self-excite...
something I didn't think they were typically set up to do. Thoughts?

If the soft core of the armature retains some flux, it may well self
excite.

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