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Doug,
I had a similar conversation
with the tru trak guy at sun'n fun.
I don't remember the details but
I remember a) thinking it was better than I thought originally and b) still
being unconvinced this is the way to go.
I would point out, however, that
the tru trak is electric. I forget if it has its own battery or
not.
What I chose to do was have an
electric ai (with self contained battery)/electric hsi and backup vac ai and vac
dg.
So I have to lose (engine or vac pump) + (( both
electrical systems ) OR (both electric instruments)) to lose attitude
reference.
If I had cheltons I would probably put in vac ai
and vac dg. failing that I would put in a battery backed
ai.
Colyn
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