I'll take your work for it! Bizzare.
Mike
MU-2
"karl gruber" wrote in message
...
Mike,
******You are right of course but every pressurized airplane that I am
familiar
with uses air compressed by a turbocharger or turbine engine compressor
(pretty much the same thing.)******
I'm sure you are vaguely familiar with the King Air 90, A90, and B90. None
of these use bleed air for pressurization. They have a Roots supercharger
on
the left engine that supplies pressure for the cabin. Weird! Supposedly
the
FAA was concerned about bleed air into the cabin in early turboprops.
Best
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