Roy Smith wrote:

Don't all planes?

I do not know. I interpreted the previous poster to imply that pilots
of all C182 models had to pull the carb heat if the front air intake
clogged. Thus, I offered what little aircraft knowledge I have about
the later fuel-injected models that do not have a carb heat or alternate
air lever inside the cockpit.

It's a prety common feature that the alternate air
door is spring loaded.

OK, I'll take your word for it.

Pulling the carb heat (or alternate air) knob
will pull the door open, but even without pulling the knob, if the
pressure differential gets too high (i.e. the intake is clogged), the
door will open on its own against spring pressure.

Roger.

--
Peter










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