robh@hyperion-ef.us wrote:
> If so, why add the weight and risk of a carbon monoxide sucking muff when
> there
is already ample warm (hot?) air available aft of the water and oil coolers?
According to NTSB accident data, such accidents are very rare. One fatality in
the last 5 years, meaning one in 150 million hours, and avg age of the fleet
is now 30 years. A heater shroud arrangement is a simple inspection item
annually,
if easy to remove, and exhaust can enter the cabin from other more common
leak sources like gaskets and slip joints.
Id be interested too, provided its for the 914. Theres little room around the
muffler
area, and if around the exhaust pipe, those pipes are kinda small. I curious
also if anyone using the air aft of the coolers can report it works when
outside temps aloft are down near 0-deg F.
Fred F.
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