Today's Message Index:
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1. 01:00 PM - exhaust (FlyinK@efortress.com)
2. 07:42 PM - Re: exhaust (RLucka@aol.com)
Message 1
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--> Stratus-List message posted by: FlyinK@Efortress.com
I'm thinking of cutting the Stratus exhaust right after the elbows and extending
the
muffler/tailpipe back about 9-12". Any idea if this would affect performance?
I still need to rework my cooling system. It's ok flying in the winter but oil
temp still
lead water temps and it gets too high. I'd like to remove my nosegear and move
the
exhaust and tuck a radiator underneath behind the oil pan. I just tried to make
a
separate little duct under the oil pan but it didn't seem to do much. Temps from
yesterday when it was about 45 degrees F outside;
cruise
4000 rpm oil-220 wat-190
4800 rpm oil-240 wat-195
after 1000' climbs
5200 rpm oil-255 wat-210
Thanks for any info,
Gary
Message 2
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--> Stratus-List message posted by: RLucka@aol.com
In a message dated 2/15/2004 4:01:38 PM Eastern Standard Time,
FlyinK@efortress.com writes:
I still need to rework my cooling system. It's ok flying in the winter but
oil temp still
lead water temps and it gets too high. I'd like to remove my nosegear and
move the
exhaust and tuck a radiator underneath behind the oil pan. I just tried to
make a
separate little duct under the oil pan but it didn't seem to do much. Temps
from
yesterday when it was about 45 degrees F outside;
Hi Gary
I have a square hole in from of the bottom cowl that allows air to blast into
and around the oil pan, keeping the oil quite cool. In the winter time, the
oil temps never reach 180 and the water temps stay at about 195 (rpm = 4000).
I added two aluminum strips, one of each side of the hole on the cowling, to
restrict the air flow so the oil temps would not stay too low (I remove the
strips in the summer time).
I fabricated a piece of .016 sheet so it covers the muffler (there's a very
slight air gap between the sheet and the muffler) and deflect the air from
inside the engine compartment to the right side of the air exhaust from the bottom
of the cowling (as viewed from the front of the plane) and allow cool outside
air to enter the radiator from the left side of the bottom cowl. The idea is
to reduce the amount of heated air from the engine compartment going past the
hot muffler and into the radiator. This scheme has really helped with
cooling in the summer time, although I would still like to add a heater core to
give
me heat in the cabin in the winter and to deflect more heat from the engine
in the summer.
My Stratus really performs well in the wintertime. Engine still starts right
up even in cold days.
Hope this helps...
Dick (174 hours)
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