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1. 08:51 PM - That dang Tiger heat! (brewtoo)
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| Subject: | That dang Tiger heat! |
--> TeamGrumman-List message posted by: "brewtoo" <brewtoo@yyhmail.com>
1979 Tiger. I understand that heat coming in thru the pilot-side vent is a problem
on this aircraft.
The air from our left vent is nine to twelve degrees warmer than the right vent.
When it's 95 degrees OAT and the vent air is 105, well, you notice it. The cooling
air for the radios enters at about the same place...not good.
CHTs run 375-400 typically.
Here's what I've tried...sealed any tiny holes in firewall, no change. Completely
taped over every gap on the left side of the cowling - front to back, top to
bottom - tiny change, maybe two degrees. Moved the heater hose out from in front
of the left outlet in the bottom of the cowl which it was blocking. No change.
Climbing, descending, power changes, turning, slips...all can affect the vent temperature.
Sometimes there's a bit of an 'engine' scent. We do have a CO monitor.
It is quiet.
A friend has a '79 Tiger and he has no vent-heat issues. However, he does have
the ground adjustable cowl flaps. Ironically, his engine tends to run on the warm
side but ours does not.
So. Is this curable? I guess it will be great in the winter time but what about
the other 3/4 of the year?
Cowl flaps? Insulation in the bottom of the cowl, especially the left? Surely someone
has licked this problem.
Thanks,
Brewtoo
Hot, humid Alabama
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=55831#55831
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