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Date: Tue, 09 Sep 2014 07:42:01 -0400
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From: George Wehrung <gw5@me.com>
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Subject: Cabin Heat Valve Installation

Can anyone send pics and or installation instructions for the cockpit heat v=
alve located on the engine side of the firewall?

I and Lancair have tried to find the install manual but the only ones availa=
ble are for the pressurized ES' and IVs which use a turbo setup. The one we h=
ave is taking the heat from the exhaust muffler into tube facing the engine c=
ompartment and venting through the downward tube of the T shape valve.  The p=
roblem that I see is if the valve is cracked open because it did not fully c=
lose is that heat is still coming into the cabin.=20

If I reroute the heat from the bottom the valve would have to be opened quit=
e a bit to allow heat in.=20

Also, has anyone thought about bringing in outside air through the engine co=
mpartment to behind the instrument panel to help cool the avionics?


Sent from my iPad=