| the HVAC designs of Mark Wall [message #333850] |
Fri, 22 June 2018 11:13  |
KB
Messages: 1262
Registered: September 2009
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Hi, I'm currently pondering the cockpit HVAC system, so looking at designs folks have done in the past.
Mark Wall did an interesting presentation in 2006, where he heavily modified the stock AC box, as well as the interior ducts:
https://www.gmcmi.net/wp-content/uploads/2013/02/HVAC-Systems.pdf
He also posted some pictures around 2009 of a very different box configuration, but it looked like a plywood prototype:
http://www.gmcmhphotos.com/photos/hvac-redesign/p30528-hvac-box.html
In the earlier one, he moved the stock blower to the front of the box so it pulls rather than pushes air to reduce the number of bends.
In the later design, he built a flat box with the stock blower on top, pulling air through both the evaporator and heater core at all times
and shooting the air straight through the firewall. I'm curious how that one worked; I'm thinking always going through the heater core might
reduce airflow somewhat, and of course you need a good heater core shutoff.
Does anybody know what Mark finally ended up with?
Getting hot here...
thanks,
Karen
1975 26'
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