On 24 Sep, 15:35, Grimly Curmudgeon
wrote:
We were somewhere around Barstow, on the edge of the desert, when the
drugs began to take hold. I remember Chris J Dixon
saying something like:

I'd be very surprised if the fire didn't have a dedicated air inlet
pipe.

Indeed it does. You can see it on some of the photos on
http://www.aipassivhaus.com/blg-june10.html

Cheers.

I wonder what the pipe connections are?