Originally Posted By: EMPnotImplyNuclear
I've casually read these reports, and 30-40% fuel savings sounds achievable with a skirt + heat exchanger(fins)
Heat Flux Report
Finned Pots as a Means of Increasing Efficiency
Pot Skirt Investigation, ETHOS 2010

Yeah, but camping just doesn't seem manly when I wear a skirt. wink

Thanks for some interesting links.

Adventures In Stoving