05-04-2014, 02:17 AM
|
#19 (permalink)
|
|
Master EcoModder
Join Date: Aug 2012
Location: northwest of normal
Posts: 28,755
Thanks: 8,161
Thanked 8,943 Times in 7,385 Posts
|
Thermos bottles aren't 2-3" thick. That's 8-12" out of the width of your pop-up. What would you have for a source of heat?
vacuum bead insulation - Google Search
|
|
|
|