I like the concept, I have seen many different designs and am planing on building one. I will make the fuel feed chute angled so that when the fuel burns it will self feed, as long as air can get under the fuel it will remain hot. Here is one of my favorite designs that would fit in an ammo can https://www.ebay.com/itm/Shadrach-V2-Portable-Rock...
Add a couple tablespoons of water pulse the leaves in the blender I use walnuts as they are more readily accessible and many pine nuts are from china.. The pesto sauce can be frozen in vacuum bags and defrosted quickly when you need it. I grow my own Basil and have large amounts of it in fall prior to freeze so I make many batches. Lasts all year. Nice instructable.
Haley's Teardrop Camper
http://www.harborfreight.com/1720-lb-capacity-48-in-x-96-in-super-duty-folding-trailer-62671 This one staes it is rated at 1720lb still folds and under 400.00
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