If I were to buy a rocket stove rather than make one, I would first consider the bio stove.
Here is a video review from my favorite person on YouTube. Hi highly recommend viewing his channel: http://www.youtube.com/watch?NR=1&v=-anFZdKDrBk&feature=endscreen.
The following is from http://www.biolitestove.com/homestove/overview:
“Using our patent-pending technology, BioLite has created a low-cost biomass cookstove that, by converting waste heat into electricity, reduces smoke emissions by up to 95% while simultaneously providing users with the capability to charge mobile phones and LED lights.”
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Update as of March 8th, 2014 – As of now, I do NOT recommend buying this product. So far it has not worked well enough for friends who have tried it out. I leave this post up in order to caution you, and also because I want to keep track of this technology. I have no doubt that this concept will eventually become all that is advertized and I look forward to that day.
Hemet Sunshine 