Sunday, March 30, 2014

Soda can stove extravaganza – Capillary Hoop Stove

I'm a big fan of DIY alcohol stoves. They're cheap, lightweight, efficient, and not terribly difficult to make. Until now I've used different iterations of Mark Jurey's Penny Stove. It's based on an air intake loosely covered by the penny in the middle and six jets on the outside. Alcohol poured into the middle primes the stove and once that has been used up the stove draws air through the center and starts the jet burn.

Old version of the penny stove, using the no longer available Heineken cans
In a discussion about coffee-making setups, someone mentioned a Japanese maker of a different type of soda can stove, the “capillary hoop stove.”

I spent a lot of time watching tetkoba's videos, and the both the design and the craftsmanship are amazing. By virtue of the capillary force, the jet burn starts almost immediately, and amazingly the stove stays cool to the touch. Today I bought a sixpack of V8 cans of the right size and will try to build a CHS myself. To be continued!

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