Heat gun and thermos coffee roaster

John Edgar Park

John Edgar Park likes to make things and tell people about it. He builds project for Adafruit Industries, Boing Boing, and Make. He has ninja warrior goals. You can find him at jpixl.net and twitter @johnedgarpark

269 Articles

By John Edgar Park

John Edgar Park likes to make things and tell people about it. He builds project for Adafruit Industries, Boing Boing, and Make. He has ninja warrior goals. You can find him at jpixl.net and twitter @johnedgarpark

269 Articles

No doubt this guy in this video made some awful, over-roasted charcoal, but the rig shows promise. I really like the use of the thermos as an insulated chamber. With some tuning of the heat control (thermocouple probe and variac for the coils maybe?) you could probably get this slowed down to a more reasonable six-to-eight minute roast before first crack.

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