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Blogger Turns Washing Machine Into Drum Roaster

The creator of a blog that describes itself as “a blog/dump of various projects, from simple daily tricks through microcontroller code to propane heaters that don’t really work,” has successfully repurposed a washing machine and propane stove as a drum coffee roaster.

According to the author, who goes by rxdtxd on the blog, it takes some 60 to 90 minutes to roast beans. Here’s a basic description from the author:

The setup consists of the roaster itself, a propane gas stove, an electricity extension cord for the motor, and a big pan to rapidly cool the beans when they’re done (to prevent overroasting).

And here’s the coffee roaster in action:



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