In this video I re-make my DIY concrete rocket stove with the addition of perlite. Many of the improvements to the stove design were suggested via viewer comments. It’s hotter and lighter and will burn cleaner.

The perlite adds insulation to the concrete body of the rocket stove, reducing the thermal mass. This makes the stove much more efficient and it should boil water, my primary use for the it, more quickly. An added benefit of using the perlite will be the reduction of the weight of the stove.

Next week I’ll be adding a J-tube to the stove, bringing the design closer to the a true rocket stove. Then I’ll test the stove’s performance with and without the J-tube.

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