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rocket stoves

Low height rocket stove

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posted 1 year ago

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Is it possible for a rocket stove that the cooking surface is low enough that I could sit/squat on the ground to cook?

The height of the cooking surface would have to be lower than two feet.

Matt McSpadden

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posted 1 year ago

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Hi Gregory,
All I know about RMH has been from reading on this forum, so I'm sure someone who actually knows what they are talking about will correct me, but at face value, I don't think it would be possible without dropping the rest of the RMH below the floor level. I think building a platform to sit/squat on at the height you want, might be easier than dropping the RMH below the rest of the floor/ground.

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Jeremy VanGelder

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posted 1 year ago

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The Rocket Cooktop with Lorena at Wheaton Labs has a core that was dug down into the ground so that big canning pots can be easily placed in it.

I think the Walker Riserless Combustion Core would be the closest thing you can get to a squattable rocket cooktop. I don't know the exact height of the core. But all of the examples built so far have been built on top of several layers of bricks to bring them up to countertop height. If you omit the layers underneath (except for an insulation layer if you are building on a combustible floor) the final stove will be a lot shorter.

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Anne Miller

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posted 1 year ago

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I like Jeremey's suggestions.

This one is a commercial stove that is 23 inches tall:

https://permies.com/t/226162/Commercial-Rocket-Stove

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Cristobal Cristo

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posted 1 year ago

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Gregory,

In theory 100 mm system needs 72 cm riser, but assuming that +/- 20% variation is acceptable then it would reduce it to 57 cm. I would make a dry stacked firebox and the riser and observe if what you get is satisfactory to you. The vortex is created at the bottom of the riser, so even if further combustion is affected the final result will be still better than some open fire pit.

William Bronson

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