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Rocket stoves and maple syrup production  RSS feed

 
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Any one out there building a rocket mass heater to fit a maple sap evaporator?
 
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Location: Upstate NY, zone 5
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A rocket mass heater would not work for making maple syrup, but a rocket stove can be adapted: Rocket Stove Maple Syrup Evaporator

There have been other posts on the subject as well, but I think this is the biggest success story.
 
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I know of someone who made a custom evaporator for their woodstove. I don't see why one couldn't be made to fit on top of a rocket mass heater barrel. It probably wouldn't be quite as efficient as a rocket stove, but then you're also using the heat for multiple purposes. And if you're not talking about massive amounts and don't care if it takes longer then I'd say go ahead and try it.
 
Glenn Herbert
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The scale of production is the critical factor here. If you want to make some maple syrup for your family, a pan on top of the RMH barrel might work. Whether you will want to run your RMH for the time needed to evaporate is another question. (A rule of thumb is 1 gallon per hour per square foot of pan surface.) Humidity from 5 or 10 gallons of water being evaporated inside your house in a day might be an issue.

If you want to do any scale of commercial production, you need an outdoor evaporator, not an RMH.
 
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I experimented a little last year with a rocket stove evaporator setup. It was thrown together last minute I hope to improve with a bit more permanent of a set up this year. The thread can be read here. It was not a rocket mass set-up just rocket stove...

https://permies.com/t/54381/Rocket-Stove-Maple-Syrup-Evaporator
 
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