Dry Brick Rocket Stove Maple Evaporator

Greetings…

At the last minute this winter we decided to tap our mature maple tree (just one tap) and boil off some sap to make a small amount of maple syrup.  I was equally interested in building an experimental rocket stove as an evaporator with the materials I had on hand.  It worked great!

With some landscaping bricks, a dutch oven and a bit of home-made cob we had our stove chugging along in about an hour… maple syrup in 5 hours.   3+ gallons of sap made 1 cup. of syrup. Here are some pictures:

 

Built by stacking the dry bricks into a chimney and burn chamber. Sap is boiling. All smoke is just the steam from the dutch oven evaporator.

I built the stove by dry stacking (no mortar) the bricks to form a chimney and burn chamber. We nestled the dutch oven in to serve as the top of the burn chamber so it would receive direct flames for a hot, rapid boil.

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