Max Edleson

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since Aug 19, 2021
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Recent posts by Max Edleson

Hi all!

Just wanted to let you know that we are running an extra special 20% Off Sale through March 31st!
This is a unique opportunity to get batch box and rocket mass heater hardware!
Items on sale include:
  • firebox doors
  • cleanouts
  • dampers
  • Sub a cooktop for the barrel of a rocket mass heater!


  • [url=https://www.firespeaking.com/product/cookstove-masonry-heater-hybrid-hardware/]
    Cookstove & Masonry Heater Hybrid Hardware Bundle[/url]

    [url=https://www.firespeaking.com/product/cookstove-masonry-heater-hybrid-plans/]
    Cookstove & Masonry Heater Hybrid Plans[/url]

    Head on over to www.firespeaking.com to learn more!
    1 week ago
    While this is not exactly the application you are thinking of, I thought that you all would enjoy this staircase application of a rocket mass heater by the late, great Danish architect/builder Flemming Abrahammson of Fornyet Energi:



    For a full design review of staircases integrated with masonry heaters, check out:
    https://www.firespeaking.com/masonry-heaters/masonry-heater-staircases/
    4 months ago
    Hello all!

    I wanted to follow up on this thread and share with you a photo of the prototype that was built based on the design development chronicled in this thread!



    The build was the outcome of a workshop that I led at the Masonry Heater Association Annual Meeting in 2022.
    It features a batch box style firebox with the ability using valves to completely switch the direction of flow either into the main mass including the bake oven and heating hot water, or reversing it so that the flame hits the cooktop.  One is able to control the amounts of primary and secondary air supplied in both configurations.  I intend to add details of this to this thread soon.

    I am returning to this project  to continue work on it and have several offers for you to support it.

    I have put all of the drawings together that I made to build this heater as a set of plans which are for sale (and on sale during November)!:
    https://www.firespeaking.com/product/cookstove-masonry-heater-hybrid-plans/

    All of the hardware to make this project is in stock and also on sale during the month of November!:
    https://www.firespeaking.com/product/cookstove-masonry-heater-hybrid-hardware/

    You can also get the firebox door and the cooktop individually for 15% off during November with the coupon code: PermiesNovember
    https://www.firespeaking.com/product/k402-firebox-door/
    https://www.firespeaking.com/product/t201-cooktop/

    More soon!
    4 months ago
    Wow, this is some great documentation and great innovation.
    I love the three barrel tower to maximize surface area and quick heat.
    An interesting connection of a firebox configuration which is normally coupled with a mass heat exchanger but this time connected to a large "massless" surface area.
    Keep up the good work!
    4 months ago
    Hi again enthusiasts of fire and stewards of the future...

    Here is a summary of where the design work on this project is at:



    You can find a full project summary with more detailed drawings at:
    www.firespeaking.com/project/cookstove-masonry-heater-hybrid/

    And you can follow discussion and development of the project at:
    forums.firespeaking.com/t/cookstove-masonry-heater-hybrid/22
    3 years ago
    I just wanted to update people interested that I have posted an update on the project with some sections describing some of the inner workings of the stove proposed.
    3 years ago
    Hi all,

    This is a great thread.  Indeed, as mentioned earlier in the thread, we at Firespeaking have offered plans in the past but what we've found is that there is so much background knowledge required to execute the plans that a lot of documentation is needed to support them.  This is something we are working on.  In the meantime, I can't more highly recommend joining us at the Masonry Heater Association Annual Meeting in North Carolina this April where there will be an outstanding list of hands-on workshops.

    For those of you who have settled on a design, we carry a whole line of cast iron hardware including firebox doors, oven doors, bypass dampers, cleanouts, ash doors, grates and cooktops for the heater you want to build!

    3 years ago
    Hi all,

    I wanted to let you know about a project that I'm developing to present at the Masonry Heater Association Annual Meeting this April in North Carolina.  It combines the rocket combustion strategy with also a simple cookstove approach, switched using bypass dampers.

    The project development is being documented at this location:
    https://forums.firespeaking.com/t/cookstove-masonry-heater-hybrid/22/5







    I will be posting updates to that thread.

    Regards,
    Max
    3 years ago
    Thank you for the kind words Gerry!  Our work at Firespeaking is evolving from design/build to being more active in education and distribution so I thought I would make an effort to be present in relevant forums such as this one.  We look forward to being a part of the conversation.
    3 years ago