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  1. Mark Holden
    Post

    My progress in building a wood fired boiler based on the design by Richard C. Hill

    Wow, you've really done a lot of work there; it looks great. I'd like to know more about the refractory lining; did you make those sections yourself?...
    Post by: Mark Holden, May 7, 2013 in forum: The Boiler Room - Wood Boilers and Furnaces
  2. Mark Holden
    Post

    My progress in building a wood fired boiler based on the design by Richard C. Hill

    There are different grades of firebrick; hard brick doesn't insulate, and insulating brick is quite soft and can easily get crumbly. If building this...
    Post by: Mark Holden, Mar 10, 2013 in forum: The Boiler Room - Wood Boilers and Furnaces
  3. Mark Holden
    Post

    My progress in building a wood fired boiler based on the design by Richard C. Hill

    I'd move back to the US [been away for 30 years] if I could sell; but the banks won't / can't finance, and there are no buyers for now. So to keep...
    Post by: Mark Holden, Aug 15, 2012 in forum: The Boiler Room - Wood Boilers and Furnaces
  4. Mark Holden
    Post

    My progress in building a wood fired boiler based on the design by Richard C. Hill

    HH, thanks for uploading the pictures. A Venturi draft inducer seems a better idea to me; Professor hill said he found them to be too inefficient....
    Post by: Mark Holden, Aug 14, 2012 in forum: The Boiler Room - Wood Boilers and Furnaces
  5. Mark Holden
    Post

    My progress in building a wood fired boiler based on the design by Richard C. Hill

    It's true, all the numbers are clearly laid out in the original paper. Dr. Hill wrote his burner ran at 3" [not 30] water pressure [excuse me, but I...
    Post by: Mark Holden, Aug 13, 2012 in forum: The Boiler Room - Wood Boilers and Furnaces
  6. Mark Holden
    Post

    My progress in building a wood fired boiler based on the design by Richard C. Hill

    You r blower shows max pressure is 30" of water [50hz], which is about 0.07bar; and 33cfm, which is about 1 cubic meter per minute. Is that right? It...
    Post by: Mark Holden, Aug 11, 2012 in forum: The Boiler Room - Wood Boilers and Furnaces
  7. Mark Holden
    Post

    My progress in building a wood fired boiler based on the design by Richard C. Hill

    I actually built a one-use crematoria last week; wife wanted to keep the ashes of our dog. Just an oil barrel with fiberglass on the outside , a...
    Post by: Mark Holden, Aug 11, 2012 in forum: The Boiler Room - Wood Boilers and Furnaces
  8. Mark Holden
    Post

    My progress in building a wood fired boiler based on the design by Richard C. Hill

    Thanks again for sharing your results! I'm curious about your air supply; it looks a bit fearsome, more of a high volume compressor than a fan. What...
    Post by: Mark Holden, Aug 11, 2012 in forum: The Boiler Room - Wood Boilers and Furnaces
  9. Mark Holden
    Post

    homemade storage

    My thread on stratified storage, with a diagram and explanation of the Solvis stratifier valve;...
    Post by: Mark Holden, Aug 8, 2012 in forum: The Boiler Room - Wood Boilers and Furnaces
  10. Mark Holden
    Post

    Boiler Heating Multiple Houses

    One thing not yet mentioned; investment vs. increased property value. If one house is sold from your triangle, things would get very mixed up;...
    Post by: Mark Holden, Aug 8, 2012 in forum: The Boiler Room - Wood Boilers and Furnaces
  11. Mark Holden
    Post

    500 gallon Integrated Water Storage

    It looks unnecessarily complicated to me; what's wrong with solar heat?
    Post by: Mark Holden, Jul 21, 2012 in forum: The Boiler Room - Wood Boilers and Furnaces
  12. Mark Holden
    Post

    Fuel Tank Water Storage

    I was trying to figure out what I could use as a heat store tank; so I imagined the perfect object, and Eureka! I had the idea. I'm a genius, I...
    Post by: Mark Holden, Jul 19, 2012 in forum: The Boiler Room - Wood Boilers and Furnaces
  13. Mark Holden
    Post

    Fuel Tank Water Storage

    Propane tanks, surprisingly, aren't as dangerous. Once the gas is gone, all that's left is a pool of powerfully scented oily water. Before cutting a...
    Post by: Mark Holden, Jul 19, 2012 in forum: The Boiler Room - Wood Boilers and Furnaces
  14. Mark Holden
    Post

    Fuel Tank Water Storage

    It depends... for a tank that was used for heavy oil like diesel, a couple of inches from the weld is fine. For a tank that was used with something...
    Post by: Mark Holden, Jul 19, 2012 in forum: The Boiler Room - Wood Boilers and Furnaces
  15. Mark Holden
    Post

    Fuel Tank Water Storage

    I don't expect those barges to last 20 years in the water that they're in, unless the owner takes them to the shipyard in between. I should add that...
    Post by: Mark Holden, Jul 17, 2012 in forum: The Boiler Room - Wood Boilers and Furnaces
  16. Mark Holden
    Post

    My progress in building a wood fired boiler based on the design by Richard C. Hill

    Wouldn't a simple screen do the trick? expanded over a protruding frame perhaps? I'd think anything small enough to pass through [dust] wouldn't harm...
    Post by: Mark Holden, Jul 17, 2012 in forum: The Boiler Room - Wood Boilers and Furnaces
  17. Mark Holden
    Post

    Fuel Tank Water Storage

    Fred; I looked into this subject for my work on fresh water barges. An electrochemical cell will spontaneously form on the surface of mild steel...
    Post by: Mark Holden, Jul 17, 2012 in forum: The Boiler Room - Wood Boilers and Furnaces
  18. Mark Holden
    Post

    Fuel Tank Water Storage

    Jebatty, is your new tank also open? LPG tanks are much ticker than unpressurized tanks they use for oil; it could be that it just takes longer to...
    Post by: Mark Holden, Jul 17, 2012 in forum: The Boiler Room - Wood Boilers and Furnaces
  19. Mark Holden
    Post

    Fuel Tank Water Storage

    Sorry... If it makes you feel any better, I'm not really professional, just a very experienced amateur.
    Post by: Mark Holden, Jul 17, 2012 in forum: The Boiler Room - Wood Boilers and Furnaces
  20. Mark Holden
    Post

    Cast Iron Radiator Connector Fitting

    Regarding corrosion; I studied it a little in the past. Dissimilar metals will cause a galvanic cell to form and cause corrosion, but remember that...
    Post by: Mark Holden, Jul 16, 2012 in forum: The Boiler Room - Wood Boilers and Furnaces
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