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  1. renewablejohn
    Post

    Electricity from wood heat

    Low grade heat upto 230C is ideal for use with thermal oil. Conversion from hot thermal oil to conventional steam is straightforward and very safe.
    Post by: renewablejohn, May 20, 2013 at 3:24 AM in forum: The Green Room
  2. renewablejohn
    Post

    Electricity from wood heat

    The reference to Pratt & Whitney and an Organic Rankine Cycle generator will be a thermal oil system manufactured by Turboden in Italy who Pratt...
    Post by: renewablejohn, Apr 30, 2013 in forum: The Green Room
  3. renewablejohn
    Post

    Electricity from wood heat

    Whats the problem with capital costs. Current annual spend on generator fuel $30k quote for 10kw wood generator £12k seems to me to be a no brainer...
    Post by: renewablejohn, Apr 30, 2013 in forum: The Green Room
  4. renewablejohn
    Post

    Electricity from wood heat

    Well if you only want a small generator you could try one of these portable domestic engine and generators mounted on a skid....
    Post by: renewablejohn, Apr 30, 2013 in forum: The Green Room
  5. renewablejohn
    Post

    Electricity from wood heat

    Not saying it is cheap but the solutions are now tried and tested. http://www.feasta.org/documents/landhousing/enliven_app10.pdf
    Post by: renewablejohn, Apr 30, 2013 in forum: The Green Room
  6. renewablejohn
    Post

    Electricity from wood heat

    Have a look at what is happening on the Isle of Mull off the UK coast. http://haunnblackhouse.blogspot.co.uk/2009/08/woodchip-story.html They...
    Post by: renewablejohn, Apr 29, 2013 in forum: The Green Room
  7. renewablejohn
    Post

    Solar kiln

    We have commercial solar kilns drying upto 250 m3 of split logs at a time. Normally takes 3-6 months to get logs below 20% moisture content.
    Post by: renewablejohn, Jan 23, 2013 in forum: The Wood Shed
  8. renewablejohn
    Post

    Solar kiln

    We have commercial solar kilns drying upto 250 m3 of split logs at a time. Normally takes 3-6 moths to get logs below 20% moisture content.
    Post by: renewablejohn, Jan 23, 2013 in forum: The Wood Shed
  9. renewablejohn
    Post

    Hot air drying?

    In respect of the polytunnel as a guide our tunnels are 25 mtr x 8 mtr
    Post by: renewablejohn, Jan 16, 2013 in forum: The Wood Shed
  10. renewablejohn
    Post

    Hot air drying?

    Thats a very complicated solar kiln. I think I will stick to my polytunnel version at least I can load it up with a tractor or fork lift and I dont...
    Post by: renewablejohn, Jan 16, 2013 in forum: The Wood Shed
  11. renewablejohn
    Post

    How do you stack?

    Dont think any customer of mine would appreciate wood with added slivers of glass. Greenhouse glass especially splinters with sharp edges
    Post by: renewablejohn, Jan 14, 2013 in forum: The Wood Shed
  12. renewablejohn
    Post

    How do you stack?

    Its described as a kiln as in our cold summer climate max 20C with the occasional day above while the polytunnel is in the range 35C- 45C. Crates...
    Post by: renewablejohn, Jan 14, 2013 in forum: The Wood Shed
  13. renewablejohn
    Post

    How do you stack?

    Dont know where you got that idea from. Being a commercial operation we know it works. Having no doors at either end of the polytunnel makes the...
    Post by: renewablejohn, Jan 14, 2013 in forum: The Wood Shed
  14. renewablejohn
    Post

    How do you stack?

    Purpose built polytunnel orientated 90 degree to prevailing wind with no doors either end and sloping roof for ventilation of moist air without...
    Post by: renewablejohn, Jan 14, 2013 in forum: The Wood Shed
  15. renewablejohn
    Post

    How do you stack?

    The added benefit of shorter splits is that drying times can be drastically reduced. With the use of our solar kilns the timber is below 20% MC...
    Post by: renewablejohn, Jan 14, 2013 in forum: The Wood Shed
  16. renewablejohn
    Post

    Should I Do It Or Should I Pass On It?

    The easy safe way of doing it is with half a dozen splitting wedges and a sledge hammer. The alternative quicker but more dangerous way is to use a...
    Post by: renewablejohn, Jan 11, 2013 in forum: The Wood Shed
  17. renewablejohn
    Post

    How do you stack?

    Fire normally stays in overnight and then we dont bother to mend it in the morning. Being an old stone house the stove is surrounded by a floor...
    Post by: renewablejohn, Jan 10, 2013 in forum: The Wood Shed
  18. renewablejohn
    Post

    How do you stack?

    Looking on the Highvalley site they quote 72% efficient so maybe not as efficient as you thought....
    Post by: renewablejohn, Jan 9, 2013 in forum: The Wood Shed
  19. renewablejohn
    Post

    How do you stack?

    In UK insulation is cheap (subsidised by government) and wood is expensive hence in a well insulated house a 15kw stove is considered large and 5kw...
    Post by: renewablejohn, Jan 9, 2013 in forum: The Wood Shed
  20. renewablejohn
    Post

    How do you stack?

    What I am saying is that if your having to put that amount of wood on your stove either your stove is very inefficient or your kidding yourself...
    Post by: renewablejohn, Jan 9, 2013 in forum: The Wood Shed
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