Thanks, but I need figures for what real-world losses are from the front surface of this sort of collector. You really can't predict that with any confidence. Rearward losses (courtesy of 6" of rockwool) are effectively zero in comparison.
We were somewhere around Barstow, on the edge of the desert, when the drugs began to take hold. I remember "Mark" saying something like:
heater was a dreadful design and has been improved radically in recent years by many people, some collaborating via yahoo groups and some just putting their improvements up on the net - then JtF come along and say it was something to do with them.
However I'd really like to avoid any sort of flame in here, on account of the fire risk. That's one reason I'm thinking solar.
If you have scrap wood, get a wood burning stove and a double skinned chimbley.
no chance of any sparks leaping out except when you load.
REALLY efficient. spit out a shitload of heat.
If you have access to about 3-4 cu ft of scrap wood a day.
Understandable, ive got a separate semi-fireproof structure that holds my workshop heating generator.
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Quite possibly, it was just a pointer to something that would produce heat at 9am on a freezing winter's morning, rather then DIY solar, which would not.
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S'ok. I don't do Winter mornings anyway... 8-)
What kind of woodworker wastes that much? :-)
someone making up say 50 doors a day?
I could not believe how much sawdust the firm that made mine produces, as well as short unusable lenghts of plank.
Green woodworkers and turners. If you're working from logs directly (i.e. no-one else has generated the initial waste streams from it) then the amount of waste you can produce, relative to merely everyday production levels, is surprisingly large.
Unfortunately it's also as green (i.e. damp) thick shavings and unless it's ash, you have to wait for a week before they'll burn.
Well yes, but when God made time She made plenty of it :-)
Mary
Not enough of it though 8-(
LOL! Some folk are never happy.
Especially with something a woman does :-)
Mary
She didn't always make the storage space required to keep a week's worth of shavings though.
Owain
Or recycle a bit of heat internally before it's lost to the outside, tends to mean a small fan is needed though.
AJH
You'll have to rent another field :-)
Mary
I can keep a months shavings in my electric shaver ;-)
Dave
I've got me coat on.
We were somewhere around Barstow, on the edge of the desert, when the drugs began to take hold. I remember "Mark" saying something like:
Fwiw, I'd recommend a bit of digging around and start off with a couple of yahoo groups; vegoilburners and wastewatts to name but two. There's a pile of info on this sort of stuff; here's a starter...
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