• Post Reply Bookmark Topic Watch Topic
  • New Topic
permaculture forums growies critters building homesteading energy monies kitchen purity ungarbage community wilderness fiber arts art permaculture artisans regional education skip experiences global resources the cider press projects digital market permies.com private forums all forums
this forum made possible by our volunteer staff, including ...
master stewards:
  • Nicole Alderman
  • r ranson
  • Anne Miller
  • Pearl Sutton
  • James Freyr
  • Mike Haasl
  • paul wheaton
  • Dave Burton
  • Joylynn Hardesty
  • Jocelyn Campbell
  • Joseph Lofthouse
garden masters:
  • Carla Burke
  • Steve Thorn
  • Eric Hanson

Help needed Barrel Gaps

Posts: 20
Location: NW Arizona
  • Mark post as helpful
  • send pies
  • Quote
  • Report post to moderator
I used a 40gal WH tank to cover and insulate the heat riser (16"W)with a 55 gal drum 22.25"W with a 3" gap(c) on top that leaves little over 3" gap(g) along the sides is this going to be a problem ? TIA Azdave
Posts: 4154
Location: Northern New York Zone4-5 the OUTER 'RONDACs percip 36''
hugelkultur fungi books wofati solar woodworking
  • Mark post as helpful
  • send pies
  • Quote
  • Report post to moderator
David Marin : With the wider gaps you MAY get a little less heat energy scrubbed off by your exhaust gases against the sides of your barrel, and a little more
heat transported to your Thermal Mass, this is hard to measure and should not be a problem, just an observation !

Make sure that the Transitional Area is very generous and pretty smooth -where the Vertically falling gases turn at right angles to flow horizontally through your
Thermal Mass .

A very simple rule, as soon as the barrel goes on, the vertical chimney MUST go up (4-5 feet about the highest peak/obstacle in your area, and never inside !)
Check your clean outs with a candle or a lit incense stick, there should be No movement of flame or smoke towards the clean outs ! Hope this helps and is timely !
Big AL
The permaculture playing cards make great stocking stuffers: http://richsoil.com/cards
  • Post Reply Bookmark Topic Watch Topic
  • New Topic
Boost this thread!