February 9, 2018
exchanger reconfigured from downdrafting parallel channels
to a serial channel.
Experimental stacking according to ASTM E2780 "high burn rate"
In ASTM testing, the load is intended to be ignited from a hot coal bed.
In this modification, pieces on the top row are split in half, and ignited with kindling placed on top
Red oak, log cabin stacking, 234 stacking. Top ignition
60.5 lbs including 2.0 lbs kindling
20.3% moisture. 234 stacking.
Pieces are numbered from the bottom up, front-to-back and left-to-right
Fuel load including kindling on top.
HTT 602 door, 22" wide
Austrian eco firebox, see http://www.heatkit.com/research/lopez-2014-03-01.html
Condar spreadsheet summary panel, calculated at 90 minutes.
oak, same fuel batch as
last series of 2017
Time lapse taken at 2 minute intervals, fixed focus and fixed exposure.
Notice the burn progression. Once the initial surface flaming on the large lower pieces is over and a char layer has formed, the fire burns very slowly. The second row is still intact after the 90 minute standard test length.
page was updated on February 15, 2018
This page was created on February 9, 2018