2018 MHA Research Heater Tests

Test MHA-1813
February 1, 2018

Heat exchanger reconfigured from downdrafting parallel channels
to a serial channel.

Second run of "Substantially Similar" study with reconfigured heat-exchanger
Run #11 of "Substantially Similar" study
Red oak, log cabin stacking, top ignition
62.0 lbs including 2.0 lbs kindling
21.6% moisture. 2345 stacking.

Pisla HTT 602 door, 22" wide
Austrian eco firebox, see http://www.heatkit.com/research/lopez-2014-03-01.html

Condar spreadsheet results, calculated at 90 minutes.
Adjusted for data glitch. See original

Testo Raw Data
unadjusted. Notice data glitch at minutes 85 - 90

Lab Notes

Flue gas graph to 90 minutes. Adjusted for data glitch. See original
Note: CO curve is inaccurate due to failing sensor. Backup CO data has been used for calculations.
Compare graph with graphs MHA-1806 - MHA-1809, with the previous heat exchanger configuration.

Testo gas graph.
Note: CO curve is inaccurate due to failing sensor. Backup CO data has been used for calculations.
Red line is stack temperature and green line is room temperature.

Red oak, same fuel batch as last series of 2017
Log cabin stacking, top ignition
62.0 lbs including 2.0 lbs kindling
21.6% moisture.

Burn sequence.
Time lapse taken at 2 minute intervals, fixed focus and fixed exposure.

This page was updated on February 7, 2018
This page was created on February 1, 2018