2018 MHA Research Heater Tests

Test MHA-1814
February 1, 2018

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

Hot reload onto coal bed of test MHA-1813
Red oak, log cabin stacking, top ignition
60.0 lbs with no 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.

Testo Raw Data

Lab Notes

Flue gas graph to 90 minutes.
Note: CO curve is inaccurate due to failing sensor. Backup CO data has been used for calculations.

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
60.0 lbs with no kindling. Note the hot coal bed.
21.6% moisture.

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

Surface temperature, immediately after the entry from the firebox.

Surface temperature on the last channel (downdraft).

Surface temperature on the connecting bench.

Surface temperature on the chimney.

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