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2017 MHA Research Heater Tests

Test MHA-1701
January 9, 2017

Red oak, seasoned 3 years
Log cabin stacking, top ignition
62.0 lbs including 2.0 lbs kindling
15.2% moisture.

Pisla HTT 602 door, 22" wide
Austrian eco firebox, see
Baffles from 2016 testing removed. Exit straight into raised ceiling:

In the last 2016 tests, the eco-air slots were partially blocked.
The blocks have been removed, adding approx 25% air.

Fifth run of a repeatability study with a new test fueling protocol under development

Note: There was an air leak issue with the Testo analyzer, that is not completely resolved.
See note in Condar spreadsheet.

Condar spreadsheet results, calculated at 100 minutes.
With the eco-box, the test is over when the air supply is closed. Remaining charcoal would normally be burned in the next fire.

Condar Spreadsheet 

Testo Raw Data

Lab Notes 

gas analysis
Flue gas graph to 100 minutes.

Testo flue gas graph.

Fuel load, small pieces to the front.
Pieces are stacked in order of increasing weight.

This page was updated on January 17, 2017
This page was created on January 9, 2017