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2009 Heater Tests at Shawville

Test HK-K22
February 11/09

Warm heater - damper had been left open, ashbox air control closed. Seal on door. Cold air bypass open.
White Birch, 20% moisture
Large load, very large pieces, 8 pieces, 4.5 lbs kindling, 76.8 lbs total
Pieces stacked front to back. Kindling stacked between two pieces on right(see stacking pattern)
Sluggish start due to kindling configuration - newspaper wadded into too tight a space.
Data for calculation stopped at 112 minutes, when air control was closed.
Cold air bypass open. Doors not taped. Flue damper shut 2 hrs after air was shut.

Animation HK-K
Animation, 2 minute intervals.

gas analysis
Flue gas
Very steady O2 curve.
CO spike at the beginning was from sluggish start, not from over-amping.

TESTO Excel data file


Condar Spreadsheet Results
Condar Spreadsheet Results

Condar Spreadsheet (includes detailed fueling data)

Fuel stack. Front to back, largest pieces on bottom, kindling in channel created by two logs on the right.

fuel pile
Fuel pieces, numbered 1 - 8 from left to right, heaviest to lightest piece.


This page was updated on January 18, 2010
This page was created on February 11, 2009