Run numbers 1-3 are from the Standard Masonry Fireplace, no grate, and 0.25 loading factor.

            Burn Rate        Emissions         Fuel Volume     Kindling            First Load         Second Load    Third Load

(kg/hour)          (g/kg)               (cubic feet)       (lbs)                  (lbs)                  (lbs)                  (lbs)

1:         9.33                 5.0                   1.3                   6.6                   38.4                 47.8                 45.2

2:         9.78                 5.1                   1.3                   6.6                   44.1                 50.2                 49.4

3:         8.73                 5.2                   1.3                   6.3                   45.3                 51.1                 47.4

 

            Run numbers 4-6 are from Standard Masonry Fireplace, with grate, and 0.25 loading factor.

            Burn Rate        Emissions         Fuel Volume     Kindling            First Load         Second Load    Third Load

 

 

            (kg/hour)          (g/kg)               (cubic feet)       (lbs)                  (lbs)                  (lbs)                  (lbs)

4:         7.07                 7.3                   0.93                 4.5                   30.0                 33.9                 35.5

5          6.94                 6.7                   0.93                 4.5                   29.1                 30.8                 31.4

6:         6.71                 8.0                   0.93                 5.0                   29.0                 33.7                 34.3

 

Run numbers 7-9 are from Standard Masonry Fireplace with grate, and 0.15 loading factor.

            Burn Rate        Emissions         Fuel Volume     Kindling            First Load         Second Load    Third Load

            (kg/hour)          (g/kg)               (cubic feet)       (lbs)                  (lbs)                  (lbs)                  (lbs)

7:         3.74                 12.3                 0.5                   4.6                   15.1                 18.1                 18.7

8:         3.96                 10.5                 0.5                   4.8                   15.6                 19.1                 18.0

9:         3.90                 11.7                 0.5                   5.4                   15.5                 14.3                 17.7

 

Run numbers 10.  Run 10 uses a horizontal grate .15 loading factor.

            Burn Rate        Emissions         Fuel Volume     Kindling            First Load         Second Load    Third Load

(kg/hour)          (g/kg)               (cubic feet)       (lbs)                  (lbs)                  (lbs)                  (lbs)

10:       2.89                 15.0                 0.35                 3.7                   11.8                 15.6                 14.9

 

Run numbers 11-12 are using a vertical grate. Fueling is the same as that used in run numbers 7-9, run 12 uses vertical spacers in the fuel load. 

            Burn Rate        Emissions         Fuel Volume     Kindling            First Load         Second Load    Third Load

            (kg/hour)          (g/kg)               (cubic feet)       (lbs)                  (lbs)                  (lbs)                  (lbs)

11:       3.76                 11.0                 0.5                   4.9                   16.8                 18.4                 18.8

12:       3.06                 12.5                 0.5                   4.9                   17.5                 19.2                 17.9

 

Results for the original "calibration" series we conducted on an E36 Zero clearance fireplace with a grate are as follows.

 

Run number 1 and 2 were conducted on a grate using .15 loading factor and .625" spacers in the fuel load.

            Burn Rate        Emissions         Fuel Volume     Kindling            First Load         Second Load    Third Load

            (kg/hour)          (g/kg)               (cubic feet)       (lbs)                  (lbs)                  (lbs)                  (lbs)

1:         2.72                 13.5                 0.37                 3.4                   10.6                 10.9                 11.1

2:         2.69                 13.1                 0.37                 4.4                   10.6                 11.4                 11.5

 

Run numbers 3 and 4 were conducted on a grate using .15 loading factor and .75" spacers in the fuel load.

            Burn Rate        Emissions         Fuel Volume     Kindling            First Load         Second Load    Third Load

            (kg/hour)          (g/kg)               (cubic feet)       (lbs)                  (lbs)                  (lbs)                  (lbs)

3:         2.89                 10.7                 0.37                 4.7                   10.3                 11.4                 12.0

4:         2.77                 12.1                 0.37                 5.1                   11.6                 13.2                 12.9

 

Rumford Fireplace was not tested.  Fuel load volume was calculated at 0.44 cubic feet with .25 loading factor.