United States Stove Company 7700, Manual

Page: 54 / 175

Client: QC inc. Date: March 6, 2011
Project No. Page 4 of 13
II SUMMARY OF TEST RESULTS
II.A Results
CAT Load Capacity Tgt Load
(Btu/hr)
Act Load
(Btu/hr)
Test
Duration
(min)
Wood
Weight (Lb)
I
0-34% of max 21800 20330 636 42.65
II
35-52% of max 27280 24035 429 42.65
III
53-76% of max 40300 37488 287 42.2
IV
Max capacity 62000 61900 184 45.4
CAT Q
in
(Btu)
Q
out
(Btu)
ŋ
N
(%)
delivered
E
T
(g)
E
(g/MJ)
E
(g/hr)
E
(g/Kg)
E
(g/hr
10,000Btu)
I
302,119 215,836 64.4 30.8 0.135 2.9 1.92 0.135
II
300,860 172,253 53.3 31.5 0.173 4.4 1.97 0.256
III
294,565 179,945 58.1 29.3 0.154 6.1 1.87 0.341
IV
318,842 190,764 58.1 30.9 0.154 10.1 1.83 0.529
WEIGHTED AVERAGE
Weighting
Cat Factor h
x
F
i
Delivered
E
g/MJ,I
x
F
i
E
g/kg,I
x
F
i
E
g/hr
x F
i
Eg/hr
10,000
Btu x Fi
I 1 .644 0.135 1.92 2.9 0.135
II 1 .533 0.173 1.97 4.4 0.256
III 1 .581 0.154 1.87 6.1 0.341
IV 1 .581 0.154 1.83 10.1 0.529
Totals
4 2.339 0.616 7.59 23.5 1.261
Average
0.585 0.154 1.897 11.75 0.315