Lister Petter TR1, Workshop Manual

Page: 114 / 121

page 114
Section 10
Conversion Factors
- energy, power, fuel consumption
Energy - Table 1
kilowatt hour
kWh
kilogram-force
metre - kgf m
foot-pound force
ft lbf
horsepower hour
hp h
1 kWh 3.6709 x 10 5 2.6552 x 10 6 1,3410
1 kgf m 2.7240 x 10
-6
7.2330 3.6530 x 10
-6
1 ft lbf 3.7661 x 10
-7
0.1382 5.0505
1 hp h 0.7457 2.7373 x 10
6
1.98 x 10
6
Energy - Table 2
joule
J
horsepower hour
hp h
calorie
cal
British thermal unit
Btu
1 joule 3.7250 x 10
-7
0.2388 9.4781 x 10
-4
1 hp h 2.6846 x 10
6
641186 2544.43
1 cal 4.1868 1.5596 x 10
-6
3.9683 x 10
-3
1 Btu 1055.06 3.9301 x 10
-4
251.996
Power - Table 1
kilowatt
kW
metric horsepower
CV
brake horsepower
bhp
British thermal unit
per hour
Btu h
1 kW 1.3596 1.3410 3412.14
1 CV 0.7355 0.9863 2509.63
1 bhp 0.7457 1.0139 2544.43
1 Btu h 0.00029 3.9846 x 10
-4
3.9301 x 10
-4
Power - Table 2
watt
W
kilo calorie per hour
k cal/h
British thermal unit
Btu
1 watt 0.08598 3.4121
1 k cal/h 1.1630 3.9683
1 Btu 0.2930 0.2519
Specific Fuel Consumption
pounds per
horesepower hour
lb/hp h
pounds per Cheval
Vapeur hour
lb/CV h
grams per kilowatt
hour
g/kW h
grams per Cheval
Vapeur hour
g/CV h
1 lb/hp h 0.9862 608.27 447.33
1 lb/CV h 1.0140 616.80 453.59
1 g/kW h 1.6440 x 10 -3 1.621 x 10 -3 0.7354
1 g/CV h 2.235 x 10
-3
2.205 x 10
-3
1.3600
The Cheval Vapeur (CV) is also known as the metric horsepower (1CV = 1CH = 1PS)
1 lb = 453.592 grams