The Trials of Light Portable Motors at Plymouth. 603 
Fig. 6. 
fylintbir Volume zrp Cuhic feet/ 
Heat used per Hour, 
Total beat of combustion of 5-588 lb. of oil 100,150 
brake 
Heat wasted in engine friction 
Total heat shown by indicator 
Heat given to jacket water . 
l^baust waste and other losses 
Th. U. 
Per cent. 
10G,150 
1000 
\ 11,530 
1080 
1,920 
1-81 
13,450 
1267 
56,660 
53-30 
36,040 
33-96 
W. C. U.wvix, 
V. 8 2 
