Diam. of

Shaft.

For Simply Transmitting Power.

Number of Revolutions per Minute.

100 125 150 175 200 233 267 300 333 367 400

Inches. H. P. H.P. H.P. H.P. H.P. H.P. H.P. H.P. H.P. H.P. H.P.

11/2

15%

134

6.7 8.4 10.1 11.8 13.5 15.7 17.9 20.3 22.5 24.8 27 8.6 10.7 12.8 15 17.1 20 22.8 25.8 28.6 31.5 34.3 10.7 13.4 16 18.7 21.5 25 28 32 36 39 43 18 13.2 16.5 19.7

44 48 52

23 26.4

31

35

48 53

238

27

22

3

234

41

3

54

62

47

54 62

52

79

96 105

73 83 93 104 114 125

62 73 83 97 III 125 139 153 167

67 81 94 108 126 144 162 180 198 216

86 103 120 137 160 182 205 228 250 273 85 107 128 150 171 200 228 257 285 313 342

WROUGHT IRON PIPE.

385

TABLE OF HORSE POWER WHICH MAY BE TRANSMITTED BY OPEN SINGLE BELTS TO PULLEYS RUNNING 100 REVOLUTIONS PER MINUTE, THE DIAMETERs of the DRIVING AND DRIVEN PULLEYS BEING EQUAL.

The Horse Power of Double Belts is 10-7 of that given in the Table.