Weight of transmission rope = .34 X dia.2
Breaking strength = 7,000 X dia.2
Maximum allowable tension = 200 X dia.2
Dia. smallest practicable sheave. = 36 X dia.
Velocity of rope (assumed) = 5,400 ft. per minute.
HORSE-POWER TRANSMITTED BY MANILA ROPE.
SAG OF MANILA ROPE ON DRIVING AND SLACK SIDES.
NUMBER OF RING AND MULE SPINDLES IN UNITED STATES.
(DEPART. OF COMMERCE AND LABOR REPORT, 1908.)
| Ring | Mule | Total | |
| Maine | 764,064 | 214,124 | 978,188 |
| New Hampshire | 1,045,283 | 275,220 | 1,320,503 |
| Vermont | 80,688 | 26,636 | 107,324 |
| Massachusetts | 7,060,977 | 2,385,403 | 9,446,380 |
| Rhode Island | 1,456,471 | 931,626 | 2,388,105 |
| Connecticut | 789,860 | 450,436 | 1,240,296 |
| New York | 474,154 | 454,162 | 928,316 |
| Pennsylvania | 134,268 | 134,042 | 268,310 |
| New Jersey | 108,690 | 338,339 | 447,029 |
| Maryland | 151,000 | 151,000 | |
| Virginia | 289,639 | 5,940 | 295,579 |
| North Carolina | 2,852,540 | 91,864 | 2,944,404 |
| South Carolina | 3,700,974 | 12,032 | 3,713,006 |
| Alabama | 931,030 | 8,912 | 939,942 |
| Georgia | 1,694,768 | 98,022 | 1,792,790 |
| Louisiana | 82,252 | 7,300 | 89,552 |
| Mississippi | 173,111 | 105 | 173,216 |
| Kentucky | 58,580 | 27,120 | 85,700 |
| Tennessee | 253,448 | 11,750 | 265,198 |
| Texas | 103,708 | 3,216 | 106,924 |
| Indiana | 121,047 | 16,230 | 137,277 |
| All other States | 128,772 | 16,576 | 145,348 |
| Total | 22,455,332 | 5,509,055 | 27,964,387 |