✨ Technical Specifications
Table No. 7.—Black-wire-rope Slings.
TABLE OF SAFE-WORKING LOADS FOR BLACK-WIRE-ROPE SLINGS ON WHICH THE LOAD IS CARRIED ON TWO PARTS OR LEGS OF THE SLING, AND MADE OF ROPE HAVING THE BREAKING-LOAD SPECIFIED IN APPENDIX II.
Safe-working Loads for various Distances between Legs.
| Size of Rope. | Legs Parallel. | B = L. |
|---|---|---|
| Circumference, in Inches. | Diameter, in Inches (approximate). | Strands and Wires 6/19. |
| Working-load, in Tons, &c. | Working-load, in Pounds. | |
| 1 | 5/16 | T. cwt. qr. lb. |
| 1 1/8 | 3/8 | 0 17 0 16 |
| 1 1/4 | 13/32 | 1 1 0 16 |
| 1 3/8 | 7/16 | 1 11 1 20 |
| 1 1/2 | 15/32 | 1 18 1 4 |
| 1 5/8 | 1/2 | 2 6 1 4 |
| 1 3/4 | 9/16 | 2 12 0 0 |
| 1 7/8 | 19/32 | 3 1 0 16 |
| 2 | 5/8 | 3 10 3 12 |
| 2 1/8 | 11/16 | 3 17 2 24 |
| 2 1/4 | 23/32 | 4 9 0 16 |
| 2 3/8 | 3/4 | 5 0 2 8 |
| 2 1/2 | 13/16 | 5 9 0 16 |
| 2 5/8 | 27/32 | 5 17 0 16 |
| 2 3/4 | 7/8 | 6 10 3 12 |
| 2 7/8 | 29/32 | 7 5 0 16 |
| 3 | 15/16 | 8 5 0 16 |
| 3 1/8 | 1 | 8 15 1 20 |
| 3 1/4 | 11/16 | 9 12 0 0 |
| 3 3/8 | 11/16 | 10 9 0 16 |
| 3 1/2 | 11/8 | 11 6 1 4 |
| 3 5/8 | 15/32 | 11 18 3 12 |
| 3 3/4 | 13/16 | 12 17 2 24 |
| 3 7/8 | 11/4 | 13 17 2 24 |
| 4 | 19/32 | 14 10 3 12 |
| 4 1/8 | 15/16 | 15 12 0 0 |
| 4 1/4 | 111/32 | 16 6 1 4 |
| 4 3/8 | 13/8 | 17 8 2 8 |
| 4 1/2 | 17/16 | 18 11 1 20 |
| 4 5/8 | 115/32 | 19 6 3 12 |
| 4 3/4 | 11/2 | 20 10 3 12 |
| 4 7/8 | 19/16 | 21 7 1 20 |
| 5 | 119/32 | 22 12 2 8 |
| 5 1/8 | 15/8 | 23 18 1 4 |
| 5 1/4 | 111/16 | 25 5 2 24 |
| 5 3/8 | 13/4 | 27 11 1 20 |
| 5 1/2 | 127/32 | 29 19 1 20 |
| 5 3/4 | 129/32 | 33 0 0 0 |
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VUW Te Waharoa —
NZ Gazette 1926, No 61
NZLII —
NZ Gazette 1926, No 61
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Table of Safe-Working Loads for Black-Wire-Rope Slings
(continued from previous page)
🚂 Transport & CommunicationsSafe-Working Loads, Black-Wire-Rope Slings, Marine Department