✨ Safe-Working Loads for Black-Wire-Rope Purchases
SEPT. 9.] THE NEW ZEALAND GAZETTE. 2699
Table No. 11.—Black-wire-rope Purchases.
TABLE OF SAFE-WORKING LOADS FOR A PURCHASE CARRYING THE LOAD ON FOUR PARTS (DIAGRAM No. 12).
(Ropes are to be equal to the breaking-loads specified in Appendix II.)
| Size of Rope. | Strands and Wires 6/19. | Strands and Wires 6/24. | Strands and Wires 6/37. |
|---|---|---|---|
| Circumference, in Inches. | Diameter, in Inches (approx.). | Working-load, in Tons, &c. | Working-load, in Pounds. |
| 1 | 5/16 | T. cwt. qr. lb. | 4,480 |
| 1¼ | 3/8 | 2 0 0 0 | 5,524 |
| 1¼ | 13/32 | 2 9 1 8 | 7,018 |
| 1³⁄₈ | 7/16 | 3 2 2 18 | 8,212 |
| 1½ | 15/16 | 3 13 1 8 | 10,004 |
| 1⁵⁄₈ | 1/2 | 4 9 1 8 | 12,096 |
| 1³⁄₄ | 9/16 | 5 8 0 0 | 13,588 |
| 1⁷⁄₈ | 19/32 | 6 1 1 8 | 15,978 |
| 2 | 5/8 | 7 2 2 18 | 18,516 |
| 2¹⁄₈ | 11/16 | 8 5 1 8 | 20,308 |
| 2¹⁄₄ | 23/32 | 9 1 1 8 | 23,296 |
| 2³⁄₈ | 3/4 | 10 8 0 0 | 26,282 |
| 2½ | 13/16 | 11 14 2 18 | 28,522 |
| 2⁵⁄₈ | 27/32 | 12 14 2 18 | 30,612 |
| 2³⁄₄ | 7/8 | 13 13 1 8 | 34,196 |
| 2⁷⁄₈ | 29/32 | 15 5 1 8 | 37,930 |
| 3 | 15/16 | 16 18 2 18 | 43,156 |
Table No. 12.—Black-wire-rope Purchases.
TABLE OF SAFE-WORKING LOADS FOR A PURCHASE CARRYING THE LOAD ON FIVE PARTS (DIAGRAM No. 13).
(Ropes are to be equal to the breaking-loads specified in Appendix II.)
| Size of Rope. | Strands and Wires 6/19. | Strands and Wires 6/24. | Strands and Wires 6/37. |
|---|---|---|---|
| Circumference, in Inches. | Diameter, in Inches (approx.). | Working-load, in Tons, &c. | Working-load, in Pounds. |
| 1 | 5/16 | T. cwt. qr. lb. | 5,600 |
| 1¼ | 3/8 | 2 10 0 0 | 6,906 |
| 1¼ | 13/32 | 3 1 2 18 | 8,773 |
| 1³⁄₈ | 7/16 | 3 18 1 9 | 10,266 |
| 1½ | 15/16 | 4 11 2 18 | 12,506 |
| 1⁵⁄₈ | 1/2 | 5 11 2 18 | 15,120 |
| 1³⁄₄ | 9/16 | 6 15 0 0 | 16,986 |
| 1⁷⁄₈ | 19/32 | 7 11 2 18 | 19,973 |
| 2 | 5/8 | 8 18 1 9 | 23,146 |
| 2¹⁄₈ | 11/16 | 10 6 2 18 | 25,386 |
| 2¹⁄₄ | 23/32 | 11 6 2 18 | 29,120 |
| 2³⁄₈ | 3/4 | 13 0 0 0 | 32,853 |
| 2½ | 13/16 | 14 13 1 9 | 35,653 |
| 2⁵⁄₈ | 27/32 | 15 18 1 9 | 38,266 |
| 2³⁄₄ | 7/8 | 17 1 2 18 | 42,746 |
| 2⁷⁄₈ | 29/32 | 19 1 2 18 | 47,413 |
| 3 | 15/16 | 21 3 1 9 | 53,946 |
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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 Purchases (Four Parts)
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🚂 Transport & CommunicationsSafe-Working Loads, Black-Wire-Rope Purchases, Marine Department, Four Parts
🚂 Table of Safe-Working Loads for Black-Wire-Rope Purchases (Five Parts)
🚂 Transport & CommunicationsSafe-Working Loads, Black-Wire-Rope Purchases, Marine Department, Five Parts