✨ Tables of Breaking-Loads and Safe-Working Loads
2683
THE NEW ZEALAND GAZETTE.
[No. 61
APPENDIX IV.
TABLE OF BREAKING-LOADS FOR BEST-QUALITY ROUND FIBRE ROPES.
(Ropes closely spun and not tarred.)
| Size of Rope. | Breaking-load, in Pounds. | Size of Rope. | Breaking-load, in Pounds. | ||
|---|---|---|---|---|---|
| Circumference, in Inches. | Diameter, in Inches (approximate). | Circumference, in Inches. | Diameter, in Inches (approximate). | ||
| 1 | 5/16 | 810 | 3½ | 1¹/₈ | 9,882 |
| 1¼ | 13/32 | 1,260 | 3¾ | 1³/₁₆ | 11,340 |
| 1½ | 15/32 | 1,818 | 4 | 1⁹/₃₂ | 12,906 |
| 1¾ | 9/16 | 2,466 | 4¼ | 1¹¹/₃₂ | 14,565 |
| 2 | 5/8 | 3,222 | 4½ | 1⁷/₁₆ | 16,326 |
| 2¼ | 23/32 | 4,086 | 4¾ | 1¹/₂ | 18,195 |
| 2½ | 13/16 | 5,040 | 5 | 1¹⁹/₃₂ | 20,160 |
| 2¾ | 7/8 | 6,102 | 5½ | 1³/₄ | 24,390 |
| 3 | 15/16 | 7,254 | 6 | 1²⁹/₃₂ | 29,034 |
| 3¼ | 1¹/₃₂ | 8,514 |
Table No. 1.—Short-link Chain.
TABLE OF SAFE-WORKING LOADS FOR SHORT-LINK CHAIN, AND FOR SINGLE SLINGS AND COLLAR SLINGS OF CHAIN CARRYING THE LOAD ON A SINGLE PART OF THE SLING.
| Diameter of Iron of Chain, in Inches. | Maximum Safe-working Loads. | Diameter of Iron of Chain, in Inches. | Maximum Safe-working Loads. | ||
|---|---|---|---|---|---|
| Loads, in Tons, &c. | Loads, in Pounds. | Loads, in Tons, &c. | Loads, in Pounds. | ||
| ¼ | T. cwt. qr. lb. | 756 | 1⁸/₁₆ | T. cwt. qr. lb. | 17,057 |
| ⁵/₁₆ | 0 6 3 0 | 1,181 | 1¼ | 7 12 1 5 | 18,900 |
| ³/₈ | 0 10 2 5 | 1,701 | 1⁵/₁₆ | 8 8 3 0 | 20,837 |
| ⁷/₁₆ | 0 15 0 21 | 2,315 | 1³/₈ | 9 6 0 5 | 22,869 |
| ½ | 1 0 2 19 | 3,024 | 1⁷/₁₆ | 10 4 0 21 | 24,995 |
| ⁹/₁₆ | 1 7 0 0 | 3,827 | 1½ | 11 3 0 19 | 27,216 |
| ⁵/₈ | 1 14 0 19 | 4,725 | 1⁹/₁₆ | 12 3 0 0 | 29,531 |
| ¹¹/₁₆ | 2 2 0 21 | 5,717 | 1⁵/₈ | 13 3 2 19 | 31,941 |
| ¾ | 2 11 0 5 | 6,804 | 1¹¹/₁₆ | 14 5 0 21 | 34,445 |
| ¹³/₁₆ | 3 0 3 0 | 7,985 | 1¾ | 15 7 2 5 | 37,044 |
| ⁷/₈ | 3 11 1 5 | 9,261 | 1¹³/₁₆ | 16 10 3 0 | 39,737 |
| ¹⁵/₁₆ | 4 2 2 21 | 10,631 | 1⁷/₈ | 17 14 3 5 | 42,525 |
| 1 | 4 14 3 19 | 12,096 | 1¹⁵/₁₆ | 18 19 2 21 | 45,407 |
| 1¹/₁₆ | 5 8 0 0 | 13,655 | 2 | 20 5 1 19 | 48,384 |
| 1¹/₈ | 6 1 3 19 | 15,309 |
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VUW Te Waharoa —
NZ Gazette 1926, No 61
NZLII —
NZ Gazette 1926, No 61
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Table of Breaking-Loads for Best-Quality Round Fibre Ropes
(continued from previous page)
🚂 Transport & CommunicationsBreaking-Loads, Round Fibre Ropes, Marine Department
🚂 Table of Safe-Working Loads for Short-Link Chain
🚂 Transport & CommunicationsSafe-Working Loads, Short-Link Chain, Marine Department