✨ Technical Specifications
1880
THE NEW ZEALAND GAZETTE.
[No. 49
Table No. 5.
TABLE OF BREAKING-LOADS FOR HIGHER-GRADE ROUND FIBRE ROPES.
This grade to be distinguished by a red thread spun into the centre of one strand.
(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 | 1,012 | 3¹/₂ | 1³/₈ | 12,352 |
| 1¹/₄ | 1³/₃₂ | 1,575 | 3³/₄ | 1³/₁₆ | 14,175 |
| 1¹/₂ | 1⁵/₃₂ | 2,272 | 4 | 1⁹/₃₂ | 16,132 |
| 1³/₄ | 9/16 | 3,082 | 4¹/₄ | 1¹¹/₃₂ | 18,206 |
| 2 | 5/8 | 4,027 | 4¹/₂ | 1⁷/₁₆ | 20,407 |
| 2¹/₄ | 2³/₈ | 5,107 | 4³/₄ | 1¹/₂ | 22,744 |
| 2¹/₂ | 1³/₁₆ | 6,300 | 5 | 1¹⁹/₃₂ | 25,200 |
| 2³/₄ | 7/8 | 7,627 | 5¹/₄ | 1³/₄ | 30,487 |
| 3 | 1⁵/₁₆ | 9,067 | 5¹/₂ | 1³⁹/₃₂ | 36,292 |
| 3¹/₄ | 1¹/₃₂ | 10,642 | 6 | 1³⁹/₃₂ |
THIRD SCHEDULE.
Table No. 6.—Safe Working Loads.
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. | ||
| ½ | T. cwt. qr. lb. | 1³/₈ | T. cwt. qr. lb. | 17,057 | |
| 0 6 3 0 | 756 | 1⁷/₁₆ | 7 12 1 5 | 18,900 | |
| ⁵/₈ | 0 10 2 5 | 1,181 | 1¹/₂ | 8 8 3 0 | 20,837 |
| ¾ | 0 15 0 21 | 1,701 | 1⁵/₈ | 9 6 0 5 | 22,869 |
| ⁷/₈ | 1 0 2 19 | 2,315 | 1³/₄ | 10 4 0 21 | 24,995 |
| 1 | 1 7 0 0 | 3,024 | 1⁷/₈ | 11 3 0 19 | 27,216 |
| 1¹/₈ | 1 14 0 19 | 3,827 | 2 | 12 3 0 0 | 29,531 |
| 1¹/₄ | 2 2 0 21 | 4,725 | 13 3 2 19 | 31,941 | |
| 1³/₈ | 2 11 0 5 | 5,717 | 14 5 0 21 | 34,445 | |
| 1⁷/₁₆ | 3 0 3 0 | 6,804 | 15 7 2 5 | 37,044 | |
| 1¹/₂ | 3 11 1 5 | 7,985 | 16 10 3 0 | 39,737 | |
| 1⁵/₈ | 4 2 2 21 | 9,291 | 17 14 3 5 | 42,525 | |
| 1³/₄ | 4 14 3 19 | 10,631 | 18 10 2 21 | 45,407 | |
| 1⁷/₈ | 5 8 0 0 | 12,096 | 20 5 1 19 | 48,384 | |
| 2 | 6 1 3 19 | 13,655 | |||
| 6 16 2 21 | 15,309 |
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VUW Te Waharoa —
NZ Gazette 1935, No 49
NZLII —
NZ Gazette 1935, No 49
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Higher-grade round fibre ropes breaking-loads
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🚂 Transport & CommunicationsFibre ropes, Breaking-loads, Technical Specifications, Higher-grade
🚂 Safe working loads for short-link chain and slings
🚂 Transport & CommunicationsSafe working loads, Short-link chain, Slings, Technical Specifications