✨ Technical Specifications
1488
THE NEW ZEALAND GAZETTE.
[No. 30
APPENDIX II.
BLACK-STEEL-WIRE ROPES.—BREAKING-LOADS.
(Quality: Special Improved Patent Steel. Tensile strength of wires, 90–100 tons per square inch.)
| Size of Rope. | Construction: Six Strands of 19 Wires each. | Construction: Six Strands of 24 Wires each. | Construction: Six Strands of 37 Wires each. |
|---|---|---|---|
| Circumference, in Inches. | Diameter, in Inches (approximate). | Actual Breaking-load, in Tons. | Actual Breaking-load, in Tons. |
| 1 | 5/16 | 3·0 | 2·7 |
| 1⅛ | 3/8 | 3·7 | 3·7 |
| 1¼ | 13/32 | 4·7 | 4·5 |
| 1⅜ | 7/16 | 5·5 | 5·4 |
| 1½ | 15/32 | 6·7 | 6·3 |
| 1⅝ | 1/2 | 8·1 | 7·3 |
| 1¾ | 9/16 | 9·1 | 8·4 |
| 1⅞ | 19/32 | 10·7 | 10·2 |
| 2 | 5/8 | 12·4 | 11·5 |
| 2⅛ | 11/16 | 13·6 | 12·8 |
| 2¼ | 23/32 | 15·6 | 14·3 |
| 2⅜ | 3/4 | 17·6 | 15·8 |
| 2½ | 13/16 | 19·1 | 17·4 |
| 2⅝ | 27/32 | 20·5 | 19·8 |
| 2¾ | 7/8 | 22·9 | 21·6 |
| 2⅞ | 29/32 | 25·4 | 23·4 |
| 3 | 15/16 | 28·9 | 25·4 |
| 3⅛ | 1 | 30·7 | 27·4 |
| 3¼ | 1¹/₃₂ | 33·6 | 30·5 |
| 3⅜ | 1¹/₁₆ | 36·6 | 32·7 |
| 3½ | 1¹/₈ | 39·6 | 35·0 |
| 3⅝ | 1⁵/₃₂ | 41·8 | 37·3 |
| 3¾ | 1³/₁₆ | 45·1 | 39·7 |
| 3⅞ | 1¹/₄ | 48·6 | 42·2 |
| 4 | 1⁹/₃₂ | 50·9 | 46·0 |
| 4⅛ | 1⁵/₁₆ | 54·6 | 48·7 |
| 4¼ | 1¹¹/₃₂ | 57·1 | 51·4 |
| 4⅜ | 1³/₈ | 61·0 | 54·3 |
| 4½ | 1⁷/₁₆ | 65·0 | 57·2 |
| 4⅝ | 1¹⁵/₃₂ | 67·7 | 60·2 |
| 4¾ | 1¹/₂ | 71·9 | 64·7 |
| 4⅞ | 1⁹/₁₆ | 74·8 | 67·9 |
| 5 | 1¹⁹/₃₂ | 79·2 | 71·1 |
| 5⅛ | 1⁵/₈ | 83·7 | 74·5 |
| 5¼ | 1¹¹/₁₆ | 88·5 | 77·9 |
| 5⅜ | 1³/₄ | 96·5 | 84·9 |
| 5½ | 1²⁷/₃₂ | 104·9 | 94·0 |
| 6 | 1²⁹/₃₂ | 115·5 | 101·7 |
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VUW Te Waharoa —
NZ Gazette 1927, No 30
NZLII —
NZ Gazette 1927, No 30
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Regulations for cargo gear and handling
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🚂 Transport & CommunicationsCargo gear, Wire ropes, Safe working loads, Shackling, Burton block, Coal handling, Ship inspections, Chain slings, Wire-rope slings, Fibre-rope slings, Short-link chain, Breaking loads, Tensile loads