Technical Specifications




1878

THE NEW ZEALAND GAZETTE.

[No. 49.

Table No. 2.

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. Actual Breaking-load, in Tons.
1 5/16 3·0 2·7 2·9
1/4 13/32 4·7 4·5 4·3
1/2 15/32 6·7 6·3 6·4
3/4 9/16 9·1 8·4 9·0
2 5/8 12·4 11·5 11·9
1/4 23/32 15·6 14·3 15·3
1/2 13/16 19·1 17·4 18·1
3/4 7/8 22·9 21·6 22·3
3 15/16 28·9 25·4 26·9
1/4 1 1/32 33·6 30·5 30·6
1/2 1 1/8 39·6 35·0 36·0
3/4 1 3/16 45·1 39·7 41·7
4 1 9/32 50·9 46·0 47·8
1/4 1 11/32 57·1 51·4 54·4
1/2 1 7/16 65·0 57·2 59·6
3/4 1 1/2 71·9 64·7 67·0
5 1 19/32 79·2 71·1 74·7
1/4 1 11/16 88·5 77·9 83·0
1/2 1 3/4 96·5 84·9 89·3
3/4 1 27/32 104·9 94·0 98·3
6 1 29/32 115·5 101·7 107·6


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✨ LLM interpretation of page content

🚂 Test Certificate for Short-Link Chain (continued from previous page)

🚂 Transport & Communications
Test Certificate, Short-Link Chain, B.S. Specification No. 394/1930

🚂 Black-Steel-Wire Ropes Breaking-Loads

🚂 Transport & Communications
Black-Steel-Wire Ropes, Breaking-Loads, Technical Specifications