Technical Specifications




2086 THE NEW ZEALAND GAZETTE. [No. 61

APPENDIX II.

BLACK-STEEL-WIRE ROPES.—BREAKING-LOADS.

(Quality: Special Improved Patent Steel. Tensile strength of wires, 90-100 tons per square inch.)

Circumference, in Inches. Diameter, in Inches (approximate). Construction: Six Strands of 19 Wires each. Actual Breaking-load, in Tons. Construction: Six Strands of 24 Wires each. Actual Breaking-load, in Tons. Construction: Six Strands of 37 Wires each. Actual Breaking-load, in Tons.
1 5/16 3.0 2.7 2.9
1 1/8 3/8 3.7 3.7 3.8
1 1/4 13/32 4.7 4.5 4.3
1 3/8 7/16 5.5 5.4 5.3
1 1/2 15/32 6.7 6.3 6.4
1 5/8 1/2 8.1 7.3 7.7
1 3/4 9/16 9.1 8.4 9.0
1 7/8 19/32 10.7 10.2 10.4
2 5/8 12.4 11.5 11.9
2 1/8 11/16 13.6 12.8 13.6
2 1/4 23/32 15.6 14.3 15.3
2 3/8 3/4 17.6 15.8 16.2
2 1/2 13/16 19.1 17.4 18.1
2 5/8 27/32 20.5 19.8 20.2
2 3/4 7/8 22.9 21.6 22.3
2 7/8 29/32 25.4 23.4 24.6
3 15/16 28.9 25.4 26.9
3 1/8 1 30.7 27.4 29.4
3 1/4 1 1/32 33.6 30.5 30.6
3 3/8 1 1/16 36.6 32.7 33.2
3 1/2 1 1/8 39.6 35.0 36.0
3 5/8 1 5/32 41.8 37.3 38.8
3 3/4 1 3/16 45.1 39.7 41.7
3 7/8 1 1/4 48.6 42.2 44.7
4 1 9/32 50.9 46.0 47.8
4 1/8 1 5/16 54.6 48.7 51.1
4 1/4 1 11/32 57.1 51.4 54.4
4 3/8 1 3/8 61.0 54.3 56.2
4 1/2 1 7/16 65.0 57.2 59.6
4 5/8 1 15/32 67.7 60.2 63.3
4 3/4 1 1/2 71.9 64.7 67.0
4 7/8 1 9/16 74.8 67.9 70.8
5 1 19/32 79.2 71.1 74.7
5 1/8 1 5/8 83.7 74.5 78.8
5 1/4 1 11/16 88.5 77.9 83.0
5 1/2 1 3/4 96.5 84.9 89.3
5 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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30 August 1926
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