New Zealand Gazette – 1927 – No. 30

Page 1494

✨ Technical Specifications

Table No. 5.—Black-steel-wire Ropes.

TABLE OF BREAKING-LOADS AND CORRESPONDING WORKING-LOADS FOR BLACK-STEEL-WIRE ROPES OF SPECIAL IMPROVED PATENT STEEL QUALITY USED FOR SINGLE WHIPS, SINGLE STROPS, OR LONG-EYED SNOTTERS AND FOR OTHER SIMILAR CASES WHERE THE LOAD IS CARRIED ON A SINGLE PART.

(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, (approx.), in Inches	Actual Breaking-load, in Tons.	Working-load, in Tons, &c.
1	5/16	3·0	0 8 2 8
1⅛	3/8	3·7	0 10 2 8
1¼	13/32	4·7	0 13 1 20
1⅜	7/16	5·5	0 15 ? 24
1½	15/32	6·7	0 19 0 16
1⅝	1/2	8·1	1 3 0 16
1¾	9/16	9·1	1 6 0 0
1⅞	19/32	10·7	1 10 2 8
2	5/8	12·4	1 15 1 20
2⅛	11/16	13·6	1 18 3 12
2¼	23/32	15·6	2 4 2 8
2⅜	3/4	17·6	2 10 1 4
2½	13/16	19·1	2 14 2 8
2⅞	27/32	20·5	2 18 2 8
2¾	7/8	22·9	3 5 1 20
2⅞	29/32	25·4	3 12 2 8
3	15/16	28·9	4 2 2 8
3⅛	1	30·7	4 7 2 24
3¼	1⅑/32	33·6	4 16 0 0
3⅜	1⅓/16	36·6	5 4 2 8
3½	1⅜/8	39·6	5 13 0 16
3⅝	1⅝/32	41·8	5 19 1 20
3¾	1⅞/16	45·1	6 8 3 12
3⅞	1⅞/4	48·6	6 18 3 12
4	1⅞/32	50·9	7 5 1 20
4⅛	1⅞/16	54·6	7 16 0 0
4¼	1⅞/32	57·1	8 3 0 16
4⅜	1⅞/8	61·0	8 14 1 4
4½	1⅞/16	65·0	9 5 2 24
4⅞	1⅞/32	67·7	9 13 1 20
4¾	1⅞/2	71·9	10 5 1 20
4⅞	1⅞/16	74·8	10 13 2 24
5	1⅞/32	79·2	11 6 1 4
5⅛	1⅞/8	83·7	11 19 0 16
5¼	1⅞/16	88·5	12 12 3 12
5⅜	1⅞/4	96·5	13 15 2 24
5½	1⅞/32	104·9	14 19 2 24
6	1⅞/32	115·5	16 10 0 0

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VUW Te Waharoa — NZ Gazette 1927, No 30

NZLII — NZ Gazette 1927, No 30

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✨ LLM interpretation of page content

🚂 Regulations for cargo gear and handling (continued from previous page)

Domain🚂 Transport & Communications
KeywordsCargo 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

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