New Zealand Gazette – 1935 – No. 49

Page 1879

✨ Technical tables for wire and fibre ropes

JULY 11.] THE NEW ZEALAND GAZETTE. 1879

Table No. 3.

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

(Quality: Hawser Basic. Tensile strength of wires, 85–95 tons per square inch.)

Size of Rope.	Flexible.	Special.	Flexible.
	Construction: Six Strands of 12 Wires each.	Construction: Six Strands of 24 Wires each.	Construction: Six Strands of 30 Wires each.
Circumference, in Inches.	Diameter, in Inches (approximate).	Actual Breaking-load, in Tons.	Actual Breaking-load, in Tons.
1	5/16	2·0	2·6
1¼	13/32	3·1	4·4
1½	15/32	4·8	6·1
1¾	9/16	6·4	8·7
2	5/8	8·3	11·2
2¼	23/32	10·8	14·7
2½	13/16	13·2	17·7
2¾	7/8	15·2	21·1
3	15/16	18·6	25·7
3¼	1¹/32	21·7	29·7
3½	1¹/8	25·7	35·2
3¾	1³/16	29·3	39·9
4	1⁹/32	33·2	44·9
4¼	1¹¹/32	36·4	51·5
4½	1⁷/16	43·3	58·6
4¾	1¹/2	47·0	64·6
5	1¹⁹/32	52·8	70·9
5¼	1¹¹/16	..	77·5
5½	1³/4	..	84·4
5¾	1²⁷/32	..	91·5
6	1²⁹/32	..	99·1
6¼	2	..	104·5
6½	2³/32	..	112·3
6¾	2⁵/32	..	120·3
7	2⁷/32	..	130·7
7½	2³/8	..	..
8	2¹⁷/32	..	..

Table No. 4.

TABLE OF BREAKING-LOADS FOR ORDINARY-GRADE ROUND FIBRE ROPES.

(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	810	3½
1¼	13/32	1,260	3¾
1½	15/32	1,818	4
1¾	9/16	2,466	4¼
2	5/8	3,222	4½
2¼	23/32	4,086	4¾
2½	13/16	5,040	5
2¾	7/8	6,102	5½
3	15/16	7,254	6
3¼	1¹/32	8,514

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VUW Te Waharoa — NZ Gazette 1935, No 49

NZLII — NZ Gazette 1935, No 49

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✨ LLM interpretation of page content

🚂 Galvanized-steel-wire ropes breaking-loads

Domain🚂 Transport & Communications
KeywordsGalvanized-steel-wire ropes, Breaking-loads, Technical Specifications, Hawser Basic

🚂 Ordinary-grade round fibre ropes breaking-loads

Domain🚂 Transport & Communications
KeywordsFibre ropes, Breaking-loads, Technical Specifications, Ordinary-grade

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