Tables of Breaking-Loads and Safe-Working Loads




2683
THE NEW ZEALAND GAZETTE.
[No. 61

APPENDIX IV.

TABLE OF BREAKING-LOADS FOR BEST-QUALITY 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 1¹/₈ 9,882
13/32 1,260 1³/₁₆ 11,340
15/32 1,818 4 1⁹/₃₂ 12,906
9/16 2,466 1¹¹/₃₂ 14,565
2 5/8 3,222 1⁷/₁₆ 16,326
23/32 4,086 1¹/₂ 18,195
13/16 5,040 5 1¹⁹/₃₂ 20,160
7/8 6,102 1³/₄ 24,390
3 15/16 7,254 6 1²⁹/₃₂ 29,034
1¹/₃₂ 8,514

Table No. 1.—Short-link Chain.

TABLE OF SAFE-WORKING LOADS FOR SHORT-LINK CHAIN, AND FOR SINGLE SLINGS AND COLLAR SLINGS OF CHAIN CARRYING THE LOAD ON A SINGLE PART OF THE SLING.

Diameter of Iron of Chain, in Inches. Maximum Safe-working Loads. Diameter of Iron of Chain, in Inches. Maximum Safe-working Loads.
Loads, in Tons, &c. Loads, in Pounds. Loads, in Tons, &c. Loads, in Pounds.
¼ T. cwt. qr. lb. 756 1⁸/₁₆ T. cwt. qr. lb. 17,057
⁵/₁₆ 0 6 3 0 1,181 7 12 1 5 18,900
³/₈ 0 10 2 5 1,701 1⁵/₁₆ 8 8 3 0 20,837
⁷/₁₆ 0 15 0 21 2,315 1³/₈ 9 6 0 5 22,869
½ 1 0 2 19 3,024 1⁷/₁₆ 10 4 0 21 24,995
⁹/₁₆ 1 7 0 0 3,827 11 3 0 19 27,216
⁵/₈ 1 14 0 19 4,725 1⁹/₁₆ 12 3 0 0 29,531
¹¹/₁₆ 2 2 0 21 5,717 1⁵/₈ 13 3 2 19 31,941
¾ 2 11 0 5 6,804 1¹¹/₁₆ 14 5 0 21 34,445
¹³/₁₆ 3 0 3 0 7,985 15 7 2 5 37,044
⁷/₈ 3 11 1 5 9,261 1¹³/₁₆ 16 10 3 0 39,737
¹⁵/₁₆ 4 2 2 21 10,631 1⁷/₈ 17 14 3 5 42,525
1 4 14 3 19 12,096 1¹⁵/₁₆ 18 19 2 21 45,407
1¹/₁₆ 5 8 0 0 13,655 2 20 5 1 19 48,384
1¹/₈ 6 1 3 19 15,309


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🚂 Table of Breaking-Loads for Best-Quality Round Fibre Ropes (continued from previous page)

🚂 Transport & Communications
Breaking-Loads, Round Fibre Ropes, Marine Department

🚂 Table of Safe-Working Loads for Short-Link Chain

🚂 Transport & Communications
Safe-Working Loads, Short-Link Chain, Marine Department