Technical Standards Tables




JULY 11.] THE NEW ZEALAND GAZETTE. 1903

Table No. 35.—Fibre-rope Yard-arms and Coal-whips (Ordinary Grade).

TABLE OF SAFE-WORKING LOADS FOR ORDINARY-GRADE ROUND FIBRE ROPES WHEN NEW AND WHEN USED FOR YARD-ARMS OR COAL-WHIPS, AND WHEN THE LOAD IS CARRIED ON A SINGLE PART (DIAGRAM No. 9).

(Ropes to be closely spun and not tarred.)

Size of Rope. in in in Size of Rope. in in in
Circumference, in Inches. Diameter, in Inches (approximate). Breaking-load, Pounds. Working-load, Tons, &c. Working-load, Pounds. Circumference, in Inches. Diameter, in Inches. Breaking-load, Pounds. Working-load, Tons, &c. Working-load, Pounds.
9/16 2,466 T. cwt. qr. lb. 411 1¹/₈ 9,882 T. cwt. qr. lb. 1,647
2 5/8 3,222 0 3 2 19 537 1³/₁₆ 11,340 0 14 2 23 1,890
23/32 4,086 0 4 3 5 681 4 1⁹/₃₂ 12,906 0 16 3 14 2,151
13/16 5,040 0 6 0 9 840 1¹¹/₃₂ 14,565 0 19 0 23 2,427
7/8 6,102 0 7 2 0 1,017 1⁷/₁₆ 16,326 1 1 2 19 2,721
3 15/16 7,254 0 9 0 9 1,209 1¹/₂ 18,195 1 4 1 5 3,032
1¹/₃₂ 8,514 0 10 3 5 1,419 5 1¹⁹/₃₂ 20,160 1 7 0 8 3,360

Table No. 36.—Fibre-rope Yard-arms and Coal-whips (Higher Grade).

TABLE OF SAFE-WORKING LOADS FOR HIGHER-GRADE ROUND FIBRE ROPES WHEN NEW AND WHEN USED FOR YARD-ARMS OR COAL-WHIPS, AND WHEN THE LOAD IS CARRIED ON A SINGLE PART (DIAGRAM No. 9).

(Ropes to be closely spun and not tarred. Grade to be distinguished by a red thread spun into the centre of one strand.)

Size of Rope. in in in Size of Rope. in in in
Circumference, in Inches. Diameter, in Inches (approximate). Breaking-load, Pounds. Working-load, Tons, &c. Working-load, Pounds. Circumference, in Inches. Diameter, in Inches (approximate). Breaking-load, Pounds. Working-load, Tons, &c. Working-load, Pounds.
9/16 3,082 T. cwt. qr. lb. 514 1¹/₈ 12,352 T. cwt. qr. lb. 2,059
2 5/8 4,027 0 4 2 10 671 1³/₁₆ 14,175 0 18 1 15 2,362
23/32 5,107 0 5 3 27 851 4 1⁹/₃₂ 16,132 1 1 0 10 2,689
13/16 6,300 0 7 2 11 1,050 1¹¹/₃₂ 18,206 1 4 0 1 3,034
7/8 7,627 0 9 1 14 1,271 1⁷/₁₆ 20,407 1 7 0 10 3,401
3 15/16 9,067 0 11 1 11 1,511 1¹/₂ 22,744 1 10 1 13 3,790
1¹/₃₂ 10,642 0 13 1 27 1,774 5 1¹⁹/₃₂ 25,200 1 13 3 10 4,200

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🚂 Safe-working loads for fibre-rope yard-arms and coal-whips (Ordinary Grade) (continued from previous page)

🚂 Transport & Communications
Fibre-rope, Yard-arms, Coal-whips, Safe-working loads, Technical standards, Tables

🚂 Safe-working loads for fibre-rope yard-arms and coal-whips (Higher Grade)

🚂 Transport & Communications
Fibre-rope, Yard-arms, Coal-whips, Safe-working loads, Technical standards, Tables, Higher Grade