✨ 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. |
| 1¾ | 9/16 | 2,466 | T. cwt. qr. lb. | 411 | 3½ | 1¹/₈ | 9,882 | T. cwt. qr. lb. | 1,647 |
| 2 | 5/8 | 3,222 | 0 3 2 19 | 537 | 3¾ | 1³/₁₆ | 11,340 | 0 14 2 23 | 1,890 |
| 2¼ | 23/32 | 4,086 | 0 4 3 5 | 681 | 4 | 1⁹/₃₂ | 12,906 | 0 16 3 14 | 2,151 |
| 2½ | 13/16 | 5,040 | 0 6 0 9 | 840 | 4¼ | 1¹¹/₃₂ | 14,565 | 0 19 0 23 | 2,427 |
| 2¾ | 7/8 | 6,102 | 0 7 2 0 | 1,017 | 4½ | 1⁷/₁₆ | 16,326 | 1 1 2 19 | 2,721 |
| 3 | 15/16 | 7,254 | 0 9 0 9 | 1,209 | 4¾ | 1¹/₂ | 18,195 | 1 4 1 5 | 3,032 |
| 3¼ | 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. |
| 1¾ | 9/16 | 3,082 | T. cwt. qr. lb. | 514 | 3½ | 1¹/₈ | 12,352 | T. cwt. qr. lb. | 2,059 |
| 2 | 5/8 | 4,027 | 0 4 2 10 | 671 | 3¾ | 1³/₁₆ | 14,175 | 0 18 1 15 | 2,362 |
| 2¼ | 23/32 | 5,107 | 0 5 3 27 | 851 | 4 | 1⁹/₃₂ | 16,132 | 1 1 0 10 | 2,689 |
| 2½ | 13/16 | 6,300 | 0 7 2 11 | 1,050 | 4¼ | 1¹¹/₃₂ | 18,206 | 1 4 0 1 | 3,034 |
| 2¾ | 7/8 | 7,627 | 0 9 1 14 | 1,271 | 4½ | 1⁷/₁₆ | 20,407 | 1 7 0 10 | 3,401 |
| 3 | 15/16 | 9,067 | 0 11 1 11 | 1,511 | 4¾ | 1¹/₂ | 22,744 | 1 10 1 13 | 3,790 |
| 3¼ | 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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VUW Te Waharoa —
NZ Gazette 1935, No 49
NZLII — 🌐 NZ Gazette 1935, No 49
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Safe-working loads for fibre-rope yard-arms and coal-whips (Ordinary Grade)
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🚂 Safe-working loads for fibre-rope yard-arms and coal-whips (Higher Grade)
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