✨ Wire Rope Load Tables
Table No. 19.—Double-wire-rope Strops.
TABLE OF BREAKING-LOADS AND CORRESPONDING SAFE-WORKING LOADS FOR DOUBLE STROPS WITH A THIMBLE IN EACH END AND MADE OF BLACK-STEEL-WIRE ROPE OF PATENT IMPROVED PATENT STEEL QUALITY OF THE BREAKING-LOAD SPECIFIED IN APPENDIX II.
(Strop loaded as shown in Diagram No. 7.)
| Two Ropes each of Size | Strands and Wires 6/19. | Strands and Wires 6/24. | Strands and Wires 6/37. |
|---|---|---|---|
| Circumference, in Inches. | Diameter, in Inches. | Breaking-load, in Tons. | Working-load, in Tons, &c. |
| 2 | 5/8 | 24·8 | T. cwt. qr. lb. |
| 2⅛ | 11/16 | 27·2 | 3 0 1 21 |
| 2¼ | 23/32 | 31·2 | 3 9 1 9 |
| 2⅜ | 3/4 | 35·2 | 3 18 0 24 |
| 2½ | 13/16 | 38·2 | 4 4 3 15 |
| 2⅝ | 27/32 | 41·0 | 4 11 0 12 |
| 2¾ | 7/8 | 45·8 | 5 1 3 3 |
| 2⅞ | 29/32 | 50·8 | 5 12 3 15 |
| 3 | 15/16 | 57·8 | 6 8 1 21 |
Table No. 20.—Double-wire-rope Strops.
TABLE OF BREAKING-LOADS AND CORRESPONDING SAFE-WORKING LOADS FOR DOUBLE STROPS WITH A THIMBLE IN EACH END AND MADE OF GALVANIZED-STEEL-WIRE ROPE OF HAWSER BASIC QUALITY OF THE BREAKING-LOAD SPECIFIED IN APPENDIX III.
(Strop loaded as shown in Diagram No. 7.)
| Two Ropes each of Size | Strands and Wires 6/19. | Strands and Wires 6/24. | Strands and Wires 6/37. |
|---|---|---|---|
| Circumference, in Inches. | Diameter, in Inches. | Breaking-load, in Tons. | Working-load, in Tons, &c. |
| 2 | 5/8 | 23·4 | T. cwt. qr. lb. |
| 2⅛ | 11/16 | 25·8 | 2 12 0 0 |
| 2¼ | 23/32 | 30·8 | 2 17 1 9 |
| 2⅜ | 3/4 | 33·4 | 3 8 1 21 |
| 2½ | 13/16 | 36·0 | 3 14 0 24 |
| 2⅝ | 27/32 | 38·8 | 4 0 0 0 |
| 2¾ | 7/8 | 43·4 | 4 6 0 24 |
| 2⅞ | 29/32 | 48·0 | 4 16 1 21 |
| 3 | 15/16 | 51·2 | 5 13 3 3 |
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VUW Te Waharoa —
NZ Gazette 1926, No 61
NZLII —
NZ Gazette 1926, No 61
✨ LLM interpretation of page content
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Table of Safe-Working Loads for Galvanized-Wire-Rope Purchases (Six Parts)
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🚂 Transport & CommunicationsSafe-Working Loads, Galvanized-Wire-Rope Purchases, Marine Department, Six Parts