STRENGTH OF MANILA ROPE

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Diameter of │ Average Quality

Rope in Inches│ New Manila Rope

──────────────┼─────────────────

2 3/4 │ 26

2-1/2 │ 21-1/2

2-1/4 │ 18-1/2

2 │ 15

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1-3/4 │ 12-1/2

1-5/8 │ 10

1-1/2 │ 8-1/2

1-3/8 │ 7-1/2

1-1/4 │ 6-1/4

1-1/8 │ 5-1/4

1 │ 4

──────────────┼─────────────────

7/8 │ 3-1/4

3/4 │ 2-1/4

5/8 │ 2

9/16 │ 1-1/2

1/2 │ 1-1/5

7/16 │ 3/4

3/8 │ 1/2

5/16 │ 3/8

9/32 │ 3/10

1/4 │ 1/4

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The Use of Ropes and Tackle · 第 29 / 57 题