قراءة كتاب Knots, Bends, Splices With tables of strengths of ropes, etc. and wire rigging

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Knots, Bends, Splices
With tables of strengths of ropes, etc. and wire rigging

Knots, Bends, Splices With tables of strengths of ropes, etc. and wire rigging

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دار النشر: Project Gutenberg
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half hitch taken with a rather long end, which is used up by twisting it back around its own part of the hitch. In Fig. 29 the hitch is purposely left very loose so that its formation may be the more easily seen.

(13) A Fisherman's Bend is formed by taking two round turns around the object to which the rope is to be secured, and then backing the end round in the form of a half hitch under both the standing part and second round turn. The end may be further secured by taking a half hitch around its own part or by stopping it to it (Figs. 31, 32), the dotted line showing the next direction the end c must take.

Fig. 31. Fig. 32.

It is used when securing a hauling line to the ring of the kedge, or for bending a rope to a bucket, etc., and is often called a bucket hitch.

(14). A Topsail Halyard Bend.—This bend is never seen in deep water ships, but is sometimes used on board yachts. It is commenced in a similar manner to a fisherman's bend, but three round turns are first taken around the spar, the end being backed around the standing part a and then led under all three turns as in Fig. 33, and then again backed over the last two round turns and under the first, as shown in Fig. 34.

Fig. 33. Fig. 34.

(14). A Stun'sail Halyard Bend is simply a Fisherman's bend with the end backed again over the last round turn and under the first (Fig. 35).

Fig. 35.

(15). A Blackwall Hitch is a quick way of temporarily securing a rope to a hook. As will be seen from the illustration (Fig. 36) it consists of a half hitch, the standing part a as soon as it receives the strain jamming the end part c. It holds much more firmly than would be imagined at first sight. By taking another round turn at b before passing the end c under a, it will hold more securely.

Fig. 36.

(17). A Midshipman's Hitch is sometimes used instead of a Blackwall hitch, and will hold better if the rope is at all greasy. It is made by first forming a Blackwall hitch and then taking the underneath part and placing it over the bill of the hook (Fig. 37).

Fig. 37.

(18). A Double Blackwall Hitch is made by taking the bight of the rope and placing it across the neck of the strop of the block, crossing it behind, then placing the under part over the hook and crossing the upper part on top of it (Fig. 38). It holds better than either of the two preceding hitches.

Fig. 38.




KNOTS, Etc., MADE ON THE BIGHT OF A ROPE,
THAT IS, WITHOUT UTILISING THE ENDS.

(1). A Bowline on the Bight—Using both parts of the rope together, commence as in making an ordinary bowline (Fig. 39). To finish off, open out bight c, and taking it in the direction indicated by the dotted line, pass the whole knot through it and haul taut, when it will appear as in Fig. 40.

Fig. 39. Fig. 40.

(2). A Marline-Spike Hitch is used for getting a purchase with a marline-spike, capstan bar, etc., when putting on a seizing or lashing. By Fig. 41 it will be seen to consist of the standing part picked through a loop laid over it, so that the spike lies under the standing part and over the sides of the loop.

Fig. 41.

(3). A Sheep Shank is used for shortening a rope. Gather up the amount desired in the form of Fig. 42.

Fig. 42.

Then with parts a and b form a half hitch round the two parts of the bight as in Fig. 43.

Fig. 43.

To render it still more dependable, the bight a and b may be seized or toggled to the standing parts as in Figs. 44 and 45.

Fig. 44. Fig. 45.

(4). A Catspaw is formed in a rope to make a temporary loop for hooking on the block of a tackle. First throw back a bight as in Fig. 46.

Fig. 46.

Then taking hold of a and b in either hand twist them up as in Fig. 47; bring together the two eyes a and b and hook in the tackle.

Fig. 47.




KNOTS, BENDS, AND HITCHES FOR UNITING ROPES.

(1). A Reef Knot.—The simplest of all knots, and is always used when a common tie is required. Its formation may be easily traced in Figs. 48, 49, 50. Having constructed the knot as far as Fig. 48, be sure part a is kept in front of part b as here shown, and the end c led in according to the direction of the dotted line.

Fig. 48. Fig. 49. Fig. 50.

(2). A Common Bend or Sheet Bend.—In making a bend the ends of the two ropes are not used simultaneously as in forming a reef knot, but an eye or loop is first formed in the end of one of the ropes as in Fig. 51, and the other rope's end is then rove through it in

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