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Knots in Use

Артикул: 00477429
в желания В наличии
Автор: Colin Jarman
Издательство: Adlard Coles Nautical (все книги издательства)
Место издания: England
ISBN: 978-1-4729-0345-7
Год: 2013
Страниц: 96
1150 P
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Materials and construction techniques have come a long way in recent years and continue to be developed at amazing rates, driven by the high performance requirements of offshore and trans-ocean high budget racers. Unfortunately, some of the more exotic materials really are very expensive indeed; for the most part high performance comes at a high price.
The main benefits of these high tech lines are their light weight coupled with high strength and low stretch. Indeed, for the majority of jobs on an average boat, strength is not something we need to worry about. If the line is thick enough for easy handling, it's strong enough for the job. (This assumes sheaves of at least 5:1 diameter ratio and no kinks or sharp bends and careful knotting.)
The questions to be asked then revolve around the degree of stretch that is either required or is acceptable, and the preferred construction. However, one thing that must be remembered on the matter of strength is that should a permanent eye be needed in the end of a line (for example, to fit a shackle on a halyard), that eye should be spliced in, not formed with a knot. A good splice will retain over 80 per cent of the rope's strength, but a knot will reduce the strength by up to 50 per cent. Frightening, isn't it?
Polyester, sometimes referred to by the abbreviation PES, is available as a three strand laid rope, a plait, a laid core with plaited sheath, or as a braid on braid line. Finishes can either be smooth or slightly roughened for easier handling. It's an excellent all round material for low stretch purposes such as halyards and sheets on dinghies and cruisers, where it's both durable and relatively chafe and chemical resistant. It's far from being the lowest stretch material available (25 per cent at break) nor is it the strongest (8g per denier), but for the average boatowner it represents good value for money in addition to being easy to handle and work.

About ropes
Some rope terms explained
Reef Knot Slipped Reef Knot Figure of Eight Bowline
Round Turn and Two Half Hitches
Fisherman's or Anchor Bend
Clove Hitch
Lighterman's Hitch
Sheet Bend or Becket Bend
Double Sheet or Becket Bend
Rolling Hitch on a Rope
Rolling Hitch Around a Spar
Figure of Eight Loop
Constrictor Knot
Surgeon's Knot
Carrick Bend
Waggoner's or Trucker's Hitch Marling Hitch Buntline Fisherman's Bend Spar Hitch
Sliding Figures of Eight Stopper
Bowline on the Bight
Spanish Bowline
Jury or Masthead Knot
Hunter's Bend
Coiling Hitches
Halyard Coil
Half Hitch Coil for Stowage
Buntline or Gasket Coil
Common Whipping ф
West Country Whipping
Needle and Palm Whipping
Sailmaker's Whipping
Alternatives to Whipping
Short Splice
Long Splice
Three Strand Eye Splice
Multiplait Eye Splice
Stitch and Whip Eye in Plaited Rope
Laid Core Eye Splice
Braid on Braid Eye Splice
Flemish Wire Eye Splice
Multiplait to Chain Splice
How to use the QR Codes in this book

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