TAILIEUCHUNG - Seamanship Techniques 2011 E Part 3

Tham khảo tài liệu 'seamanship techniques 2011 e part 3', kỹ thuật - công nghệ, cơ khí - chế tạo máy phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả | Ropework 63 Standard or Plain Laid Standard lay may be described as a cross between hard- and soft-laid ropes. It has been found by experience to be the best in providing pliability and strength and to be sufficiently hard-wearing and chaferesistant to suit the industry for general purpose working. Sennet-Laid Alternatively known as plaited but not as in the way as the eight strand plaited previously mentioned an example of sennet lay is found with the patent log line where the yarns are interwoven often about a centre heart. This lay of rope has an effective anti-twist non-rotational property. Unkinkable Lay This lay looks like standard lay but close inspection will reveal that the yarns are twisted the same way as the strands. Left-handed in construction it is usually ordered for a specific job . gangway falls. The advantage of this lay is that the tendency for standard lay to kink when passing through a block is eliminated. SMALL STUFF Small stuff is a collective term used at sea with respect to small cordage usually less than 1-1 in. in circumference and of 12 mm diameter approximately. Hambroline hamber line Also known as codline this is supplied in hanks of about 30 fathoms. It is made of soft tarred hemp three yarn or three-stranded laid up righthanded. It is manufactured in two sizes three or six threads and is used for lashings where strength is essential or for lacing sails usually an untarred variety having a hard lay. Houseline Manufactured from Indian hemp houseline is made of three yarns laid up left-handed. It is tarred and sold in balls by weight and often used to secure bolt rope to sails. Boat Lacing Manufactured in fourteen various sizes it is made of a high grade dressed hemp having a fine finish and being smooth to handle. Before the invention of man-made fibre it was used for securing boat covers awnings etc. It is sold in hanks weighing from 93 g to kg. Marline Marline is usually supplied in hanks by weight tarred or untarred. It is .

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