Modern SeamanshipD. Van Nostrand Company, 1918 - 712ÆäÀÌÁö |
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28 ÆäÀÌÁö
... to Cordage , see Appendix . Rope tends to contract when wet , and unless allowed to do so freely may be injuriously strained . It is for this reason and to prevent danger to the yards , etc. , that 28 ROPE - KNOTTING AND SPLICING .
... to Cordage , see Appendix . Rope tends to contract when wet , and unless allowed to do so freely may be injuriously strained . It is for this reason and to prevent danger to the yards , etc. , that 28 ROPE - KNOTTING AND SPLICING .
85 ÆäÀÌÁö
... is applied suddenly , with a blow or a jerk , its effect is doubled , and this should be allowed for in calculating the size of rope required . ( 86 ) CHAPTER V. HANDLING HEAVY WEIGHTS . Where BLOCKS AND TACKLES . 85.
... is applied suddenly , with a blow or a jerk , its effect is doubled , and this should be allowed for in calculating the size of rope required . ( 86 ) CHAPTER V. HANDLING HEAVY WEIGHTS . Where BLOCKS AND TACKLES . 85.
96 ÆäÀÌÁö
... allowed in either hoisting or lowering . A heavy surge will nearly or quite double the strain . Finally , in reeving the purchases , leading the falls , etc. , atten- tion should be given to the principles explained , and the rules laid ...
... allowed in either hoisting or lowering . A heavy surge will nearly or quite double the strain . Finally , in reeving the purchases , leading the falls , etc. , atten- tion should be given to the principles explained , and the rules laid ...
116 ÆäÀÌÁö
... allowed to sink to the bottom , after which the line is paid out and the time noted exactly as in the case of the chip - log , care being taken not to drag the lead . This method not only gives the speed over the bottom , but shows the ...
... allowed to sink to the bottom , after which the line is paid out and the time noted exactly as in the case of the chip - log , care being taken not to drag the lead . This method not only gives the speed over the bottom , but shows the ...
122 ÆäÀÌÁö
... allowed to turn ; for so long as they are held , the shaft in turning will be merely screwing the friction plates ( ¬Ó B ' ) more tightly upon the drum . To reel in , therefore , we release D by throwing up the hinged clamp E , which allows ...
... allowed to turn ; for so long as they are held , the shaft in turning will be merely screwing the friction plates ( ¬Ó B ' ) more tightly upon the drum . To reel in , therefore , we release D by throwing up the hinged clamp E , which allows ...
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abaft anchor angle beam Bend bight blast block boat boom cable capstan Carrick Bend carry chain clear clear-hawse collision compass connected convenient course coxswain crossing danger davit deck direction distance engines fathoms feet force forward friction Friction Band gear going ahead halyards handling hauling hawse hawse-pipe hawser head heavy helm hemp hook keel keep knots length let go lift lower manila mast men-of-war miles necessary oars pass pendant Plate port side pump riding rope Round Seizing rudder rules running sail sailing-vessel screw sea-anchor shackle shaft sheave ship ship swings signal slack small-stuff sound spar speed Splice starboard steam steam-vessel steamer steering stern stop storm strands surf swing swivel tackle tension tide tons towing tube turn U. S. Navy United States Navy unshackled usually valve vessel weather weight white light wind windlass wire yard