Modern SeamanshipD. Van Nostrand Company, 1918 - 712페이지 |
도서 본문에서
100개의 결과 중 1 - 5개
14 페이지
... direction , and by turning the engine in the reverse direction , the nuts approach each other and the cross - head is turned in the reverse direction . When hydraulic power is used , the side rod from each side of the cross - head con ...
... direction , and by turning the engine in the reverse direction , the nuts approach each other and the cross - head is turned in the reverse direction . When hydraulic power is used , the side rod from each side of the cross - head con ...
15 페이지
... direction of its flow is controlled by a control shaft E. When the control shaft is in its neutral position no fluid is pumped , when it is turned in either direction from neutral the flow is in a corresponding direction , and the ...
... direction of its flow is controlled by a control shaft E. When the control shaft is in its neutral position no fluid is pumped , when it is turned in either direction from neutral the flow is in a corresponding direction , and the ...
52 페이지
... direction ; and that the magni- tude and direction of this " resultant force " as it is called , may be deduced from the original forces by a very simple construc- tion . The derivation of a single resultant from several distinct forces ...
... direction ; and that the magni- tude and direction of this " resultant force " as it is called , may be deduced from the original forces by a very simple construc- tion . The derivation of a single resultant from several distinct forces ...
54 페이지
... direction and in length , the desired resultant ; its length being measured , of course , in the same units that ... directions , are equivalent to oc . OA is found to be 6 tons and o B , 9 tons . Similarly in Fig . 2 , suppose we have a ...
... direction and in length , the desired resultant ; its length being measured , of course , in the same units that ... directions , are equivalent to oc . OA is found to be 6 tons and o B , 9 tons . Similarly in Fig . 2 , suppose we have a ...
55 페이지
... direction by the resultant of the other two forces . If this were not so , motion would result . Suppose we wish to find the tension on the topping - lift . We lay off oc on any convenient scale to represent the downward pull of the ...
... direction by the resultant of the other two forces . If this were not so , motion would result . Suppose we wish to find the tension on the topping - lift . We lay off oc on any convenient scale to represent the downward pull of the ...
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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