On Naval Warfare with Steam ...J. Murray, 1860 - 175 Seiten |
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Seite 31
... described by the point if the vessel were at rest . Every point farther from the centre of the wheel than that which describes a common cycloid must describe what is called a curtate or contracted cycloid , and every point nearer the ...
... described by the point if the vessel were at rest . Every point farther from the centre of the wheel than that which describes a common cycloid must describe what is called a curtate or contracted cycloid , and every point nearer the ...
Seite 32
... described the cycloidal curve TE ... C , and the inner edge the curve te ... 11. The vessel continuing its rectilinear motion and the wheel its revolution , the edges of the board will describe the looped curves at C PX shown in the ...
... described the cycloidal curve TE ... C , and the inner edge the curve te ... 11. The vessel continuing its rectilinear motion and the wheel its revolution , the edges of the board will describe the looped curves at C PX shown in the ...
Seite 45
... described by the pencil on the cylindrical surfaces against which it presses . ( 1. ) If the pencil describes a straight line upwards or downwards , the piston is not moving ; but , in the first case , the steam pressure in the engine ...
... described by the pencil on the cylindrical surfaces against which it presses . ( 1. ) If the pencil describes a straight line upwards or downwards , the piston is not moving ; but , in the first case , the steam pressure in the engine ...
Seite 48
... described in the account of the indicator . 47. The spring balance is provided with an index and a graduated scale ; and the point at which the index stands when the dynamometer is disconnected from the screw - shaft is the zero of the ...
... described in the account of the indicator . 47. The spring balance is provided with an index and a graduated scale ; and the point at which the index stands when the dynamometer is disconnected from the screw - shaft is the zero of the ...
Seite 64
... described at page 61 of his work on Naval Warfare with Steam . ' This propeller blade consists in a modification of the Admiralty screw - propeller , each blade of which was formerly made of about one - sixth of a helix or complete ...
... described at page 61 of his work on Naval Warfare with Steam . ' This propeller blade consists in a modification of the Admiralty screw - propeller , each blade of which was formerly made of about one - sixth of a helix or complete ...
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action Admiral Admiralty advantage angle attack axis Basilisk blades British broadside centre Charlotte Dundas columns constructed cylinder Dalswinton deck defence direction double échelon effect efficient enemy enemy's fleet engine England equal Fcap Feap feet fire flank force formation French frigates fuel Griffiths Griffiths's gunnery guns helm History horse-power leading corners length line ahead line of battle line of bearing Lord manœuvre military motion moved movement naval tactics naval warfare navy oblique oblique order obtained order of battle paddle paddle iron paddle-boards paddle-wheels patent piston Plates port Portrait position Post 8vo pressure principle propeller rear Royal rudder sail sailing-ships screw corvette screw gun-vessel screw nearly ready screw-propeller screw-vessels Second Edition Sir Howard sloop-of-war speed steam-engine steam-fleets steam-ships steam-vessel steamers stern stroke surface tack Third Edition tion trials velocity vessel vibration Vols voyage wheel wind windward Woodcuts yoke
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Seite 174 - SvO. 4i. PUBLISHED BY MR. MURRAY. 17 HEIRESS (THE) in Her Minority; or, The Progress of Character. By the Author of
Seite 26 - when the piston has moved two-fifteenths of the whole length of stroke, the effective momentum will be the same as that which would be produced by the steam of less elasticity when used unexpansively : while the consumption of steam, and therefore of fuel, in the former case is only onethird
Seite 27 - of the screw is a result much to be dreaded in a general use of that implement, whatever its advantages may be in other respects, and a sufficient number of experiments have not yet been made to ascertain the effects of long-continued screw-propulsion at full speed. Such experiments should therefore be made and continued
Seite 148 - and, it may be added, fired at long ranges with solid shot, as rapidly, at least, as a 10-inch shell-gun, which cannot fire solid shot It has been. recommended to the Government of the United States that there should be constructed a number of sloops of war, each furnished with brass boat-guns—12 and
Seite xvii - the decision respecting the establishment of ships' crews for manning the 45 ships of the line decreed by the Ordonnance of 1846, it was regulated that an adequate increase should be made in the number of companies, each of which was appointed to consist of 60 seamen of the first, second, and third classes, with 20
Seite 148 - Surely this defective shell-gun should be forthwith withdrawn, and the 68-pounder solid-shot gun substituted. There is ample displacement and deck-room to admit of this; and we have the authority of Captain Dahlgren, and even that of the gallant Captain of the ' Diadem,' for asserting, that the 95-cwt solid-shot 68-pounder may be worked as easily as a
Seite 13 - VOYAGE to the Mauritius and back, touching at the Cape of Good Hope and St.
Seite 21 - 1. IT would be foreign to the plan of this work to enter into details respecting the invention of the steam-engine, or to describe the gradual improvements which it has subsequently undergone; * a brief notice only will
Seite 38 - low in the vessel that both the moving power and the propelling machinery are safe from the damaging effects of shot: the screw allows more freely the use of sails, and consequently enables the vessel to which it is applied to retain her faculties as a
Seite xvii - also that the establishment of seamen-gunners should be on so large a scale, that there might be one well-trained gunner to every gun in the ships to which they should be drafted. The decisions of French Commissioners, on subjects referred to them, are not