Farrow's military encyclopedia : a dictionary of military knowledge . ital parts,and endurance. The use of water as a recoil checkmakes a summer gun-carriage ; other Huids are liableto cake or clog the cylinders at an important misadjustmenl or accident to the valves of anyhydraulic check would cause an instant splitting ofthe cylinders, thereby disabling the gun—an impos-sible occurrence when using an elastic gas. .Vs a familiar exampU of the application of pneu-matic force,thi Westinghouse air-brake may be herecited. The introduction of lliis appliance was baf-fied for si.\ years
Farrow's military encyclopedia : a dictionary of military knowledge . ital parts,and endurance. The use of water as a recoil checkmakes a summer gun-carriage ; other Huids are liableto cake or clog the cylinders at an important misadjustmenl or accident to the valves of anyhydraulic check would cause an instant splitting ofthe cylinders, thereby disabling the gun—an impos-sible occurrence when using an elastic gas. .Vs a familiar exampU of the application of pneu-matic force,thi Westinghouse air-brake may be herecited. The introduction of lliis appliance was baf-fied for si.\ years by the opinion of eminent?Engineers as to its x>rM-\ ical utility. It iKver freezesclogs or splits the pipes, and one man controls a griat train of cars. In this coimeelion it maybe remarked that the use of band-gearing in moderngim-carriages is comparable to the old style brakeson a railway train. • Tlie operating of the gun-car-riages, either in the forts or on ships,by means of com- PNEUMATIC GUN CARRIAGE. 549 PNEUMATIC GUN P3CKET LEDGER. 550 POCKET SOLAR COMPASS. pressed air supplied to tlie working parts from thepipe led to the breast of the carriags, and controlledb} simple levers, for rapid training, for rapidly rais-ing or lowering the gun to aim. for checking the re-coil without shock, and for running in and out whendesired, is absolutely practical, certain in its action,and the least liable to accident. A section of the Westinghouse air-pump is shownin the drawing. The parts are numbered as follows:Steam-cjlinder Head (with reversing-cylinder, pis-ton, and valve bushes),2; Steam-cylinder (with themain valve and bushes,) 3: Center-piece, 4: Air-cylinder (with lower discharging-valve), 5; Steam-piston and Rod. 7; Air-piston, SfJIain Piston PacK-ing-ring, 9; theReversimr-valve, the Reversins-valvePlate, the Plate Bolt and Stim, 13, 10, 11, 12, MamSteam-valve, 14; Packmg-rings for the Upper andLower Piston-valves, 15, 16; the Upper an
Size: 1048px × 2384px
Photo credit: © The Reading Room / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1800, bookdecade188, booksubjectmilitaryartandscience
