The Walschaert and Other Modern Radial Valve Gears for Locomotives: A Practical Treatise on the Locomitive Valve Actuating Mechanism Invented by Egide Walschaerts, with the History of Its Development and Its Evolution Into the Mechanically Correct Locomotive Valve Gear of the Present Day ... |
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Результати 1-5 із 10
Сторінка 74
On leading truck 24,400 pounds Diameter of cylinders . .21 1-2 inches On driving
wheels 167,800 pounds Stroke of piston 28 inches On trailing truck . 44,000
pounds Valves , piston type ' internal admission Total engine 236,200 pounds ...
On leading truck 24,400 pounds Diameter of cylinders . .21 1-2 inches On driving
wheels 167,800 pounds Stroke of piston 28 inches On trailing truck . 44,000
pounds Valves , piston type ' internal admission Total engine 236,200 pounds ...
Сторінка 75
20. FIG . 20. - Decapod Switching Locomotive with Walschaert Valve Gear . Built
by the American Locomotive Co. The heaviest and most powerful switching
engine . On driving wheels Total engine . Tender 270,000 pounds . 270,000
pounds .
20. FIG . 20. - Decapod Switching Locomotive with Walschaert Valve Gear . Built
by the American Locomotive Co. The heaviest and most powerful switching
engine . On driving wheels Total engine . Tender 270,000 pounds . 270,000
pounds .
Сторінка 129
A saving of 1,745 pounds is possible by using the Walschaert gear , in the case
of a very heavy passenger engine . The Stephenson gear , weighing as much as
two tons , is far too heavy to be satisfactorily reversed twice in every revolution on
...
A saving of 1,745 pounds is possible by using the Walschaert gear , in the case
of a very heavy passenger engine . The Stephenson gear , weighing as much as
two tons , is far too heavy to be satisfactorily reversed twice in every revolution on
...
Сторінка 134
... Link lifter 45 Reverse shaft and arms 260 . Rockers 260 . Rocker boxes 240 .
Transmission bar 300 . Transmission - bar hanger 8o . Valve rod 8o . Vibrating
rod Vibrating link 220 260 280 400 140 72 70 220 70 3,665 Total , pounds
Saving ...
... Link lifter 45 Reverse shaft and arms 260 . Rockers 260 . Rocker boxes 240 .
Transmission bar 300 . Transmission - bar hanger 8o . Valve rod 8o . Vibrating
rod Vibrating link 220 260 280 400 140 72 70 220 70 3,665 Total , pounds
Saving ...
Сторінка 135
One thousand two hundred eighty - three pounds is a tremendous weight to be
included unnecessarily in rapid - acting machinery ; especially when the
deflection of one - thirty - second of an inch may change the motion sufficiently to
blind ...
One thousand two hundred eighty - three pounds is a tremendous weight to be
included unnecessarily in rapid - acting machinery ; especially when the
deflection of one - thirty - second of an inch may change the motion sufficiently to
blind ...
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action admission port admission valves advance ahead American amount angle axle backward balanced block Brake broken built carried cause centre combination lever common compression connection correct cover crank crosshead cut-off cylinder dead diagrams direction disconnected distance eccentric rod effect engine equal equipped exactly exhaust forward frame front fulcrum give given hole illustrated inches inside admission lead length link motion link-block locomotive lower end main rod main-pin mechanism method moved movement necessary notch obtained opening opposite piece piston placed position pounds practical pressure quarter question radius rod reason received reference remove represented reverse lever road secure shaft short shortened shown side steam Stephenson link stroke tion train transmission turning valve motion valve rod valve-stem vertical Walschaert gear Walschaert valve gear weight wheel