Evolution of the Air-Brake. a Brief But Comprehensive History of the Development of the Modern Railroad Brake, From the Earliest Conception Contained in the Simple Lever, Up To, And Including, the Most Approved Forms of the Present Day
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In our eReader you can find the full English version of the book. Read Evolution of the Air-Brake. a Brief But Comprehensive History of the Development of the Modern Railroad Brake, From the Earliest Conception Contained in the Simple Lever, Up To, And Including, the Most Approved Forms of the Present Day Online - link to read the book on full screen. Our eReader also allows you to upload and read Pdf, Txt, ePub and fb2 books. In the Mini eReder on the page below you can quickly view all pages of the book - Read Book Evolution of the Air-Brake. a Brief But Comprehensive History of the Development of the Modern Railroad Brake, From the Earliest Conception Contained in the Simple Lever, Up To, And Including, the Most Approved Forms of the Present Day
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To quickly assess the difficulty of the text, read a short excerpt:
Now Evoi,uiiON OF THE Air. Brake.
81 TO CYLINDtK Fici. 72— Westinghouse Standaed Plain Triple Valve (1879).
in practice it was soon discovered that with the device as shown in Fig. 71 there was a tendencj; for the sliJe valve to move clear back to the release position instead of stopping just at the point where the graduating port was covered, but the e5chaust not yet open. This was due in part to the fact that the amount of force necessary to start the valve upward was more than enough to carr...y it to the end of its.
82 Evolution of the Air Brake. ■ stroke after it started. It is a general and well known law that it takes more force to start a bddy, in motion than it r'equires to keep it moving after it is Started, and this case was but one instance of that law. To overcome this, then, the slide valve was given a slight range of motion independent. of the piston stem, and the small grad- uating valve was so inserted that after the slide-valve had uncovered the port to the cylinder, d slight upward movement of the piston would seat the small valve e-l, and without moving the slide valve cut off communication from the reservoir to the brake cylinder, the resistance afforded by the friction of the slide valve itself acting to stop the upward movement of the piston and prevent any uninten- tional release dviring the service application.
What to read after Evolution of the Air-Brake. a Brief But Comprehensive History of the Development of the Modern Railroad Brake, From the Earliest Conception Contained in the Simple Lever, Up To, And Including, the Most Approved Forms of the Present Day?
You can find similar books in the "Read Also" column, or choose other free books by Paul Synnestvedt to read onlineMoreLess
To quickly assess the difficulty of the text, read a short excerpt:
Now Evoi,uiiON OF THE Air. Brake.
81 TO CYLINDtK Fici. 72— Westinghouse Standaed Plain Triple Valve (1879).
in practice it was soon discovered that with the device as shown in Fig. 71 there was a tendencj; for the sliJe valve to move clear back to the release position instead of stopping just at the point where the graduating port was covered, but the e5chaust not yet open. This was due in part to the fact that the amount of force necessary to start the valve upward was more than enough to carr...y it to the end of its.
82 Evolution of the Air Brake. ■ stroke after it started. It is a general and well known law that it takes more force to start a bddy, in motion than it r'equires to keep it moving after it is Started, and this case was but one instance of that law. To overcome this, then, the slide valve was given a slight range of motion independent. of the piston stem, and the small grad- uating valve was so inserted that after the slide-valve had uncovered the port to the cylinder, d slight upward movement of the piston would seat the small valve e-l, and without moving the slide valve cut off communication from the reservoir to the brake cylinder, the resistance afforded by the friction of the slide valve itself acting to stop the upward movement of the piston and prevent any uninten- tional release dviring the service application.
What to read after Evolution of the Air-Brake. a Brief But Comprehensive History of the Development of the Modern Railroad Brake, From the Earliest Conception Contained in the Simple Lever, Up To, And Including, the Most Approved Forms of the Present Day?
You can find similar books in the "Read Also" column, or choose other free books by Paul Synnestvedt to read onlineMoreLess
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