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Amtrak 501 Derail in Washington State
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<p>[quote user="243129"]</p> <p><em>"Why is the rate of deceleration higher with the emergency application than with the service application?"</em></p> <p> </p> <p>This is the question I answered.</p> <div style="clear:both;"> </div> <p>[/quote]</p> <p>In my opinion you answered a different question.</p> <p>The Talgo's emergency application <strong>deceleration rate</strong> is not higher than full service (2.7 mph/sec vs. 2.3 mph/sec) because of the dumped air but because the brake cylinder pressure and therefore the brake force is higher.</p> <p>Euclid didn't ask for the <strong>propagation rate</strong> difference (E. 930 ft/sec vs FS 540 ft/sec), the question you answered.<br />regards, Volker</p>
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