Locomotive performance; the result of a series of researches conducted by the Engineering Laboratory of Purdue University by Goss W. F. M. (William Freeman Myrick) 1859-1928 & Purdue University. Engineering Laboratory

Author:Goss, W. F. M. (William Freeman Myrick), 1859-1928 & Purdue University. Engineering Laboratory
Language: eng
Format: epub
Tags: Locomotives -- Testing, Locomotives -- Performance
Publisher: New York, Wiley
Published: 1907-03-25T05:00:00+00:00

THE FRONT END.

233

TABLE LIV. FORTY-MILE SERIES.

CONSTANTS.

Pounds of Steam used.

Cut-off.

f Miles per hour 40

\R. P. M. 194.4

f Per hour 12988

\ Per minute 216

f in inches 6.4

\ in per cent of stroke 26.9

M.E.P. 52.0 los

RESULTS.

LOCOMOTIVE PERFORMANCE.

TABLE LIV.— (Continued). FORTY-MILE SERIES.

THE FRONT END.

235

TABLE LIV.— (Continued}. FORTY-MILE SERIES.

LOCOMOTIVE PERFORMANCE

TABLE LIV.— (Continued).

FORTY-MILE SERIES.

* Normal.

THE FRONT END.

237

114. The Effect upon Stack Proportions of Changes in Speed and Cut-off.—The experiments were made to involve a great variety of conditions with reference to speed and cut-off, in order that the differences in the efficiency of the stack arrangement, which resulted from such changes, might be known. From a careful study of all of this data it can be stated with confidence that, within reasonable limits, no change in the condition of running affects in any marked degree the efficiency of the stack; that a stack and nozzle which are satisfactory at

Stack A

Height 26!^

Stack B

Height 36'j

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