Excerpt from Locomotive Sparks

A study of fuel-losses from locomotives, in the form of sparks, was first made by the author in 1896. From this study the work has gradually been extended to embrace other phases of the spark problem until a considerable amount of data has been collected. Meanwhile, a description of the early work having been published, there were received at the laboratory so many inquiries for information concerning sparks that it has seemed best to summarize and publish the facts now in hand. In selecting data for presentation, an effort has been made to serve students of locomotive performance as well as those who may be concerned with more practical problems. Facts are presented which it is hoped will be found useful to those who have to deal with fuel saving, those who may be interested in the design of spark-arresters or front-end appliances, and those who are concerned with the dangers of accidental fires from sparks.

Acknowledgment is due Messrs. Lewis S. Kinnaird, Alfred R. Kipp, George F. Mug, Charles Ducas, and Jay B. Dill, who, while students at Purdue, were interested in advancing some phase of the whole research.

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