Automobile Topics Volume 66 by Books Group
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Author: Books Group
Number of Pages: 496 pages
Published Date: 19 May 2012
Publisher: Rarebooksclub.com
Publication Country: Miami Fl, United States
Language: English
Type: eBook
ISBN: 9781236246295
File size: 26 Mb
Download Link: Automobile Topics Volume 66
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This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1922 Excerpt: ...as a group of metering appliances whose registering elements are concentrated in a single recording unit. In this seemingly complex instrument are not less than 17 pen points, under which a moving sheet of paper receives the graphic records of 14 different characteristics of the car's performance. By laying a celluloid chart over the record sheet, after it has been removed from the instrument, it is possible not only to obtain readings of the exact values of these 14 characteristics, but also to compare their relative values as of the same instant. In this way the registering device automatically performs work that otherwise would require the service of more human observers than the average car could carry at any one time. If it be added that the entire equipment is so light that it does not constitute a serious load on the car, and that it is capable of being installed in any automobile for test purposes some idea of the general scope of its application may be gained. It should be said that in practice, the present intention is to operate the machine over a charted course, the directions and grade of which have been carefully measured. Such a course, as a matter of fact. already is in use by the Bureau in connection with certain of its investigations. Thus while giving the effect of true road performance, use of the special course eliminates much of the uncer tainty of ordinary road- work since all-tests run upon it are amenable to proper comparisons. Furthermore 'where grades are encountered, signs are erected at the side of the course reading, "Start," "Change to Second Speed," "High Gear." "Apply Brakes," and the like. In this way past experience is capitalized to show that it is possible ...
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