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Some Results Obtained on the Cathode Ray Engine Indicator

Published online by Cambridge University Press:  28 July 2016

E. M. Dodds
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Extract

We have published elsewhere a considerable amount of work on the development of the cathode ray engine indicator and, while most of the pressure elements and circuits which have been developed are perfectly satisfactory on normal petrol and Diesel engines, it has been impossible up to the present time to obtain a really satisfactory pressure-time card on the high duty boosted aircraft engine, the main difficulty being due to the super position of mechanical vibration on the pressure-time diagram. A satisfactory knock indicator has, however, been produced and a few of the results are here discussed, in the hope that they may be of general interest.

Type
Research Article
Information
The Aeronautical Journal , Volume 41 , Issue 314 , February 1937 , pp. 132 - 139
Copyright
Copyright © Royal Aeronautical Society 1937

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References

“The Effect of Jacket and Valve Temperatures on Knock Ratings of Motor Fuels,” by Garner, F. H. and Dodds, E. M., “Engineering,” Vol. 134, July 8, 1932, pp. 45–47, and July 15, 1932, pp. 60-62.Google Scholar
“Cathode-Ray Oscillograph Engine Indicator;” “Engineering,” Vol. 140, Aug. 23, 1935, pp. 183–186.Google Scholar
“The Metrovick-Dodds Indicator,” “Automobile Engineer,” Vol. 25, September, 1935, pp. 323–326.Google Scholar
“Cathode-Ray Oscillograph Engine Indicator,” “Engineering,” Vol. 140, Nov. 8, 1935, p. 508.Google Scholar
“The Nature of the Octane Scale,” by Evans, E. B., Dodds, E. M. and Garner, F. H., Journal of the Institute of Petroleum Technologists, Vol. 21, December, 1935, pp. 1000–1012.Google Scholar
“Development and Application of the Cathode-Ray Engine Indicator,” by Dodds, E. M., S.A.E. Journal, December, 1936.Google Scholar