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Carburettor AirScoops

Carburettor AirScoops IN our recent intensive efforts to carry aeroplane performance to higher speeds and altitudes, we have encountered many complex problems in apparently simple development of previously satisfactory practice. Ignition, cooling, and fuel vapour control are only a few instances. Similarly, the design of an aircraft carburettor airscoop would appear to offer only elementary questions of design. How to locate the opening where it will receive full airspeed ram, and how to fair it in with the cowling structure, would seem to lie well within current knowledge actually there are indications that many present designs could be improved. Likewise, many of our ideas as to the effect of airscoops upon carburation have been derived from the past when carburettors were nonautomatic, requiring continuous readjustment by the pilot as soon as the aeroplane left the ground for changes of air pressure, temperature, and ram, and any accompanying disturbances in the scoop duct system could usually, though not always, be taken care of by the same manual adjustment. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Aircraft Engineering and Aerospace Technology Emerald Publishing

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Publisher
Emerald Publishing
Copyright
Copyright © Emerald Group Publishing Limited
ISSN
0002-2667
DOI
10.1108/eb031018
Publisher site
See Article on Publisher Site

Abstract

IN our recent intensive efforts to carry aeroplane performance to higher speeds and altitudes, we have encountered many complex problems in apparently simple development of previously satisfactory practice. Ignition, cooling, and fuel vapour control are only a few instances. Similarly, the design of an aircraft carburettor airscoop would appear to offer only elementary questions of design. How to locate the opening where it will receive full airspeed ram, and how to fair it in with the cowling structure, would seem to lie well within current knowledge actually there are indications that many present designs could be improved. Likewise, many of our ideas as to the effect of airscoops upon carburation have been derived from the past when carburettors were nonautomatic, requiring continuous readjustment by the pilot as soon as the aeroplane left the ground for changes of air pressure, temperature, and ram, and any accompanying disturbances in the scoop duct system could usually, though not always, be taken care of by the same manual adjustment.

Journal

Aircraft Engineering and Aerospace TechnologyEmerald Publishing

Published: May 1, 1943

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