New form of cowling developed in Laboratory of National Advisory Committee for Aeronautics for radial air-cooled engine is said to add 30 per cent to effective horsepower of airplanes in flight; report of J. H. Parker, Professor at University of Toronto, quoted; device termed most valuable contribution to flying efficiency since war.
Engine cowling is major development in field of aviation
Can Aviation
Canadian Aviation ; 2 , n 1
1929
Article (Journal)
English
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Emerald Group Publishing | 1934
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