Word: radial
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...importance of this fact was that last year the Army, fed up with the air resistance of air-cooled radial engines (their "built in head winds''), all but abandoned them for fast fighter craft, ordered the bulk of its fighters equipped with Allison 1,090-h.p. liquid-cooled inline engines. Meanwhile Pratt & Whitney and Wright Aeronautical, top-flight U. S. engine builders, stuck to air-cooled radials (which in-line engine men scornfully call "starfish") and increased their power. Result: Pratt & Whitney is in production with a tremendous single package of power: a 2,000-h.p. 18-cylinder...
General Motors Corp.'s Allison-making subsidiary in Indianapolis has had many a headache, many a delay. This was to be expected: all new engines have "bugs," and the liquid-cooled Allison was a daring departure from the radial, air-cooled engines which had become standard in the U. S. In August, Allison expected to turn out 130 engines, actually produced 80, most of which went to Curtiss-Wright. These still had bugs, were limited to 950 instead of their rated 1,050 h.p. Last week the Army heard good Allison news for a change: that the last bugs...
...Blunt, air-cooled, radial engines...
Today, engines for big ships are produced by only three U. S. factories: Pratt & Whitney (at East Hartford, Conn.) and Wright (at Paterson, N. J.), which produce radial, air-cooled engines, and General Motors Corp.'s Allison Engineering Co. (Indianapolis), which is just getting into production on liquid-cooled inline motors. If there is ever a bottleneck in the production of aircraft for war it will be in the compact engine business, but last week it did not appear close. For Pratt & Whitney and Wright had finished their expansions for wartime business, were operating at no more than...
Last week, however, it was Pratt & Whitney's turn to smile all over its corporate face. Over its East Hartford, Conn, plant roared a Vultee A19 motored by an engine of the old radial, air-cooled type that was half again as powerful as the Allison. Weighing slightly less per horsepower than the Allison, it could fit into small pursuit planes as snugly as a cartridge in a rifle breech...