Science: Packettes of Power

U.S. Air Force ground crewmen have their work cut out for them. At bases that stretch from Alaska to Africa, their equipment must be able to operate in all kinds of weather. Last week Continental Motors Corp. announced that it had licked at least part of the difficult ground-power problem. It was starting to produce a group of air-cooled engines (15 to 250 h.p.) that run efficiently at temperatures as low as — 65°F.

The new "Packettes" have a preheat system for quick and easy starting on the coldest arctic runways. Fresh air is...

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