Engine designed by Aircooled Motors, Inc, Syracuse, NY, offers highest specific power output of any aircraft engine of horizontally opposed, air cooled type; 0-425-2 is reciprocating, piston type engine designed to provide military helicopters with increased sea level and altitude performance; displacement 425 cu in.; takeoff power rating 300 bhp from sea level to 7200 ft altitude.
New Franklin engine offers increased performance
Am Helicopter
American Helicopter ; 35 , n 9
1954
Article (Journal)
English
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