Jan 14, 1960
New York Airways' new Vertol 107 helicopters will be powered by two General Electric CT58 turboshaft engines, the first and to date only U.S. gas turbine certified for commercial helicopter service by the Federal Aviation Agency.
Developing more power per pound of engine than any other turbo-shaft flying today, the CT58 by specification delivers 1050 shaft horsepower, weighs only 280 pounds and has a specific fuel consumption of 0.64 lb/hp-hr. By September 1961, the advanced model of the CT58 will deliver 1250 shp at an SFC of 0.61 lb/hp-hr.
A compact engine, the CT58 is 55 inches long with a 16 inch maximum diameter.
It is the commercial counterpart of the military T58 turboshaft engine developed for the U.S. Navy by General Electric's Small Aircraft Engine Department in Lynn, Mass.
Now in production, the T58 is accumulating flight time in several Navy, Army and civil helicopter programs, and has undergone more than six years of intensive development including exhausting and diversified testing.
Powerplant operating experience now totals approximately 25,000 hours.
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