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Pages 121-124

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From page 121...
... Major involvement in programs such as the F-15 and Boeing 767 transport is helping Japanese aeronautical production technology to become more competitive with the United States. PROPULSION TECHNOLOGY Status of Technology The three free-world engine manufacturers currently producing large commercial transport turbofan engines are Pratt and Whitney, General Electric, and Rolls Royce.
From page 122...
... O ~ NOT YET IN O ~ PRODUCTION \7 JAPANESE · I#. 1985 1990 FIGURE 5-7 Commercial Transport Engines -- Cruise Specific Fuel Consumption (manufacturer's quoted performance)
From page 123...
... , _ 1'. 1 1 1 · 1 , 1960 1965 1 970 1975 1980 1985 1990 CERTIFICATION YEAR FIGURE 5-8 Commercial Transport Engines -- Thrust-to-Weight Ratio (manufacturer's quoted performance)
From page 124...
... LEGEND ROLLS ROYCE U.S. \\ ENGINE: ~ l /ROLlS ROYCE 2100 L I I I I t 1960 1965 1970 1975 1980 1985 1990 CERTIFICATION YEAR FIGURE 5-9 Commercial Transport Engines -- Turbine Inlet Temperature (manufacturer's quoted performance)


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