Examination of operating cost of five helicopters and VTOL aircraft in comparison with fixed wing transport; projections of current cost experience; analysis shows that at range of 100 mi helicopter has direct operating cost of twice that of fixed wing aircraft; potential of helicopters and VTOL wing aircraft approaches cost of fixed wing aircraft for longer ranges, with lower operating costs of helicopter for shorter ranges.
Development of steep gradient aircraft for short haul transportation
SAE -- Paper
SAE Meeting ; 1961
1961
11 pages
Conference paper
English
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THE DEVELOPMENT OF STEEP GRADIENT AIRCRAFT FOR SHORT-HAUL TRANSPORTATION
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