Multi-Helicopter Heavy Lift System Feasibility Study
Final engineering rept.
PIASECKI AIRCRAFT CORP ESSINGTON PA
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A tandem nose-to-tail configuration was selected, and a detailed study of the configuration was made to assess its feasibility and identify potential problem areas. A feasible heavy-lift vehicle is postulated with a predicted payload capability up to 18.7 tons which is recommended to be carried forward to flight evaluation.