Modern Helicopter Theory: A Complete Exposition of Up-to-Date Ideas on the Principles of Direct Lift Flight

By Isacco Vittorio  

Aircraft Engineering, Vol. 8, Iss. 10, 1993-12 ,pp. : 274-283

Emerald Group Publishing Ltd

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Flight-Test Report on the Heavy-Lift Helicopter Flight-Control System

By Hutto A. J.  

Journal of the American Helicopter Society, Vol. 21, Iss. 1, 1976-01 ,pp. : 32-40

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Direct Lift in Theory: The Need for an Acceptable Basis for Design

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Aircraft Engineering, Vol. 8, Iss. 10, 1993-12 ,pp. : 269-270

Emerald Group Publishing Ltd

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A Lifting Line Theory for Curved Helicopter Blades in Hovering and Axial Flight

By Rand O.   Rosen A.  

Journal of the American Helicopter Society, Vol. 29, Iss. 3, 1984-07 ,pp. : 3-10

AHS International

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Helicopter Theory: The Fundamental Problems which Govern this Form of Flight

By Kármán Th. von  

Aircraft Engineering, Vol. 12, Iss. 9, 1993-12 ,pp. : 271-276

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