24th Congress of International Council of the Aeronautical Sciences, 29 August-3, September 2004, Yokohama, Japan
Paper ICAS 2004-1.8.1

THE ORNICOPTER: A SINGLE ROTOR WITHOUT REACTION TORQUE, BASIC PRINCIPLES

T. van Holten, M. Heiligers, G-J. van de Waal
Delft University of Technology, Faculty of Aerospace Engineering , Netherlands

Keywords: helicopter, ornicopter, reaction torque, wind-tunnel tests

The Ornicopter is a single rotor helicopter without a reaction torque. The principle is based on forced flapping of the blades. The feasibility of the Ornicopter w.r.t. power required, means of yaw control and possible forced flapping mechanisms is ascertained. The theory is compared to the results of windtunnel tests.

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