two-rotor

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• Rotor Ship — A Rotor ship, also known as a Flettner ship, is a ship designed to use the Magnus effect for propulsion. The Magnus effect is a force acting on a spinning body in a moving airstream, which acts perpendicularly to the direction of the airstream.… …   Wikipedia

• ROTOR — was a huge and elaborate air defence radar system built by the British Government in the early 1950s to counter possible attack by Soviet bombers. The system was built up primarily of war era radar systems, and was used only shortly before being… …   Wikipedia

• Two-phase electric power — Two phase electrical power was an early 20th century polyphase alternating current electric power distribution system. Two circuits were used, with voltage phases differing by 90 degrees. Usually circuits used four wires, two for each phase. Less …   Wikipedia

• Rotor machine — In cryptography, a rotor machine is an electro mechanical device used for encrypting and decrypting secret messages. Rotor machines were the cryptographic state of the art for a brief but prominent period of history; they were in widespread use… …   Wikipedia

• Rotor (ride) — The Rotor is an amusement park ride, designed by German engineer Ernst Hoffmeister in the late 1940s. The ride was first demonstrated at Oktoberfest 1949,Fact|date=August 2008 and was exhibited at fairs and events throughout Europe during the… …   Wikipedia

• Rotor the Walrus — Superherobox| caption=Current version of Rotor, art by Tracy Yardley comic color=background:#8080ff character name=Rotor the Walrus real name= publisher=Archie Comics debut= Sonic the Hedgehog , Sonic the Hedgehog # 1 creators=DiC Animation… …   Wikipedia

• Rotor/Stator Interaction — An important issue for the aeronautical industry is the reduction of aircraft noise. The characteristics of the turbomachinery noise are to be studied. The rotor/stator interaction is a predominant part of the noise emission.We will present an… …   Wikipedia

• Helicopter rotor — This article is about helicopter main rotor systems. For antitorque control, see tail rotor. Helicopter rotor The rotor head of a Sikorsky S 92 A helicopter main rotor or rotor system is a type of fan that is used to generate both the aerodynamic …   Wikipedia

• Rigid rotor — The rigid rotor is a mechanical model that is used to explain rotating systems. An arbitrary rigid rotor is a 3 dimensional rigid object, such as a top. To orient such an object in space three angles are required. A special rigid rotor is the… …   Wikipedia

• Tail rotor — The tail rotor of a helicopter is mounted on the tail of a traditional single rotor helicopter, close to perpendicular to the main rotor. It is primarily used in order to counteract the yaw motion and the torque that a rapidly turning disk… …   Wikipedia

• Savonius-Rotor — Originalzeichnung von Sigurd Savonius zur Potentialströmung des stillstehenden Rotors …   Deutsch Wikipedia