German engineer Felix Wankel designed the rotary engine in 1954. Employing a rounded triangular rotor spinning concentrically around a central shaft, Wankel rotary engines deliver glassy ...

Strange engine configurations that never reached production always makes for interesting reading. Here are our favorites.

while the C111-II of 1970 featured a four-rotor engine with 345bhp, giving them top speeds of 168 and 186mph respectively, while the C111-II had a 0-62mph time of just 4.9sec. However, even ...

The first working prototype was produced in 1957. Dubbed the DKM 54, this engine had a rotor and housing which rotated on separate axes. The engine was capable of great rotational speeds ...

The 4-H Small Engine project creates the education and hands-on opportunity for youth to learn all about engines. In this project youth will identify and discover the function of different engine ...

This paper considers the sensitivity of an open-rotor engine to variations of three operational parameters during take-off, focusing on both aerodynamics and aeroacoustics. Via a sensitivity analysis, ...

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The PropNoise simulation tool predicts the noise of turbofan and open rotor engines. All sources and effects of noise generation can be fully described analytically with PropNoise. The tool offers the ...

Airbus CEO Faury is optimistic but believes that the jury is out for CFM's open-rotor engine tech. CFM's RISE program aims to ...

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