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The rotary engine is an early type of internal combustion engine, usually designed with an odd number of cylinders per row in a radial configuration. The engine's crankshaft remained stationary in operation, while the entire crankcase and its attached cylinders rotated around it as a unit.
Oct 19, 2013 · In May 1967, Mazda launched the world’s first dual-rotor rotary-engined car – the Cosmo Sport. With each rotor displacing 491cc for a total of 982cc, the Type 10A motor produced 110bhp at ...
- The Rotary Engine's Nazi Inventor
- NSU Wankel-Spider Hits The Streets in 1963
- Mazda and The Rotary Engine
- How The Rotary Engine Works
- Early Rotary Engine Timeline
The history of the rotary engine is a strange and wonderful tale that dates back as far as 1588 when Ramelli invented the first rotary-piston-type water pump. Almost 200 years later James Watt, a Scottish inventor and mechanical engineer whose pioneering work with steam engines helped drive the Industrial Revolution, invented the first rotary steam...
It wasn't until 1963 that the first rotary-powered car hit the streets as a '64 model year NSU Wankel-Spider. Then, in 1967, NSU released the Ro-80 sedan with a two-rotor 113hp Wankel engine and earned Car of the Year accolades in the European press. But because of the extremely costly development of the rotary engine and damage done to the brand's...
Mazda's journey into the world of rotary engines began in 1961 when then president Tsuneji Matsuda personally negotiated a licensing agreement with NSU. As part of this agreement, Mazda obtained a prototype of an NSU-built single-rotor engine and first learned of the "chatter mark" problem. These chatter marks, something Mazda's engineers nicknamed...
So that's how the Wankel rotary engine was born and eventually became synonymous with Mazda. But how exactly does a rotary engine work? There are some excellent videos on the Internet that illustrate how this unique piece of engineering comes together, but here's a quick overview to get you started. At the heart of a rotary engine is a trochoid-sha...
1958:Dr. Wankel and NSU complete the type KKM that would become the basis of the current rotary engine.1961:Mazda signs agreement with Wankel and NSU for use of their rotary engine technology.1963:Mazda forms the RE (Rotary Engine) Research Department to solve the chatter marksand oil leak issues that plagued early rotary prototypes.1967:Mazda announced the world's first commercial two-rotor unit, the type 10A. Itdeveloped 110 PS and stars in the cosmo Sport (S110).- David Pratte
- 2 min
- Mazda
Sep 7, 2023 · This car was the Cosmo Sport, which was released in 1967 and featured a 1.3-liter dual rotor engine, and it kicked off a long line of Mazda cars with unique engines. Mazda rotary lineage Gestalt ...
- Justin Owen
Oct 9, 2024 · While NSU was an early adopter of the Wankel engine, it was Mazda that truly embraced and refined the technology for mass production. In 1967, Mazda introduced the Cosmo Sport 110S, the world’s first production car powered by a twin-rotor Wankel engine. This launch marked the beginning of Mazda’s enduring commitment to rotary engines. Mazda ...
Jun 8, 2023 · The success of Mazda’s development of the Wankel engine is what to the production of the Mazda Cosmo Sport in 1967. It was the world’s first mass-production car running on a dual-rotor rotary ...
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The Wankel engine is a type of rotary piston engine and exists in two primary forms, the Drehkolbenmotor (DKM, "rotary piston engine"), designed by Felix Wankel (see Figure 2.) and the Kreiskolbenmotor (KKM, "circuitous piston engine"), designed by Hanns-Dieter Paschke [2] (see Figure 3.), of which only the latter has left the prototype stage. Thus, all production Wankel engines are of the KKM ...
