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A.S. Four Stroke Hybrid Engine - Hybrid piston-in-rotor rotary. English and Español.
Atkins Rotary Specialties Inc. - Supplying Mazda (RX7) rotary engines for installation in homebuilt aircraft.
Ball Piston Engine - Very simple, strong, smooth, high speed: ball bearings in a rotor and stator.
ELROTO: 21st Century Engines, Inc. - Scissors type Rotary engine, 35 years in development.
Frasca Rotary Engine - Simple rotary internal (continuous) combustion, multifuel engine; 2/4 cycle versions; very simple intake, exhaust, ignition; patented, patent abstracts and claims; book available, paper or online as 20 .pdf files.
OX2: CARtoday.com: Motor News: Engine with only three moving parts - Reports General Motors (largest vehicle maker), Caterpillar (large diesel engine maker), Outboard Marine (one of largest boat engine makers) all financially support OX2.
OX2: The Detroit News: New engine excites many in auto industry
OX2: Yahoo Clubs: Advanced Engine Technology - Forum to discuss Advanced Engine Technologies, Inc., (AENG) and development of OX2 engine, a new internal combustion engine geometry. Engineers and investors especially welcome to join.
Perlex, Inc.: Engine - May be some sort of Ramelli/Wankel hybrid. Claims very high torque at low RPM, concurrent multi-fuel ability. From Texas.
Quasiturbine: FutureWatch: From the Piston to the Wankel to the Quasiturbine - Experts in Canada have come up with a different kind of engine called the Quasiturbine. It is as revolutionary a paradigm as the Wankel engine and the piston engine, and appears to overcome the limitations of both.
Quasiturbine: Quasi Turbine, Inc. - Qurbine rotary engine; Canada: High torque, acceleration, power density per volume and weight; Low RPM, noise, pollution; No vibration, oil. English and Français.
QuietPower: ROPE: Rotary Opposed Piston Engine - Very quiet, compact, low cost and emission, multiple application engine/APU, high power density: 2 moving parts, 4 cylinder, 4 (Otto) cycle.
Radial Rotary Engine: Kokua International - New Zealand firm developing motor with circular parts.
Radial Rotary Engine: Rotary Hydrogen Engine, From New Zealand - Statement on Horizon Technology website, from main member of Kokua International team, Wolf Brinsbury, subtitled: Steam Engine Without a Boiler.
Rand Cam: Popular Mechanics: Diesel Rotary Engine to Fly - Brief story on military project by Alliant TechSystems, Reg Technologies, West Virginia University.
Rand Cam: Re-engineering the Wankel - Kansas State Engineer magazine cites Wankel design flaws and how Rand Cam avoids them.
Rand Cam: Reg Technologies, Inc. - Researching and developing Rand Cam/Direct Charge Engine since 1987; Canada.
Rand Cam: West Virginia University: CIRA - Center for Industrial Research Applications. Describes research on this engine.
Veselovsky Engine - Moscow State University. 2 lobe rotary-piston in 3 lobe chamber.
Wankel Rotary Combustion Engines (WRCE) and Vehicles - Comprehensive: Wankel and other rotary engines, automobiles, Mazda RX-7, motorcycles, aviation, hydrogen, HEV, history, 2 Java demos, 80 images, 88 pages, 170 engines, over 500 unique external links, 86,000 words.
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