Word: rotaryism
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With less than 1% of U.S. auto sales to its credit and a headquarters staff of exactly 30 people, Mazda Motors of America seems a trifle small to qualify as a monopoly. Yet for nearly two more years, or until Detroit is ready with its own rotary engine, Mazda will...
Fast Pickup. There are a few other drawbacks. The bestselling RX3 five-passenger station wagon is not exactly oversized for its price ($3,700, with automatic shift, air conditioning and radio). Mazda's engine and complex emissions system, though admirably low-polluting, tend to develop a popping effect unless...
The cycle begins when one end of the air-pumping piston passes a vent in the engine casing and sucks air into its cylinder (1). At exactly the same moment, the other end of the piston is pushing the air that it has already captured and compressed into a passage...
Richard Ansdale, a British rotary-engine specialist who is close to completing a working prototype of the engine, considers this division of labor by the pistons-or "split cycling," as he calls it-a distinctive feature. By relieving the power piston of the job of inducting air, it allows the...
* In the conventional reciprocating engine, combustion drives the pistons in straight-line up-and-down movement, which is converted into rotary motion by connecting rods and the crankshaft.