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What About the Wankel Engine?
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Here is a clear explanation of how the Wankel engine achieves such spectacular efficiency.
In easy-to-understand language, with helpful diagrams, the author explains the four phases (intake, compression, combustion, and exhaust) an engine must perform to deliver a power stroke.
He shows how the Wankel engine performs three of the four phases at once, instead of separately as a piston engine does. And he explains how this enables the rotor to deliver three power strokes from a single revolution, while a piston must move up and down twice to deliver just one power stroke.
The author also shows us why the rotor is designed to turn with a 'hula-hoop' motion...why a three-sided rotor works better than one with four or five sides...how the difficult problem of sealing the rotor tips was finally solved.
There's some fascinating information about the developmen tof engines in general, starting with primtive waterpowered pumps the Egyptians used two thousand years ago. And the concluding chapter takes an intriguing look at some revolutionary new engines of the future - including several that do not rely on gasoline for fuel.
Here is a clear explanation of how the Wankel engine achieves such spectacular efficiency.
In easy-to-understand language, with helpful diagrams, the author explains the four phases (intake, compression, combustion, and exhaust) an engine must perform to deliver a power stroke.
He shows how the Wankel engine performs three of the four phases at once, instead of separately as a piston engine does. And he explains how this enables the rotor to deliver three power strokes from a single revolution, while a piston must move up and down twice to deliver just one power stroke.
The author also shows us why the rotor is designed to turn with a 'hula-hoop' motion...why a three-sided rotor works better than one with four or five sides...how the difficult problem of sealing the rotor tips was finally solved.
There's some fascinating information about the developmen tof engines in general, starting with primtive waterpowered pumps the Egyptians used two thousand years ago. And the concluding chapter takes an intriguing look at some revolutionary new engines of the future - including several that do not rely on gasoline for fuel.
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