Ricardo principle meaning

Ricardo principle definition

An arrangement in which a portion of the combustion chamber came in very close contact with the piston head . The other portion, off to one side, contained more space. As the piston neared TDC on the compression stroke , the fuel mixture was squeezed tightly between the piston and head thus causing the mixture to squirt outward into the larger area in a very turbulent manner. This produced a superior mixture and allowed compression ratios to be raised without detonation .

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Automotive terms beginning with "R", page 13

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