Overdrive is a mechanical unit containing epicyclic gears sized to allow an automobile to cruise at a sustained speed with reduced engine speed (rpm), leading to improved fuel consumption and reduced wear and noise level. The term is ambiguous.
Overdrive is a mechanical unit containing epicyclic gears sized to allow an automobile to cruise at a sustained speed with reduced engine speed (rpm), leading to improved fuel consumption and reduced wear and noise level. The term is ambiguous.
Source: Wikipedia "Overdrive (mechanics)" · CC BY-SA 4.0
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