Four-stroke engines, which make up 99% of engines on the road, need to breathe: air in during intake, sealed tight during compression and combustion, then air out on exhaust. So we need a system that ...
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Why aren’t rotary valves the standard?
Four-stroke engines, which make up 99% of vehicles on the road, rely on a system for managing air intake, compression, combustion, and exhaust within a sealed combustion chamber. Poppet valves are ...
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