Flow is controlled by either throttling or diverting it. Throttling involves reducing orifice size until all of the flow cannot pass through the orifice; bypassing involves routing part of the flow ...

Directional-control valves are common in pneumatic systems. They control compressed-air flow to cylinders, rotary actuators, grippers, and other mechanisms in packaging, handling, assembly, and ...

Over the course of hot rodding, one of the more debatable upgrades has been swapping camshafts--especially in modular engines. Given the Two-Valve's complexity and cost of buying two camshafts, the ...