with each solenoid acting as a piston. The only problem with [Emiel]’s concept engines, though, was that he never actually put them into a vehicle to prove their effectiveness. This build ...

Her advice was to apply some oil to the seal before putting the part back in the car. She added: "It's very simple, and it saves money to do it yourself." The camshaft solenoid valve is an ...

Anyone could have bought an off-the-shelf solenoid valve ... The ‘pinching’ arm is raised and lowered by an RC Car servo. When the valve is in the closed position, the servo does not need ...