American publisher Charles Knight was not at all impressed with his new 1901 Knox ‘gasoline runabout’. Like some other cars of the era, its four-stroke engine relied on a single valve to permit both ...

Most modern gasoline and diesel-powered engines found in the cars and trucks seen on today's roadways rely on the four-cycle-engine principles developed in the late 1800s by Nikolaus Otto, Gottlieb ...

I’m not sure if any engine built today will still be salvageable 100 years from now. Not to sound like a grump, but so much relies on computers that will surely be obsolete by then. And let’s not get ...

SIMPLICITY is the keynote of the only two types of sleeve-valve engines that have stood the test of time, namely, the double-sleeve, or Knight, engine and the single-sleeve, or Burt-McCollum, engine, ...

Gabriel Voisin was an aviation pioneer who progressed into the car business after the First World War using Knight-type sleeve-valve engines. Designed by American Charles Yale Knight yet perfected in ...

The Napier E124 Two-Stroke H-24 Diesel airplane engine was designed in the ‘30s. The dual horizontally opposed engine displaced 75 liters and had 24 cylinders and a gas turbine. It was superseded by ...

That’s right, your prayers have been answered: Someone in Silicon Valley is finally developing an opposed-piston, sleeve-valve, variable-cycle engine for passenger-car use. Yeah, OK, we weren’t ...

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