Rotary engines have an aura of cool. In games of Top Trumps, the V12 might have been king, but a rotary was a joker, a wild card. A lack of mainstream success no doubt contributes; there are reasons ...

The 3,000-mile oil change interval originated in the 1960s for engines and oils that no longer exist in modern vehicles. Full-synthetic motor oil can allow intervals of 7,500 to 15,000 miles depending ...

This paper explains the mechanisms that affect lubricating oil consumption in stationary gas engines. It explains the positive and negative consequences of oil consumption. It discusses the importance ...