So. I have this 1988 BMW E30 325is that I bought last summer. I named it “the FrankenThirty” because its salvage title turned out to include the fact that the rear two-thirds of the car matched its ...

Rotary-screw compressors are known for their reliability, longevity and infrequent maintenance. As such, key industries, such as molded plastics, rely heavily on these nonstop workhorses for blow ...

Rotary engines (also known as Wankel engines and Wankel rotary engines) are quite different from piston or "reciprocating" engines. One of the distinguishing features is that they don't need valves to ...