The Autopian on MSN
One of GM’s most complicated engines had no crankshaft, four pistons, two cylinders, a turbine, and could run on whale oil
Automotive history is full of dead ends that eventually get lost to time. Seventy years ago, the free-piston engine was ...
High-output engines live in a world of brutal cylinder pressures, extreme temperatures and razor-thin safety margins, and the humble piston sits at the center of that storm. When power levels climb, ...
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