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Fixed gear or retractable gear? Barnaby Wainfan examines the physics behind this longstanding design question.

Turbo-Compound & More There was a turbocharger for motorcycles that had a variable-stator...

Electronics International is a modern standout, but price an EFIS with built-in monitoring first.

Everyone can use another set of eyes on a project, and sometimes a technical counselor is just the one to provide them. By Amy Laboda.