Gas Engines

The hobby of collecting antique engines, past and present.

Two Equals Four: The Atkinson Cycle Engine

 By the Gas Engine Magazine staff

The Atkinson cycle engine faded from view for a time, but variations of the Atkinson cycle have reappeared in modern hybrids.


Diesel Ignition Engines

By Andrew K. Mackey

Learn the ins and outs of diesel ignition system basics.


Coolspring Spotlight: 25 HP Evans Engine

Courtesy Coolspring Power Museum

This circa 1920 25 HP Evans engine features power operated intake and exhaust valves.


Young Iron: Petey Woodward

By the Gas Engine Magazine staff

For the past seven years, Petey Woodward has pursued his lifelong interest in old gas engines.


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Never Too Far Gone

By the Gas Engine Magazine staff

An engine is never too far gone.


Where to Start on 2 HP Jaeger?

By the Gas Engine Magazine staff

Ronnie Spivey is looking for advice concerning his 2 HP Jaeger engine.


The Rescue of an Otto No. 6033

By Jonathan Triebner

The rescue of Otto No. 6033, a 9-1/2 HP engine hidden away in a Philadelphia basement.


Hagan Reliable: Rare and Well-Traveled

By Bill Vossler

Iowa collector focuses on engines that worked around patent restrictions.