This polished Stirling hot air engine was built by Roger Butzen of Texas, and loaned to the Miniature Engineering Craftsmanship Museum as part of the Engine Collection of Paul and Paula Knapp. Mr. Butzen’s Stirling engine is 9”-long, 9”-wide, 15”-high, and weighs 7 lbs.

A Stirling engine is a heat engine that’s operated by the cyclic expansion and contraction of air or other gas by exposing it to different temperatures, resulting in a net conversion of heat energy to mechanical work.

Exhibit added: May 2, 2024 - Last modified: July 3, 2024

Presented by The Joe Martin Foundation for Exceptional Craftsmanship