Science

Manufacturer of educational models, fans, hand heated and full power engines. Includes forum, FAQs and insights on the technology.

Comprehensive information resource about the technology. Includes history, basics, models, plans, gallery, links, and an overview of a rotary displacer engine. [English, Japanese]

Describes the thermodynamic cycle. Includes several animated diagrams.

Private homepage dedicated to collectors of vintage hot air engines and model engineers. Includes book and article references.

Describes the design steps and insights of a full scale engine. Includes videos, technical datasheets, test results, work in progress and links.

Free encyclopedia article covers engine technology. Addresses historical and technical background, engine efficiency, thermodynamic aspects and applications.