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

Detailed instructions on how to build an engine model. Includes parts list, assembly instructions and pictures.

Provides insights on the technology. Includes news, links, and information about the engine technology.

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

Describes the thermodynamic cycle. Includes several animated diagrams.

Describes the design and construction insights of a low power engine. Includes animations, data, historical background and problem statement.

Acoustic engine with no moving parts developed at the Los Alamos Laboratories. Includes animations, publications and insights.

Describes the research and development activities at the NASA Glenn Research Center (GRC). Includes headlines, publications, technology basics and tutorial with animations.

Dedicated to advancing the engine technology in aircraft and other commercial uses. Includes photos, articles, publications, news and links.

Organisation that supports the development of the engine technology. Includes historical and scientific background, forum, gallery and links.

Engine discussion forum for science, education, hobby and industrial applications.

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

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

Discusses the advantages of implementing the engine technology on future aircraft powerplants. Includes basics, articles, publications and links.

Explains the basics of the engine technology. Includes pictures of home-made models, drawings, animation and references. [English, French]

Comprehensive resource on the engine technology. Includes news, references, links and technical information about the technology.

Scientific publication examining the effect of changing tube counts in engine heaters and behavior depending on gas used in optimization on performance. Includes data and drawings.

Project target is to develop an engine with significant output power. Includes historical and scientific background, news, project information and pictures. [English, German]

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