Böhm Stirling

Böhm Stirling engines. A combination of the Stirling motor by Robert Stirling, and the gasoline powered one by Karl Benz. Böhm lays at the base of these wonderful German engines. A lot of engineers got fascinated by the Böhm idea, and what followed where these amazing pieces of breath taking mechanical devices.
All it takes is a little flame to get it started, they sound as delicious as they look.
For detailed explanation take a look at the Böhm-Stirling web page.
Don't forget to switch on the sound!!!