Approx x Cylinder A German made vertical reversing steam engine, set up as a stationary engine with governor mechanism, but could also be used in a steam boat. A very nicely made and attractive little engine. high overall including wooden base.
This is the weirdest engine I have ever seen. According to Duke Engineering, their axial engine is the most efficient and lightest engine you can put in boats, light aircrafts, and generators—the mechanical engine of the (near) future!
A Stirling engine is a heat engine operating by cyclic compression and expansion of air or other gas, the working fluid, at different temperature levels such that there is a net conversion of heat energy to mechanical work.