This is believed to be the only Hero steam turbine on the market. Designed and built to very high engineering standards in the UK, this turbine can reach speeds of 2500rpm. Its design is based on the original first steam turbine invented by Hero of Alexander around 2000 years ago but with some modern improvements. More information about the Hero Steam Turbine

This turbine is now replaced by the metal version More information about the Tesla Turbine

A Tesla turbine is a bladeless turbine designed by the Serbian-American inventor Nikola Tesla who was also responsible for the creation of alternating current, multi-phase electricity supply and may other electrical innovations. This model generates up to 60 Watts of 3-phase power from a standard compressed air line. More information about the Tesla Turbine