They gave us the technology to develop the prototype further.

The former psychiatrist dreamt up the project in 2003 and raised more than 100 million in sponsorship to develop a prototype and then the second version, which completed the flight.

This 30-month project was to develop the prototype into a fully operational service.

The team was preparing to abandon the project when a successful pitch to a private investor secured funding to develop a prototype of the game.

The pair worked to develop the prototype furnace into a design that was economically viable for large-scale manufacture.