The Solar Impulse porject is surely one touching the edge of technology in the true spirit of research and development test flying. This Swiss led project really is on a grand scale, with an aircraft with a wingspan equivalent to an Airbus A380, but weighing less than your average saloon car. Something about this project, designed to send the single pilot aircraft around the world without a fuel source, leaves one aghast at the idea and how the foresight of a test pilot and aero engineer has been turned into reality.
Check out their videos here on YouTube for the whole story.
Bookings for the Summer Barbeque on 6th September have now closed.