[Photos & Video] More about FLAVIIR project and the flapless Daemon UAV demonstrator flight

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A novel unmanned air vehicle (UAV) which showcases a wide range of new technologies has successfully demonstrated 'flapless flight' in the UK

The UAV, called DEMON, made the historic flight from an airfield at Walney Island in Cumbria on Friday 17 September. Developed by Cranfield University, BAE Systems, and nine other UK universities, DEMON is designed to be able to forgo the use of conventional mechanical elevators and ailerons which usually control the movement of an aircraft in favour of novel aerodynamic control devices using blown jets of air."

Such an approach offers several advantages over 'moving flap' technology which has been used since the early days of aviation, in that it means fewer moving parts, less maintenance, and a more stealthy profile for the aircraft. DEMON's trial flights were the first 'flapless flights' ever to be authorised by the UK Civil Aviation Authority.

In Cumbria last Friday, DEMON successfully demonstrated flapless flight when, for a planned portion of a test-flight, the conventional flap control system was turned off and the aircraft flew and manoeuvred using the new technology. BAE Systems is already recognised as a leader in the field of intelligent autonomy for unmanned aircraft. It promoted the development of the £6.2m FLAVIIR (Flapless Air Vehicle Integrated Industrial Research) programme which led to the DEMON demonstrator after laying down a 'Grand Challenge' to UK universities five years ago.


Richard Williams, BAE Systems programme director for Future Capability, said: "What the FLAVIIR Team have achieved in such a short time is nothing short of remarkable. I was in Cumbria to watch DEMON fly and I feel sure I have witnessed a significant moment in aviation history." He added: "What makes it even more poignant is that this is the result of British brains collaborating to produce world-leading technology. It, and other initiatives like it, will help ensure we maintain both a level of sovereign capability and a competitive edge."

Professor John Fielding, chief engineer and lead for the DEMON demonstrator team from Cranfield University, said: "To make an aircraft fly and manoeuvre safely without the use of conventional control surfaces is an achievement in itself; to do that while at the same time bringing together new construction techniques and new control mechanisms could be said to be over-ambitious - but we have done it. The DEMON UAV has been developed within a research programme but it is a representative, complex, high technology aircraft. Gaining approval from the CAA and flying it successfully has required great skill, dedication and patience by the team and they should be very proud of their achievement."

The flapless system, developed around a concept called fluidic flight control, was the result of collaborative work between Manchester and Cranfield universities together with BAE Systems' Advanced Technology Centre and was tested in wind tunnels and on models before the full-scale trials on DEMON took place.

While Demon itself is not expected to become a production aircraft, a number of the technologies it contains have and will continue to filter through to a range of other aviation platforms.

BAE