1. A New UAV Architecture for Urban & Maritime Environments VTOL Technologies Ltd – Delivering unique, high-performance Vertical Take-off and Landing technologies for fixed-wing UAV’s. Cheaper & safer alternatives to helicopter & tilt-rotor UAV’s delivering high performance for urban, mountainous & maritime operations.
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9. The Size, Cost & Regulatory Compliance Advantage Increasing Manoeuvrability 0.25 hr 1 hr 6 hrs 336 hrs 1,000 ft 18,000 ft 55,000 ft Very low altitude Low altitude Medium altitude High altitude Altitude Endurance Decreasing Deployment to Engagement Time Flying-Wing Vectored Thrust VTOL UAVs Reduced acquisition, operational and maintenance costs (Exponential reduction) Significantly Greater Regulatory Compliance Fixed wing UAVs Helicopter VTOL UAVs
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11. No Other UAV Architecture Can Respond as Effectively to Gusts… Almost instantaneous stall recovery is also achievable from this specialised flying-wing aerofoil section. Additionally, rapid pitch correction can also be achieved, through variation of the front and rear fan thrust levels, given the available moment arm. With only +/- 5 o of port/starboard fan rotation at any angle of fan inclination (i.e. across the entire UAS speed range) and with zero yawing moment, a 50% increase in roll moment can be achieved, thus providing the ability to withstand exceptionally strong gusts, unlike any other known UAS platform. This UAS can also “hover on the wing”, extending endurance in high ‘power-demand’ situations.
12. Capability Comparisons… Excellent Medium Poor VTOL / flexible speed range / variable speed target tracking Excellent Poor Medium Purchase, operational and maintenance costs Excellent Medium Poor Hot swappable payloads Excellent Medium Poor Manoeuvrability and survivability Excellent Poor Medium Low power consumption / high endurance / hover into wind Excellent Poor Medium Safety in urban environments Excellent Poor Poor Launch / recovery from moving ground vehicles Excellent Poor Poor Ability to withstand gusts / instantaneous stall recovery Flying-Wing Thrust-Vectoring UAV Rotorcraft / Helicopter UAV’s Fixed Wing UAVs Operational Capabilities
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