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August 2006 edition

Hot on the anti-ice trail

GKN Aerospace is working on developing new applications of electro-thermal ice protection to increase performance and cut fuel consumption.

Frank Bamford, senior vp sales and marketing, says: “These include wing leading edge, engine and nacelle ice protection for a range of future commercial aircraft demanding leaner and cleaner performance.”

GKN Aerospace electro-thermal heating has been used in the ice protection system for the Joint Strike Fighter’s F135 engine, the wings of the Boeing 787, the V-22 Osprey engine inlet and for the main rotor blades of the EH101.

Bamford says: “Electric ice protection is the way forward and is one of GKN Aerospace’s key technologies for the future”.

An electro-thermal ice protection system removes the need to bleed hot air from the engine, a traditional approach to protect against in-flight icing. The system works by embedding electro-thermal heater mats into the surface to be protected. These mats comprise an advanced composite material pad which contains a heater element. An electronic controller, (developed by Ultra Electronics for the 787 and the F135 systems) monitors the condition of each surface individually. Bamford says: “Compared to traditional hot gas systems, heat can be locally targeted and finely controlled to avoid icing in specific areas making electro thermal systems compatible with today’s advanced high performance critical wing designs. This increases the performance and endurance of the airframe and reduces fuel consump....

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Lockheed Martin Corporation
Leonardo Helicopters (Finmeccanica) Airframer
Boeing Commercial Airplanes Airframer
GKN Aerospace Helicopter Assemblies, Aircraft Structural Components, Aircraft Doors, Wings, Empennages, Nacelles, Engine Nozzles, Engine Housings, Transparent Canopies, Fuel Tanks & Systems, Ice Protection/Prevention Equipment, Engine Parts, Winglets, Flotation Gear, Fuselage Sections, Engine Inlets, Windshields, Refueling Equipment, Air Refuelling Systems, Aircraft Control Surfaces, Aircraft Flooring
Ultra Electronics Controls Division Ice Protection/Prevention Equipment, Landing Gear Controls, Engine Controls, Aircraft Engine Ignition Systems, Cockpit Control Systems, Avionics Controls, Steering Systems, Door Locks, Equipment Doors, Engine Parts, Proximity Sensors, Vibration Damping Materials, Acoustic Damping Materials, Electronic Control Equipment

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