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lightning protection for structures and systems on aircraft utilising lightweight composites.

Objective

The European Aviation Industry has been quick to use lightweight composite materials, especially Carbon Fibre, for primary structures and flight control surfaces. Composites are lightweight, stiff, and provide smooth, aerodynamically efficient surfaces.C arbon Fibre is particularly attractive because it has good corrosion and fatigue properties. This results in enhanced efficiency and performance and a significant weight reduction.However,lightning protection is d ifficult to incorporate into a composite aircraft compared to a conventional aluminium one. Composite airframes also give less electromagnetic shielding compared to aluminium, making it more difficult to protect avionic systems. Both aspects are worse for light aircraft because of their small size and low weight.This proposal addresses the nee d to optimise lightning protection systems for aircraft withlightweight composite structure. It will allow manufacturers to make safe use of the performance advantage provided by such materials.Work will include: The identification of lightning protection solutions for lightweight composite structure. Lightning testing and modelling of materials, structures and components to provide data to support design and certification. Materials that will be inve stigated will include: lightweight composite skins with carbon, glass or honeycomb. A test programme to develop designs and guidlines for other areas where protection is difficult to achieve or demonstrate; especially flight control surfaces, fuel syste ms, canopies, and glass fibre structure. Avionics Systems and Power Bus protection, including testing of mock up systems. On modern aircraft the dependence on sophisticated flight critical avionics requires that these systems be shown to operate during and after an aircraft strike.The project aims to reduce by 50%, the current 1.5% to 2.5% weight penalty for adding lightning protection to an empty aircraft.

Call for proposal

FP6-2003-AERO-1
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Coordinator

ERA TECHNOLOGY LIMITED
Address
Cleeve Road
Leatherhead
United Kingdom

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Participants (8)

AVIATION ENTERPRISES LTD.
United Kingdom
Address
Membury Airfield,
Lambourn, Berkshire

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HEXCEL REINFORCEMENTS (EUROPE)
France
Address
Z I Les Nappes
38630 Les Avenieres

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DIAMOND AIRCRAFT INDUSTRIES GMBH
Austria
Address
Na Ottostrasse 5
A 2700 Wiener Neustadt

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EXTRA FLUGZEUGPRODUKTIONS- UND VERTRIEBS-GMBH
Germany
Address
Schwarze Heide 21
Hunxe

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UNIVERSITY OF THE FEDERAL ARMED FORCES MUNICH (UNIVERSITAT DER BUNDESWEHR MUENCHEN)
Germany
Address
Werner-heisenberg-weg 39
Neubiberg

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FRAUENHOFER GESELSCHAFT ZUR FOERDERUNG DER ANGEWANDTEN FORSCHUNG E.V.
Germany
Address
Hansastrasse 27c
Munchen

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ISCOM COMPOSITES INSTITUTE
Israel
Address
Industrial Scientific Zone
Tal El D,n Oshrat 25167

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AIRBUS OPERATIONS, S.L.
Spain
Address
Dpto Sistemas, Emc-rayos, Caseta Temporal No 2 Airbus, Airbus Espana, Avda John Lennon Sn
28906, Getafe, Madrid

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