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News

Test system for full-scale structural testing of carbon fibre aircraft wings

Moog (Netherlands) : 27 January, 2014  (Application Story)
Moog Industrial Group has been selected by Bombardier Aerospace of Belfast to supply an aerospace test system to undertake a full-scale structural test on the CSeries aircraft advanced carbon fibre wing.

The system will be used to carry out fatigue testing of the composite structures of the wing. This testing forms part of the CSeries aircraft certification test programme. Bombardier Aerospace, Belfast, which is responsible for the design, manufacture and assembly of the CSeries aircraft advanced composite wings, has manufactured a wing to facilitate the fatigue tests. This is similar to the production article, but without the wing tip, systems and control surfaces.

The test system comprises various products designed and manufactured by Moog, including an active load abort system, an upgrade from a 12 to 24 channel aerospace control and monitoring system, a machine controller and structural test actuators with servo valves. Each actuator is equipped with a specially designed active safety manifold, which forms part of the overall abort system, controlled by either a G761, or a high flow D661 servo valve, depending on the location of the actuator on the wing structure and its specific flow demands.

The active load abort system is a cost effective, independent multi-channel safety system that delivers a new approach to test article safety. In the event of a primary loading system failure, it uses a Moog machine controller to synchronously unload the structure over a common time period, while maintaining the desired load distribution. The system will protect the test article, thereby preventing undesirable and unrepresentative loading being applied to an unique tgest article which has already accrued valuable fatigue testing hours. 

The test system is currently being commissioned at Bombardier’s facilities in Belfast, prior to fatigue testing getting under way.

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