The process is based on the Bombardier patented infusion technology, but there are a number of different technologies which have been developed together and brought together in these parts. This is one of the significant advancements in composites processing technology, which has made these structures viable.
Bombardier c series skin#
The top and bottom wing skins are integrally stiffened with stringers laid up in proprietary tooling which holds the dry fibre stringer preforms securely against the skin and are co-injected with resin at the same time as the skins. A large part of the technology prove-out was demonstrating that Bombardier could go to a component of this size. With the alternative prepreg material, managing the out-of-fridge life would be an issue however, this doesn’t apply to the dry fibre construction method which is very predictable, consistent and consequently delivers high production quality. This is far from the size limitation for this production technology, though. The wing torque box is 15m long, with one piece structures throughout that entire length.
Bombardier c series full#
The Belfast wing facility will involve some 800 jobs at full production rates C Series is the first aircraft into the market with this technology, which is different from other carbon fibre wings in that they all use prepreg material. All these primary structures are resin transfer infused (RTI) carbon fibre. Gavin Campbell, Bombardier’s director, engineering and technology development in Belfast, succinctly describes the wing as “successful!” The structure of the wing’s main load bearing torque box is carbon fibre spars and integrally stiffened upper and lower wingbox covers, creating a tapered cantilever beam. This has taken some decades of very deliberate technology and production capability development. The delivery on promises of improvements in specific fuel consumption is dependent primarily upon advanced engine and structures technology, with a large part played by the wing performance. Swiss International Air Lines, the launch customer for Bombardier’s CS100, made very strong statements about its satisfaction with the performance of this aircraft at the 2016 Farnborough Airshow launch event to mark its entry into revenue service on 15th July.
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