The fly by wire technology itself – replacing heavy mechanical linkage and hydraulic systems with electrically actuated flight control systems – is far from new. Dassault has produced several military aircraft with full FBW technology, but the 7X is the first business aircraft to be completely reliant on it.
The fly-by-wire system drastically reduces aircraft weight, improves aircraft performance, autopilot handling, and overall reliability. For obvious reasons, redundancy is a vital part of the FBW technology, which is why the 7X has six FBW computers: three primary dual-channel computers and three single-channel secondary computers. Only two secondary computers are needed to keep the 7X in the air.
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