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- Publisher
- Emerald Publishing
- Copyright
- Copyright © Emerald Group Publishing Limited
- ISSN
- 0002-2667
- DOI
- 10.1108/eb034928
- Publisher site
- See Article on Publisher Site
Abstract
BEFORE BEING SELECTED as the design authority and manufacturer of the Concorde units, Dowty Boulton Paul had obtained considerable experience of electrically signalled control systems on the Tay Viscount aircraft in 1957, this being possibly the first aircraft to be controlled by a flybywire system. In addition, multiplex actuator packs controlled by electric signals and operating on a majority voting system were tested in investigating their possibilities for flybywire systems. The work on advanced designs of multiplex electrohydraulic actuator packs progressed in parallel with the Concorde unit design and at the present moment 15 actuators in three packs are being simultaneously tested in an endurance rig which is scheduled to run for 12,000hr. In addition three quadruplex packs are installed in a Hunter Mk. 12 aircraft at RAE Farnborough for flight trials.
Journal
Aircraft Engineering and Aerospace Technology – Emerald Publishing
Published: Aug 1, 1972