An aircraft systems complex under development shows considerable promise as a means of supplying aircraft systems power remote from the propulsive engines. It is shown that when compared with conventional drives, an improved standard of reliability can be obtained with less redundancy than in orthodox systems. The extensive use of pneumatic power as considered replaces hydraulics and to some extent electrics, in an economical manner. Considerable simplification and weight saving in the propulsion engines are envisaged as a result, together with minimal power off-takes and improved operational effectiveness.
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