| 摘要 |
A retrofit apparatus for providing a signal indicative of the position of an aircraft control surface comprises a rotary coupling flexibly coupled to the control surface, an extensible coupling driven by the rotary coupling, a quadric-chain linkage coupled to the extensible coupling for converting a linear output into a substantially translatory displacement, a linkage for converting the translatory displacement into a substantially angular motion, and a transducer coupled to the linkage for converting the angular motion into an electrical output indicative of the position of the aircraft control surface. The invention is a simple modification to an existing quadric-chain linkage driving a mechanical indicator, enabling an electrical transducer to be retrofitted in the crowded control stand of an aircraft.
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