Definition
A flexible mechanical control cable consisting of an inner steel wire that slides inside a flexible outer housing. Pulling or pushing one end of the inner wire transmits motion to the other end, allowing a control input to be routed through bends and around obstacles to operate a remote device.
Plain English
A cable inside a flexible tube. You pull or push one end, and the other end moves the same way, even if the cable curves around corners between the two ends.
Context Anchor
Seen in aircraft maintenance, inspections, and cockpit control systems such as heat, ventilation, and some engine or airframe controls.
Derivation
Named after Frank Bowden, the English bicycle manufacturer who patented the design in the late 1800s for use on bicycle brakes. The name carried over into aviation when the same flexible push-pull control was adopted for engine controls.
Why Pilots Care
Provides reliable, lightweight remote operation of critical engine controls from the cockpit.
Analogy
It works like a bicycle brake cable: squeeze the lever and the brake pad moves, even though the cable bends through several curves between them.
Intuition Check
Do not read “cable” here as an electrical cable. A Bowden cable is a mechanical cable that moves a part by sliding a wire inside a casing.
Example Sentence 1
When the throttle felt gritty during the run-up, the mechanic suspected a dry Bowden cable and lubricated it before the next flight.
Example Sentence 2
During inspection the mechanic checked the Bowden cables for binding or fraying before the next flight.