Definitions for "Pushrod"
Keywords:  rocker, cam, camshaft, ohv, lifter
A steel rod between the hydraulic valve lifter and the valve rocker arm in overhead valve (OHV) engines.
It is a term for any rod that transfers force in compression. Pushrods are used by non-overhead cam engines to open and close valves.
A pushrod is a rod moved by a cam to operate the valves of a system.
Keywords:  servo, rudder, horn, hinged, rigid
The rigid mechanism that transfers movement from the servo to the control surface.
stiff wire or tube connecting rudder servo to rudder horn, hinged to both. It pulls as well as pushes. Sometimes instead there are two wires, one on each side. Then each just pulls.