Linear adjusting member (1) for remote operation of adjustable components to wind channel models, with a housing (2) and a geared motor (13) for driving a threaded spindle (27), wherein on the threaded spindle (27) of a threaded nut (28) for the movement of a push rod (11) is arranged, characterized in that the threaded spindle (27) with the geared motor (13) via a chain drive (14) is connected, and the geared motor (13) to the voltage of a chain (15) of the chain drive (14) in relation to a gear motor axis (49) eccentrically pivotally in a motor mount (26) is accommodated, wherein the threaded spindle (27) and the gear motor axis (49) are arranged substantially antiparallel, so that the from the geared motor (13) outgoing flow of force into an opposite, antiparallel direction is deflected, and a path of travel (50) of the push rod (11) from the outside can be adjusted continuously.
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