This video from Autodesk on applying rotational constraints shows the application of a rotational constraint to two gears. Works fine and I can replicate it - when the first gear is rotated the second gear rotates giving the appearance of a functioning pair of gears. What the video does not show is what happens when the second gear is moved.
I am trying to model a gearbox with three shafts for use in an assembly. Two shafts are along the same axis of rotation and emerge from opposite sides of the box but rotate in opposite directions, so using a single shaft through the part is not an option. I have two short shafts that have the rotation constraint applied so that when the first shaft revolves clockwise the second revolves counterclockwise.
When the first shaft is turned the second turns the opposite way - perfect.
When the second shaft is turned the first shaft does nothing. Attempting to apply the constraint again selecting the second shaft as the first part does not work, it locks the second part in place.
How can this constraint be made bidirectional so that turning either shaft results in the correct motion from the other shaft?
