When you make the steering linkage you need to be aware of a problem.
As designed it does not work correctly, the drag link needs an additional axis of movement where it joins the bottom of the drop arm from the steering box. It needs to be able to swing from side to side to follow the radius of the steering arm on the hub.
Most of the ones you see are wrong in this respect, and the joint will have been made very loose fitting to allow for the misalignment.
Phil