I drew out the sensor and it’s arms on a cad package. Could just as easily have done it on paper. Circles at each pivot to show possible movement. I drew both extremities of it’s measurement and also centre position. I then drew a line with a centre mark to represent the steer ram travel. This could then be moved around the drawing so that the centre and both ends landed on the arm arcs.
This probably doesn’t make much sense but I’ll try to post my diagram. It might help explain and might help someone. I didn’t draw it with the intention of it being useful to others!
Sensor pivot is the sensor itself. Knuckle is self explanatory. The suffix letter is it in it’s left, centre or right position. The green circles are the swing of the sensor’s steel arm. The red line is the length of the ram travel with travel centre marked. Basically I moved the red line around so the left end sat on the left position circle, the centre position sat on the centre circle and the right position sat on the right circle. On top of all that I tried to make sure the knuckle angle deflection is reasonably balanced L-R. The measurements told me where to fit my sensor in relation to the ram travel (Red Line). It’s not geometrically perfect but it’s not far off and it works just fine with AOG.