Improvised tangent bar

[mklotz]

What do you think about this ? Just a basic design, nothing scientific

Doug

That will work.

I suspect that we never see designs like that in production because the motion of the plate is non-linear relative to the handwheel calibration. That means a table would have to be used to determine the handwheel setting required for a particular angle.

Still, it has the advantage of being self-contained, not requiring a set of gauge blocks, so easier to store and carry.