Model A - changing setup

 I do believe we have come to the end of the milling that we are doing on the rotary table. Both the slots are finished as far as I can tell at the moment, so we need to have a look, have a measure, and think about the next steps. 

Fitting the shaft into the gearbox cover this time, I have discovered that the inner 1 in or so of the shaft is around 0.002" oversize - it is dead on 1.125 in, but needs a little bit of clearance. The main part of the shaft is 1.122 in and fits perfectly.

Again both ends of the slot that the stop fits into will change shape when we get the shaft onto the vertical slide.

You can see here the vast difference in length of these two parts!

Comparing old and new:

I've made some simple stiff card templates to make sure that the shapes of the slots are correct and to help me place the beginning and end of the flat area the pawl sits on: