New parts made
Cad drawings used to assist production of some parts
Using the same tooth pitch for both the hour and the quarters, in this case meant that the contact point for the quarter rack had to be closer to the fulcrum, because the steps on the quarter rack are shallow. Meaning the rack tail would not align with the centre of the snail as is commonly the case.
Blank racks in position to check tooth pitch against a scriber point height gauge.
New stop work