Blog Archive

Saturday, October 12, 2013

Machining Na Cylinders


In the workshops of one of Puffing Billys engineering contractors, Jack Thompson Engineering, the first of the new Na Locomotive cylinder castings has been set up on one of their machines, and some prelimenary machining carried out. The photos show the cylinder undergoing some initial cuts to create datum faces for more detailed marking out, which will be followed by final machining.