Rush

After completing the Merlin's valves I will have made a total of 92 valves, including spares, for three different model engines during...

I have only blind access to the journals that need to be counterbored since their ends are blocked by the workpiece spigots as well one...

I made a motion study using 2D CAD images, so as to understand the valve timing, as shown below. This motion study was made before I...