today I worked on welding the landing gear attaching points to the frame so I could spend tomorrow sandblasting and painting the rest of the frame.
here I'm putting a plumb line down the center of the frame and adding a string level to it, not pictured is another level to ensure the frame is level laterally

here I have a plumb bob hanging over the transverse where the tube should line up with the transverse and on the center line of the axle box.

here I have drilled the hole for the socket.
