Model Armstrong Cannon. Machining the trunnions-3.

by John

On my “reject” barrel the silver soldering was problematic, and one trunnion was subsequently glued into place with Loctite 620.  This proved to be so effective, clean, and controllable that I used the Loctite for the main barrel.  The following video shows the Loctited trunnions being machined, and showing no signs of being dislodged.

It also shows a possibly dodgy but successful method of rounding the ends of the trunnions.

IMG_8591

The finished trunnions and shoulders.  Resting on a 3D printed platform which is quite handy.

Click on the arrow to see the 5″ video.