All construction is finished. This was a lot of fun and is the biggest thing I ever made in the way in the way of a prop. I just need to make the shooter work. That may not be until after we get back.
Yes I will do a video.
Come see it at Animethon 20 August 9-11 2013. You might even get to fire it.
The first picture is the cannon. The second looking down into the shooter, The third is one of two pressure gauges and the firing valve.
Length 38”
Bore 12”
Width 22”
Wheel diameter 19”