I am thinking of a sabot with foam to hold it on about half of it's surface area evenly and also a 10ft barrel to have a slower acceleration. I would also carefully pick out eggs to fit the sabot. We have too many duck eggs and they are a lot stronger than chicken eggs so we can fire those. Now that...

I figured it out. All I had to do was run it as administrator. Sorry if you reply to run it as and administrator before this post is posted as I am new and a moderator will have to approve my message.

I have built a few pneumatic cannons before and I am planning to make a hybrid cannon. I would rather use a piston valve than a burst disc. I want to do a 5-10x propane, but I don't know how to control the piston valve. I have searched on the forums but I am probably missing something big. Do they u...

I am relativity new to spud guns (I have built 2 pneumatic cannons without any real software) and I am trying to download HGDT and GGDT so i can build a long range (stationary) egg cannon. I tried to download them and they both gave the same error message, "Run-time error '339': Component 'comdlg.oc...