Well i cut off the square end of the cleanout cap and had to dremel out a little bit of the square hole to fit the cylinder in because theres a circular disk that is on the end of the cylinder. For now i just put alot of pressure rated silicone in between the cylinder and cleanout cap. also, the dia...

I had a few air cylinders lying around the basement from my dads business and i thought that i could incorporate it into a cannon design. I picked up an air cylinder that had a large bore (alot of power) but small throw and i thought i could use it to open and close a valve and i came up with this d...