dad and I's homebuilt cannon

[johncharlse1]

it has a 2" boar which lets us shoot and 1 7/8 " trailer ball hitch from..... these videos were from 2009
https://www.youtube.com/watch?v=5f8ySXmomSA
https://www.youtube.com/watch?v=J60FMtih3s0
https://www.youtube.com/watch?v=HQW1oAtYx6g

[Crab107]

Nice buddy. How much and what kind of gun powder did you guys use? What kind metal was used for the cannon?