Excellent work

Finally something comes to help us

Good stuff....

Really good stuff

You should use a good and perfect shaft....

I´m waiting to see a shoot with the cannon
We hope that won´t happen something like the ammo moving faster than the gases inside the barrel....

Cool staff, have you already fire with a hybrid or a combustion, fuelling it with the gas you produce?

I´m sure you are happy with the results, Al is cheaper than Zn....