Search found 5 matches

by Daviator
Sat Mar 17, 2012 12:32 am
Forum: Combustion Cannons
Topic: burst disc material
Replies: 5
Views: 2330

burst disc material

my current cannon doesnt use a burst disc system . the ball just sits in the barrel and is held in place by a ball catcher i made. i want to refit the gun to use burst discs. any ideas on material to use for a 15,30, and 45 psi burst disc? the gun is made of sch80 pvc and im using starting ether for...
by Daviator
Mon Mar 05, 2012 1:47 pm
Forum: Combustion Cannons
Topic: new to spud guns some help or advice please
Replies: 15
Views: 5105

well thats unfortunate. i was hoping that this would achieve supersonic speeds,and since its simple to build wouldnt require so much time as some of they hybrids look like they would.
by Daviator
Mon Mar 05, 2012 3:06 am
Forum: Combustion Cannons
Topic: new to spud guns some help or advice please
Replies: 15
Views: 5105

the wood because i have access to a lathe and i was thinking of drilling out the center and pouring in a bit of lead in to give it weight forward then sealing the back end up with hot glue. 6$ a round is a bit rich for me :cry:
by Daviator
Mon Mar 05, 2012 1:47 am
Forum: Combustion Cannons
Topic: new to spud guns some help or advice please
Replies: 15
Views: 5105

the reason for the break barrel would be the rifling. i plan on making wooden projectiles to fit the barrel. wouldn't muzzle loading with the rifling mess up the projectile prior to firing ? For a breach load, would you make that somewhat similar to the picture you posted above, if you were using st...
by Daviator
Sun Mar 04, 2012 11:29 pm
Forum: Combustion Cannons
Topic: new to spud guns some help or advice please
Replies: 15
Views: 5105

new to spud guns some help or advice please

i built my first gun to shoot golf balls, it worked pretty good. but now im looking to shoot faster and further. id like to build a gun made of steel and use acetylene and oxygen for the fuel. id also like to make it a break barrel, im planning on getting the barrel rifled, so i can shoot projectile...