Boom! The classic potato gun harnesses the combustion of flammable vapor. Show us your combustion spud gun and discuss fuels, ratios, safety, ignition systems, tools, and more.
-
Haymara
- Recruit

- Posts: 2
- Joined: Wed Jul 31, 2013 9:10 pm
- Location: Chile
Sun Aug 04, 2013 9:24 pm
Hi, i'm new here, i started to interest on cannons, so i want to ask
what are basic things that i need to know about cannons?
Thanks for your help and sorry for my english (I speak spanish) hehe
-
Solar
- Corporal


- Posts: 545
- Joined: Tue May 17, 2005 11:53 pm
- Has thanked: 1 time
- Been thanked: 17 times
Mon Aug 05, 2013 12:43 am
Always use a regulated source and always have a safety relief valve.
Never rush and use your cannon before the glue is dry.
Only use rated tubing and pipe.
Remember that the words "high pressure" mean different things to different people.
Test your designs with safety glasses and at low pressure to start with.
-
Blitz
- Corporal 2


- Posts: 627
- Joined: Sat Apr 07, 2007 1:48 am
- Location: Illinois
- Been thanked: 3 times
Mon Aug 05, 2013 3:01 am
Some good advice.
I guess a very general thing to understand that cannons we make operate by pressures generated/released in a quick fashion against a projectile which forces out a barrel.
PVC isn't a great material to use, but it IS cheap and easy to acquire, and can be handled safely if done properly. If you go this route, only use pressure-rated piping like Solar mentioned. Don't drop it, either.

-
jackssmirkingrevenge
- Five Star General

- Posts: 26216
- Joined: Thu Mar 15, 2007 11:28 pm
- Has thanked: 576 times
- Been thanked: 347 times
Mon Aug 05, 2013 3:16 am
Haymara wrote:what are basic things that i need to know about cannons?

Tienes que ser mas especifico, es como preguntar "quiero conducir, que tengo que saber sobre los coches?"
I suggest you have a good look through the
See what you like and don't like, if there's something you don't understand, feel free to ask on the forum

hectmarr wrote:You have to make many weapons, because this field is long and short life