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A.E.S.P.P.G (an easy spare parts piston gun)

Built a pneumatic cannon? Then post it here! This section is for completed, finished cannons that you have built. Please include pictures and information.
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A.E.S.P.P.G (an easy spare parts piston gun)

Unread postAuthor: Mr.Sandman » Mon Jun 16, 2008 10:54 pm

This is my gun that i just made. I was really bored and decided to make a piston gun. For the valve i used a type of barrel sealing valve i call a Slamma valve. Im not going to show you a diagram because people will copy me. For the chamber i used a custom spray painted c02 tank. and for the pilot i used a 1/4 ball valve.Feel free to ask any questions.


I will post vids and damage pics as soon as my camcorder charges up.
Also as far as power is concerned it will shoot a marble through an axe can at 50 psi. I cant wait to take it up to 100 psi.
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Attachments
piston gun.jpg
just a quick pic
pistongun2.jpg
another look at the gun
damage.jpg
marble at 85 PSI went through the whole book
damage2.jpg
exit hole from marble
diagram.jpg
sorry about the very ugly diagram i have to do this on a really old computer
Last edited by Mr.Sandman on Tue Jun 17, 2008 11:18 am, edited 1 time in total.
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Unread postAuthor: FordGtMan » Mon Jun 16, 2008 10:56 pm

Piston valve eh? looks like a ball valve to me... :roll:
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Unread postAuthor: ajb12345 » Mon Jun 16, 2008 10:59 pm

WTF your supposed to share your innovations. Other wise good cannon. Goodpaint job but again what the he'll is a slammer valve. Is it like a vertilcal piston or hammer valve???
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Unread postAuthor: daxspudder » Mon Jun 16, 2008 11:17 pm

I think its just a ball valve actuated pilot on a modified piston valve that a newb thinks is "new and revolutionary", possibly innovative but no one will know if he doesnt spill details. Nice paint job, but could be better/on the whole gun. Please give details.
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Unread postAuthor: Mitchza89 » Mon Jun 16, 2008 11:25 pm

Yeah that's pretty selfish to not share you're idea's.. Nice cannon otherwise.
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Unread postAuthor: FordGtMan » Mon Jun 16, 2008 11:38 pm

Yeah, people wont believe crap here unless proof like a diagram of your work is present. That is what spudfiles does and dont bother posting without sharing ideas.
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Unread postAuthor: TwitchTheAussie » Mon Jun 16, 2008 11:44 pm

Thats pretty slack man. Til you share the design we shall count your cannon as a ball valve gun (well I will)
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Unread postAuthor: Carlman » Tue Jun 17, 2008 12:09 am

its a ball valve gun with massive overkill chamber, nothing more till we see details
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Unread postAuthor: MrCrowley » Tue Jun 17, 2008 12:16 am

My bet is that if it is a piston valve, it's a verticle valve and the barrel port has an elbow inside the tee so the seat is facing up. If that is the case the flow wouldn't be great.
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Unread postAuthor: trollhameran » Tue Jun 17, 2008 1:56 am

does look suspiciously like a ball valve cannon, but its given me an idea lol
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Unread postAuthor: Hydra » Tue Jun 17, 2008 2:17 am

Umm yeah, saying that people will copy your idea is kinda mean. People wont say that "I made up this design, no one else did" They are just going to use it, saying that it was a slammer valve or what ever.
The point im making is that theres nothing wrong with other people using your ideas, but not claiming credit for it.
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Unread postAuthor: MrCrowley » Tue Jun 17, 2008 2:30 am

Yeah if people do end up using it they will refer to it as the 'Slammer Valve', which everyone will know you made.

What's wrong with that, don't you want to help advance Spudguns? What if PCGUY made you pay to view this site so he could make a profit of 'his' database.

Let's face it, without the help of others you wouldn't of built whatever you did, so you may as well give back.
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Unread postAuthor: MaxuS the 2nd » Tue Jun 17, 2008 3:18 am

Indeed, the sharing of ideas is the process that forwards us in the evolutionary chain of spuds.
So, why are you lying?
That's a ball valve gun.
Reasons?
You just arrived, and you're inventing new valves?
I see no pilot.
Not sure if you noticed, but there's a ball valve between the barrel and the chamber.

You could have had good comments about it just being a good looking ball valve cannon. But no, it has to be a piston gun using a 'Slamma Valve'.
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Unread postAuthor: Hotwired » Tue Jun 17, 2008 6:23 am

We would want to copy you?

If you have made a side venting piston valve, I've got designs of such that are over a year old.

We even have a guy here (Solar) who's shared the operating details of his valve system in his machined aluminium semi-auto 40mm cannon which he's planning on selling.

So chill out and share.
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Unread postAuthor: Mitchza89 » Tue Jun 17, 2008 6:40 am

Curious to know, what valve system did Solar use in the Eclipse? I never found out dispite many hours of searching...
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