Login    Register
User Information
Username:
Password:
We are a free and open
community, all are welcome.
Click here to Register
Sponsored
Who is online

In total there are 47 users online :: 4 registered, 0 hidden and 43 guests


Most users ever online was 218 on Wed Dec 07, 2016 6:58 pm

Registered users: Bing [Bot], Google [Bot], MSNbot Media, Yahoo [Bot] based on users active over the past 5 minutes

The Team
Administrators
Global Moderators
global_moderators.png CS

Pneumatic CO2 T-Shirt Cannon

Built a pneumatic cannon? Then post it here! This section is for completed, finished cannons that you have built. Please include pictures and information.
Sponsored 
  • Author
    Message

Unread postAuthor: helluvamatt » Mon Oct 08, 2007 9:41 am

I have already pressurized the chamber to 100 PSI. It held just fine. Just how do you know those are DWV fittings?
  • 0


helluvamatt
Private
Private
 
Posts: 7
Joined: Sun Sep 23, 2007 6:54 pm
Reputation: 0

Unread postAuthor: ShowNoMercy » Mon Oct 08, 2007 10:05 am

They lack the depth in sockets that regular pipe would have. Therefore the thickness of the pipe is not your concern but rather how much of the pipe fits into fittings, consequently making it weaker, although I guess if it did blow up it would just shoot apart rather than explode.
  • 0

Jesus saves, no need to pray
The gates of pearl have turned to gold
It seems you've lost your way
User avatar
ShowNoMercy
Brigadier General
Brigadier General
 
Posts: 1094
Joined: Mon Mar 19, 2007 8:08 am
Location: Jersey Bitches!
Reputation: 0

Unread postAuthor: Pete Zaria » Mon Oct 08, 2007 10:07 am

You can tell from the short socket depths and the bell reducers (as opposed to couplers and bushings).
DWV pipe is safe for combustion launchers seeing as they generate a max of about 80psi and only for a split second, but we STRONGLY recommend avoiding DWV pipe for pneumatics. I personally would not feel safe holding a DWV chamber pressurized to 100psi.

Peace,
Pete Zaria.
  • 0

User avatar
Pete Zaria
Moderator
Moderator
 
Posts: 978
Joined: Fri Mar 31, 2006 6:04 pm
Location: Near Seattle, WA
Reputation: 0

Unread postAuthor: helluvamatt » Fri Oct 12, 2007 7:11 pm

Okay, I see what you all are talking about. Thank you. I pressurized the gun to 100 PSI today and shot a T-shirt across the street. Problem is, I am tied to my huge compressor by a 50 ft hose. Any ideas for CO2 portability?
  • 0


helluvamatt
Private
Private
 
Posts: 7
Joined: Sun Sep 23, 2007 6:54 pm
Reputation: 0

Unread postAuthor: noname » Sat Oct 13, 2007 4:26 pm

You just endangered you life, alon with eveyrone else in a 50 foot radius. CUT OFF THE DWV REDUCERS!
  • 0

User avatar
noname
Lieutenant General
Lieutenant General
 
Posts: 2699
Joined: Mon Apr 10, 2006 9:19 pm
Location: Bay Area, CA
Country: United States (us)
Reputation: 9

Unread postAuthor: veginator » Sat Oct 13, 2007 4:35 pm

Seriously cut off the DWV I accidentaly made a DWV chamber for my pneumatic and after a few days at my friends house the reducer bushing cracked.
  • 0

User avatar
veginator
Sergeant Major
Sergeant Major
 
Posts: 186
Joined: Tue Apr 10, 2007 4:02 pm
Reputation: 0

Previous

Return to Pneumatic Cannon Database

Who is online

Registered users: Bing [Bot], Google [Bot], MSNbot Media, Yahoo [Bot]

Reputation System ©'