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 49 users online :: 5 registered, 0 hidden and 44 guests


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

Registered users: Bing [Bot], Exabot [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

Shot Results! First Air Cannon./any ideas on how to improve?

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: Matt221985 » Wed Jun 06, 2007 12:29 am

yea, very clean, lol, i didnt do to bad, clear glue and primer works good, and i scrubbed all the pvc down real good, so no lettering or dirt
  • 0


Matt221985
Specialist
Specialist
 
Posts: 59
Joined: Mon Jun 04, 2007 1:55 pm
Reputation: 0

Unread postAuthor: simo » Wed Jun 06, 2007 2:37 am

its alright you just need new adaptors much stronger they dont look presure raited great gun other wise very clean but give it a paint and upgrade to a sprinkler valve. the ball valve is a great start and great way to have fun for the first time
  • 0

User avatar
simo
Corporal
Corporal
 
Posts: 63
Joined: Mon Apr 23, 2007 9:50 am
Reputation: 0

Unread postAuthor: hi » Wed Jun 06, 2007 8:57 am

on a cannon like that i think that a sprinkler valve would accually hurt the proformance.
  • 0

"physics, gravity, and law enforcement are the only things that prevent me from operating at my full potential" - not sure, but i like the quote

you know you are not an engineer if you have to remind yourself "left loosy righty tighty"
User avatar
hi
Major General
Major General
 
Posts: 1619
Joined: Thu Feb 01, 2007 9:28 pm
Reputation: 0

Unread postAuthor: Matt221985 » Wed Jun 06, 2007 11:39 am

well, today i shot it off twice, only had 2 spuds and no money to buy more, lol. Got about 200 yds or a little less at 60psi, i guess that not too bad but not what i expected. A small leak, but very slow leak.
  • 0


Matt221985
Specialist
Specialist
 
Posts: 59
Joined: Mon Jun 04, 2007 1:55 pm
Reputation: 0

Unread postAuthor: hi » Wed Jun 06, 2007 6:54 pm

yea, in your mind 200 yards if far, but when you shoot a cannon you want more. we all would like a little more.
  • 0

"physics, gravity, and law enforcement are the only things that prevent me from operating at my full potential" - not sure, but i like the quote

you know you are not an engineer if you have to remind yourself "left loosy righty tighty"
User avatar
hi
Major General
Major General
 
Posts: 1619
Joined: Thu Feb 01, 2007 9:28 pm
Reputation: 0

Unread postAuthor: Matt221985 » Wed Jun 06, 2007 7:51 pm

yea, i had it at 90 psi a few times today, worked awesome! lost site of the spuds . ik, dangerous me, but its holding up.
  • 0


Matt221985
Specialist
Specialist
 
Posts: 59
Joined: Mon Jun 04, 2007 1:55 pm
Reputation: 0

Unread postAuthor: ShowNoMercy » Wed Jun 06, 2007 7:54 pm

Of course it will be not dangerous till that one time that it fails and takes your arm with it. :lol:
  • 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

Sponsored

Sponsor
 


Unread postAuthor: A-98 » Wed Jun 06, 2007 7:56 pm

my gift to you , brave soldier :D
  • 0

There are rules, and then there are hundred dollar bills.
User avatar
A-98
Brigadier General
Brigadier General
 
Posts: 921
Joined: Thu Apr 27, 2006 7:41 pm
Location: Santa Barbara, CA
Reputation: 0

Unread postAuthor: Matt221985 » Wed Jun 06, 2007 7:56 pm

lol, well, it will be this way for a short period of time, then ill replace the fittings, ran outta money, this is not a cheap hobby, lol, just had it at 100 psi, damn, spud flew!!!
  • 0


Matt221985
Specialist
Specialist
 
Posts: 59
Joined: Mon Jun 04, 2007 1:55 pm
Reputation: 0

Unread postAuthor: Matt221985 » Wed Jun 06, 2007 8:10 pm

nice body bag, haha
  • 0


Matt221985
Specialist
Specialist
 
Posts: 59
Joined: Mon Jun 04, 2007 1:55 pm
Reputation: 0

Unread postAuthor: Modderxtrordanare » Thu Jun 07, 2007 2:11 pm

hi wrote:there was one, but only for duct tape. with the use of mesh it will stop it.


Not true. Duct tape won't stop pvc shrapnel, nor mesh, or denim, despite what anyone says.

@ Matt: I would replace the DWV fittings whether or not you're using it as a "low pressure gun" or not. I fear for your saftey as well as anyone else who might happen to be in the vicinity when you fire it.

For your sake and ours, replace the fittings, it will cost you a few bucks and 10-20 minutes out of your life, but compare it to pricey hospital bills for you and possibly other people.

Oh, and use the Image button. :)
  • 0

User avatar
Modderxtrordanare
Donating Member
Donating Member
 
Posts: 686
Joined: Mon Nov 20, 2006 1:22 pm
Location: Texas
Reputation: 0

Unread postAuthor: rna_duelers » Thu Jun 07, 2007 5:51 pm

The mesh would most probably have a negative effect on safety.The cannon being held close to the person shooting and with a pipe/fitting rupture the mesh would be moving at a high velocity and cause some serious lacerations,NOT good.

The spuddy is yours to shoot but this site is a community,our community and we don't want a negative view or social status on Spudguns from people being injured from them or possible death.For safety of mind I would swap out the fittings for pressure rated ones.You would only loose about 700ML of chamber volume which isn't a whole lot.The cannon could regularly be taken to 100psi without failure or the problem of failure being on your mind.

200yards-180meters?Is a great distance for a first spuddy,don't swap the ball valve out for a sprinkler as a sprinkler valve in 1" size has the flow of a juice box straw compared to the flow of that ball valve.
  • 0

Image
User avatar
rna_duelers
Major General
Major General
 
Posts: 1740
Joined: Mon Sep 26, 2005 7:07 am
Location: G-land Australia
Country: Australia (au)
Reputation: 1

Unread postAuthor: homedepotpro » Thu Jun 07, 2007 6:26 pm

we all know it is dangerous but what are you going to do, find out where he lives and cut the fittings off his gun? i think you've said all you can and he'll do what he wants to.
  • 0

User avatar
homedepotpro
Lieutenant Colonel
Lieutenant Colonel
 
Posts: 443
Joined: Sun Nov 26, 2006 1:00 am
Reputation: 0

Unread postAuthor: Matt221985 » Thu Jun 07, 2007 7:59 pm

this week i am replacing the fittings. Yes i am "replacing " them this week. Outta money right now, but deff in a couple of days i will be going to the plumbing store and fixing this.
  • 0


Matt221985
Specialist
Specialist
 
Posts: 59
Joined: Mon Jun 04, 2007 1:55 pm
Reputation: 0

Unread postAuthor: ammosmoke » Thu Jun 07, 2007 8:19 pm

Good. This place doesn't need a record of injuries......
  • 0

<img>http://www.speedtest.net/result/309559995.png</img>
User avatar
ammosmoke
Brigadier General
Brigadier General
 
Posts: 1011
Joined: Wed Sep 27, 2006 10:57 am
Reputation: 0

PreviousNext

Return to Pneumatic Cannon Database

Who is online

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

Reputation System ©'