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 39 users online :: 6 registered, 0 hidden and 33 guests


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

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

The Team
Administrators
Global Moderators
global_moderators.png CS

My First Pneumatic (Help Me) (With Pictures)

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: hotrocks » Thu May 10, 2007 8:36 pm

check the link in the beginning of the thread and it says it worked amazing

hmm..i could try, but would it be harder to assemble?

i kinda dont want to spend that much money.....my dad works at a plumbing supplies company, so he can get pipes for free...so i hopefully will spend 0$
  • 0


hotrocks
Private First Class
Private First Class
 
Posts: 33
Joined: Thu May 10, 2007 6:24 pm
Reputation: 0

Unread postAuthor: hotrocks » Thu May 10, 2007 9:06 pm

another questions.....for the example and the one i will make, why is there two chambers into a middle barrel?
  • 0


hotrocks
Private First Class
Private First Class
 
Posts: 33
Joined: Thu May 10, 2007 6:24 pm
Reputation: 0

Unread postAuthor: pyromaniac » Thu May 10, 2007 9:17 pm

Frank he's going to use a brass ball valve.

rocks for future reference there is an edit button by the quote button.

the two chamber is so you can set it up and have it be stable on the ground. All you have to do is pump and then turn the ball valve really fast.
  • 0

:pottytrain3:
User avatar
pyromaniac
Brigadier General
Brigadier General
 
Posts: 805
Joined: Tue Feb 27, 2007 7:18 pm
Location: MO
Reputation: 0

Unread postAuthor: Intel Xeon » Thu May 10, 2007 9:25 pm

If you really want to get the darn thing far, flatten a piece of pliable metal pipe to the height of the hockey puck, square off one of the still rounded edges, and then cut the other one off until the hockey puck looks as if it fits

*ascii*

_____ ____
|____ <pipe |___| <----- puck


and wrap the cut end in friction tape. Mount the barrel tape end up to get a hop-up effect.

ascii didn't work :P but I hope you get the idea.

Just a side note. For a 15-year-old, your grammar is not exceptionally good.
  • 0


Intel Xeon
Sergeant
Sergeant
 
Posts: 84
Joined: Sat Mar 17, 2007 9:43 pm
Location: Philly, PA. (home's in Worcester,MA)
Reputation: 0

Unread postAuthor: pyromaniac » Thu May 10, 2007 9:36 pm

I have an idea for teh puck to be more stable in the air not just flipping around. I'll make it tomarrow and post it hopefully.
  • 0

:pottytrain3:
User avatar
pyromaniac
Brigadier General
Brigadier General
 
Posts: 805
Joined: Tue Feb 27, 2007 7:18 pm
Location: MO
Reputation: 0

Unread postAuthor: frankrede » Fri May 11, 2007 12:34 am

hotrocks wrote:check the link in the beginning of the thread and it says it worked amazing

hmm..i could try, but would it be harder to assemble?

i kinda dont want to spend that much money.....my dad works at a plumbing supplies company, so he can get pipes for free...so i hopefully will spend 0$
A burst disk setup would require you to use burst disks, and you would have to use a new one every shot. But you would get those most bang for your buck
  • 0

Current project: Afghanistan deployment
User avatar
frankrede
Lieutenant General
Lieutenant General
 
Posts: 3220
Joined: Thu Jul 20, 2006 9:47 pm
Reputation: 0

Unread postAuthor: hotrocks » Fri May 11, 2007 6:13 am

ehh i rather do a ball valve...i have to turn the valve fast, but can i wait to actually turn it...like pump it up, wait a minute, then turn it?

And I am sorry, Intel, its just that I am in a rush and I have never seen forums as a place to be proper. I read the Grammar thread, but I don't seem many other people using it and I don't take it as nesecary that we all obide by it.......So I will do my best.

But, you are basically talking about a barrel for the puck...or is there something else I'm missing?
  • 0


hotrocks
Private First Class
Private First Class
 
Posts: 33
Joined: Thu May 10, 2007 6:24 pm
Reputation: 0

Sponsored

Sponsor
 


Unread postAuthor: jrrdw » Fri May 11, 2007 6:47 am

I'm starting to think your not reading the sagested reads, or you wouldn't still have or be asking all the basic build questions that your asking. Or, you just don't have the confidence within yourself that you CAN do it.

Frank, bust disk are fun, strong, unsafistacated, but this is for a school project. If he was to cut loose with a burst disk, they would empty the school thinking they were under attack or something.

Hotrocks, stick with what YOU feel comfterbul(sp) with, you'll be better off.
  • 0

When life gives you lemons...throw them back they suck!
User avatar
jrrdw
Donating Moderator
Donating Moderator
 
Posts: 6539
Joined: Wed Nov 16, 2005 5:11 pm
Location: Maryland
Country: United States (us)
Reputation: 25

Unread postAuthor: hotrocks » Fri May 11, 2007 2:55 pm

is it okay if I use bushings instead of reducers?
  • 0


hotrocks
Private First Class
Private First Class
 
Posts: 33
Joined: Thu May 10, 2007 6:24 pm
Reputation: 0

Unread postAuthor: pyromaniac » Fri May 11, 2007 4:17 pm

reducing brushing yes. Not dwv pipe incresers.

something like this
  • 0

Attachments
4880k199_150x100grp.gif
4880k199_150x100grp.gif (4.51 KiB) Viewed 293 times
:pottytrain3:
User avatar
pyromaniac
Brigadier General
Brigadier General
 
Posts: 805
Joined: Tue Feb 27, 2007 7:18 pm
Location: MO
Reputation: 0

Unread postAuthor: Intel Xeon » Fri May 11, 2007 8:42 pm

Yes, I was indicating plans for a barrel. Also, sorry if I was a bit rude. I have always been a little snippy :)

On that subject, it is bushing, pyro, not brushing. :P
  • 0


Intel Xeon
Sergeant
Sergeant
 
Posts: 84
Joined: Sat Mar 17, 2007 9:43 pm
Location: Philly, PA. (home's in Worcester,MA)
Reputation: 0

Unread postAuthor: turbohacker » Fri May 11, 2007 9:01 pm

Are you allowed to modify the hockey puck at all?
If so, you should Bolt a cone of some type on the front and a tail on the back :sign10:
If you really want a cool gun than do the burst disk idea and have a spike on the end of the hockey puck. When you drop the puck in it will rupture the burst disk material :lol:
  • 0

User avatar
turbohacker
Major
Major
 
Posts: 393
Joined: Wed Dec 20, 2006 12:34 am
Reputation: 0

Unread postAuthor: hotrocks » Sat May 12, 2007 8:35 am

yeah i was thinking but a cone on the top and a tail on the back and my group thought it was stupid! yay im not the only one who thinks now a days
  • 0


hotrocks
Private First Class
Private First Class
 
Posts: 33
Joined: Thu May 10, 2007 6:24 pm
Reputation: 0

Unread postAuthor: hotrocks » Sat May 12, 2007 9:19 am

hmm do you think I could make everything 3 inch?

and also, how to i get the bike pump into the chamber..do i just drill a hole in an endcap and stick the valve in there and then just pump, then screw it back on?

also, what are the female adapters and the couplings for?
  • 0


hotrocks
Private First Class
Private First Class
 
Posts: 33
Joined: Thu May 10, 2007 6:24 pm
Reputation: 0

Unread postAuthor: hotrocks » Sat May 12, 2007 9:20 am

hmm do you think I could make everything 3 inch?

and also, how to i get the bike pump into the chamber..do i just drill a hole in an endcap and stick the valve in there and then just pump, then screw it back on?

also, what are the female adapters and the couplings for?

what would be a good chamber/barel ratio?

ahh sorry forthe double post
  • 0


hotrocks
Private First Class
Private First Class
 
Posts: 33
Joined: Thu May 10, 2007 6:24 pm
Reputation: 0

PreviousNext

Return to Pneumatic Cannon Database

Who is online

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

Reputation System ©'