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 44 users online :: 4 registered, 0 hidden and 40 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

Help with my first piston valve

Post questions and info about pneumatic (compressed gas) powered cannons here. This includes discussion about valves, pipe types, compressors, alternate gas setups, and anything else relevant.
Sponsored 
  • Author
    Message

Unread postAuthor: Hubb » Wed Oct 17, 2007 12:24 am

Pilgrimman wrote:...Best of all, if it breaks, just sweat a bunch so that you have an excuse to buy more deodorant!


:lol:
  • 0

User avatar
Hubb
Major General
Major General
 
Posts: 2390
Joined: Mon May 28, 2007 8:39 am
Location: South Georgia
Reputation: 2

Unread postAuthor: jrrdw » Wed Oct 17, 2007 7:22 am

omgimonfrie2 wrote:I can see a tennis ball working. What would you suggest for a sealing face?


The other half of the tennis ball, just scrap the fuzz off.
  • 0

When life gives you lemons...throw them back they suck!
User avatar
jrrdw
Donating Moderator
Donating Moderator
 
Posts: 6538
Joined: Wed Nov 16, 2005 5:11 pm
Location: Maryland
Country: United States (us)
Reputation: 25

Unread postAuthor: omgimonfrie2 » Wed Oct 17, 2007 2:20 pm

Thanks hubb017, I'm pretty sold on the felt and rubber. And won't a plastic cap break under the pressure? Won't the round shape of the ball affect the sealing?
  • 0


omgimonfrie2
Private
Private
 
Posts: 24
Joined: Fri Sep 21, 2007 11:11 pm
Reputation: 0

Unread postAuthor: Pilgrimman » Wed Oct 17, 2007 5:20 pm

The cap is filled with epoxy or similar, the point I was trying to make was that the fit is EXTREMELY good. Sorry for the confusion. :D
The deodorant I was talking about has flat lids, so the seal is easy to make. Even if it was rounded, the seal could still be made with neoprene, assuming the rounding isn't extreme.
  • 0

Yeah, we wouldn't want to anger the bees, now would we??

I HATE YOU BEES! I HATE YOU BEES! I HATE YOU BEES!

LMAO Classic!!!! I love Family Guy!
User avatar
Pilgrimman
Lieutenant Colonel
Lieutenant Colonel
 
Posts: 481
Joined: Thu Jun 28, 2007 1:10 pm
Location: Grants Pass, OR
Reputation: 0

Unread postAuthor: tomthebomb137 » Wed Oct 17, 2007 6:07 pm

hey im new to piston valves and i was wondering if someone could tell me some easy piston and cylinder materials that dont need machining in simpler terms
thanks so much guys
-tom
  • 0

User avatar
tomthebomb137
Staff Sergeant
Staff Sergeant
 
Posts: 124
Joined: Tue Jun 12, 2007 2:26 pm
Reputation: 0

Unread postAuthor: MrCrowley » Wed Oct 17, 2007 6:10 pm

Go to the how to section, and look for a topic by me telling you how to make 2" pistons, it should be top of the page.

Search next time.
  • 0

User avatar
MrCrowley
Moderator
Moderator
 
Posts: 10207
Joined: Fri Jun 23, 2006 10:42 pm
Location: Auckland, New Zealand
Country: New Zealand (nz)
Reputation: 4

Unread postAuthor: Hubb » Fri Oct 19, 2007 5:49 pm

omgimonfrie2 wrote:Thanks hubb017, I'm pretty sold on the felt and rubber. And won't a plastic cap break under the pressure? Won't the round shape of the ball affect the sealing?


If you are referring to the deoderant cap, it may break on the recoil, if a proper bumper is not used. Fill the cap with expanding foam, such as Great Stuff, and place the tennis ball half on the back to act as the bumper.

As far as the round shape, I would assume you are referring to having the ball used as a seal face. I haven't tried that but you could probably fill this up with Great Stuff as well and it should seal okay.
  • 0

User avatar
Hubb
Major General
Major General
 
Posts: 2390
Joined: Mon May 28, 2007 8:39 am
Location: South Georgia
Reputation: 2

Sponsored

Sponsor
 


Unread postAuthor: omgimonfrie2 » Wed Oct 24, 2007 2:55 pm

I have a can that fits very c good in a 3in pipe. I'm planning on melting some hot glue, and sinking the cut tennis ball into the open end while the glue is still hot. As for the sealing face, you know the puzzle peice like flooring that kids play with? I was thinking the flat side of that will work.
  • 0


omgimonfrie2
Private
Private
 
Posts: 24
Joined: Fri Sep 21, 2007 11:11 pm
Reputation: 0

Previous

Return to Pneumatic Cannon Discussion

Who is online

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

Reputation System ©'