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 70 users online :: 3 registered, 0 hidden and 67 guests


Most users ever online was 155 on Mon Aug 15, 2016 1:40 am

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

The Team
Administrators
Global Moderators
global_moderators.png CS

My prototype

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: )DEMON( » Mon May 07, 2007 11:14 am

The scepter launcher system, no but I know exactly how it works. Very simple.

Solars awesome revolving grenade launcher is like black magic to me, very impressive and I don't understand it.

Not very worried about compitition as of now, IF I ever manage to develope the launcher commercially it would only be years from now. After I finish school. (I think, lets see how things turn out)

I still have a lot of development to go but I am sure that because of the minimal machining needed (not a lot of parts to machine) it will be quite cheap to the consumer.

I am not counting on this making me any money at all, just a nice thought. One thing is for sure though, I want one for my paintball set up.
  • 0

Forever dreaming...
User avatar
)DEMON(
Major General
Major General
 
Posts: 1391
Joined: Sun Mar 12, 2006 1:22 pm
Location: Johannesburg South Africa
Reputation: 0

Unread postAuthor: )DEMON( » Mon May 07, 2007 2:37 pm

Ok, a few things happend tonight. I spoke to my dad freind who is a machinist and he say my design might not seal at high pressures, also told me machining is expensive. I wish I had the tools to do it myself.

I gave the prototype to my freind to examine (and to scare his cats, it ain't powerfull rightnow). I still believe in the design and I have a different one for a clip fed pistol that is foolproof :D

But anyway, I will share the design, I made a GIF animation earlyer which I will post up. Self expanitory really.

Hmmmmmm :?
  • 0

Attachments
launcher.gif
launcher.gif (17.86 KiB) Viewed 208 times
Forever dreaming...
User avatar
)DEMON(
Major General
Major General
 
Posts: 1391
Joined: Sun Mar 12, 2006 1:22 pm
Location: Johannesburg South Africa
Reputation: 0

Unread postAuthor: Mr.Russ » Mon May 07, 2007 5:26 pm

is that just a hose barb where the air comes in, leading to a solid piston with a hole to to through to the air chamber? then to fire it you move the tigger back?

If it is thats a very good design, something similar i would do is maybe a bigger chamber, and change the nipple to a tyre vavle so you dont need constant flow.

Also is there a sealing face on the bottom part of the piston, to seal against linking to the chamber?

EDIT: Whoops, just realised the o-ring on either side of it. THis design is very good
  • 0

User avatar
Mr.Russ
Lieutenant Colonel
Lieutenant Colonel
 
Posts: 429
Joined: Fri Jan 26, 2007 9:07 pm
Reputation: 0

Unread postAuthor: Hotwired » Mon May 07, 2007 7:14 pm

Hmm...

You're essentially making an oversized slide valve.

If you can get everything machined to sufficient tolerances and get the o-rings to slide and seal as they should then it should be nice to see.
  • 0

User avatar
Hotwired
Lieutenant General
Lieutenant General
 
Posts: 2599
Joined: Fri Oct 13, 2006 5:51 am
Location: UK
Reputation: 0

Unread postAuthor: keep_it_real » Mon May 07, 2007 7:35 pm

I found this one wikipedia about o-rings.

"They can seal tens of megapascals (thousands of psi) pressure."
I really don't see why it wouldn't seal if you construct it correctly.

I really like the design. Good job thinking up something new. It's basically a modified chamber sealer. If you're making it for paintball use, how will it be loaded?
  • 0


keep_it_real
Captain
Captain
 
Posts: 320
Joined: Sat Dec 23, 2006 4:41 pm
Location: Bend, Oregon
Reputation: 0

Unread postAuthor: schmanman » Mon May 07, 2007 8:08 pm

wow, sorry, I did'nt see this until now. smart, I ma have to try this, because I have some billet aluminum laying around, and a acess to a lathe, mill, and cnc..
  • 0

Persistence is a measure of faith in yourself
User avatar
schmanman
Major General
Major General
 
Posts: 1685
Joined: Sat Mar 25, 2006 12:28 pm
Location: Michigan,U.S.A
Country: United States (us)
Reputation: 0

Unread postAuthor: iPaintball » Mon May 07, 2007 8:22 pm

Wow schmanman, I wish I had acces to all of that stuff. The closest thing I have to that right now is a broken wood lathe my shop teacher gave me
  • 0

User avatar
iPaintball
Colonel
Colonel
 
Posts: 695
Joined: Sun Mar 04, 2007 8:37 pm
Reputation: 0

Sponsored

Sponsor
 


Unread postAuthor: )DEMON( » Tue May 08, 2007 1:45 pm

Hotwired wrote:If you can get everything machined to sufficient tolerances and get the o-rings to slide and seal as they should then it should be nice to see.


Ok, but I don't know where I could get it made. Maybe sometime this year. I am not listening to what my freinds dad said, sure a lot of it was good but I beilieve this will work. He suggested a cup seal design but that would over complicate things.

keep_it_real wrote:I really like the design. Good job thinking up something new. It's basically a modified chamber sealer. If you're making it for paintball use, how will it be loaded?


I would like to make a break barrel loader, so you pop the barrel out the side (pivoting at the front) of the launcher for easy quick loading.

Schmanman wrote:wow, sorry, I did'nt see this until now. smart, I ma have to try this, because I have some billet aluminum laying around, and a acess to a lathe, mill, and cnc..


You always manage to make me jealous...
  • 0

Forever dreaming...
User avatar
)DEMON(
Major General
Major General
 
Posts: 1391
Joined: Sun Mar 12, 2006 1:22 pm
Location: Johannesburg South Africa
Reputation: 0

Previous

Return to Pneumatic Cannon Discussion

Who is online

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

Reputation System ©'