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 42 users online :: 4 registered, 0 hidden and 38 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

ThunderpipeFX1

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

ThunderpipeFX1

Unread postAuthor: Dobbs » Mon Jun 02, 2008 6:12 pm

I would love to buy one of these from Spudtech, but it seems l'm a little late to the party. Is there anyone else who's making these, or any word about when spudtech might be active again? Otherwise, I'd love a diagram or at least a shopping list to build my own.


Thanks
  • 0


Dobbs
Private
Private
 
Posts: 3
Joined: Mon Jun 02, 2008 5:43 pm
Reputation: 0

Unread postAuthor: bigbob12345 » Mon Jun 02, 2008 7:08 pm

Well all it is is a tank that gets depressurized by an everyday sprinkler valve.
It looks like he uses about 1.5ft of 3in pvc for the chamber and then some various 1in copper fittings and pipe to get to the barrel, which looks like 1.5in copper pipe but could be 2in.

I would say that you could make your own for less than $100
  • 0

User avatar
bigbob12345
Major General
Major General
 
Posts: 1516
Joined: Sat Dec 01, 2007 9:13 am
Location: Mercer Island,Washington
Reputation: 0

Unread postAuthor: CS » Mon Jun 02, 2008 8:15 pm

Just a little late... (incidentally my post, but I meant SpudTech closing)

Looks fairly straight forward. I'll list the components from the chamber bottom, to the barrel end:

PVC - 2" Cap
PVC - Section of 2" pipe (10-12" long)
PVC - 2" Coupling
PVC - 2" Slip x 3/4" Female NPT Bushing
PVC - 3/4" NPT Close Nipple
OTH - 3/4" Sprinkler Valve
COP - 3/4" Male Adapter
COP - 3/4" Street Elbow
COP - Section of 3/4" pipe
COP - 3/4" Elbow
COP - Section of 3/4" pipe
COP - 3/4" Elbow
COP - Section of 3/4" pipe
COP - 3/4" Street Elbow
COP - 1 1/4" x 3/4" Reducer
COP - Section of 1 1/4" pipe (20" long)
COP - 1 1/4" Male Adapter

I can't ensure you these are the EXACT dimensions (and hopefully some one out there can provide them) but most spudders understand the operation of potato guns work fairly proportionally. So making the thing to these dimensions and it will undoubtedly work - maybe not as good - or even better! Depends.

Then the other stuff you need:
- 125 PSI Pop-Off Safety Valve
- Pressure Gauge
- Tire Valve
- 1 1/4" Pipe Hangers? (2x)
- U-Bolt and nuts (2x)
- Wire
- Switch
- 9V Battery (W/ clip)
- Project Box

Not to mention the damn thing you mount to... lots of knick-nacky parts. Plus tools...

:(
  • 0

User avatar
CS
Donating Moderator
Donating Moderator
 
Posts: 1897
Joined: Fri Feb 18, 2005 5:32 pm
Location: Southern Utah
Country: United States (us)
Reputation: 4

Unread postAuthor: blind909 » Mon Jun 02, 2008 8:51 pm

i drew up a quick paint drawing, hope it helps, this, along with pimps part list, you should be able to make one.

Image
  • 0

<a href="http://www.danasoft.com"><img src="http://www.danasoft.com/citysign.jpg" border="0"></a><div>
THIS STATES WHERE YOU LIVE, NOT ME, IT SAYS WHERE YOU LIVE BASED ON YOUR IP ADRESS.
User avatar
blind909
Brigadier General
Brigadier General
 
Posts: 828
Joined: Thu Aug 02, 2007 6:06 pm
Location: Las Vegas, NV
Reputation: 1

Unread postAuthor: starman » Mon Jun 02, 2008 10:22 pm

Does anyone know if this gun was purpose built for anything in particular...other than just shooting spuds? It looks like it stood straight up in operation.

Edit: Found a video link here... http://www.detonationfilms.com/ThunderpipeFX.htm
  • 0

Last edited by starman on Mon Jun 02, 2008 10:37 pm, edited 1 time in total.
User avatar
starman
Donating Moderator
Donating Moderator
 
Posts: 3041
Joined: Wed Dec 12, 2007 12:45 am
Location: Simpsonville, SC
Reputation: 0

Unread postAuthor: subsonic_karet » Mon Jun 02, 2008 10:25 pm

  • 0


subsonic_karet
Private
Private
 
Posts: 15
Joined: Sun Feb 17, 2008 6:28 pm
Reputation: 0

Unread postAuthor: starman » Mon Jun 02, 2008 10:39 pm

subsonic_karet wrote:The power of google.

http://www.detonationfilms.com/ThunderpipeFX.htm


Beat me on the edit there...looks like a special effects mortar...not sure what I personally would use one for. The effect is impressive however.
  • 0

User avatar
starman
Donating Moderator
Donating Moderator
 
Posts: 3041
Joined: Wed Dec 12, 2007 12:45 am
Location: Simpsonville, SC
Reputation: 0

Sponsored

Sponsor
 


Unread postAuthor: psycix » Tue Jun 03, 2008 7:57 am

Why not build it normal over/under style instead of this zig-zag over-under style.
Turn the chamber+valve around so that it points down and then two elbows to the barrel.
  • 0

Till the day I'm dieing, I'll keep them spuddies flying, 'cause I can!

Spudfiles steam group, join!
User avatar
psycix
Donating Member
Donating Member
 
Posts: 3684
Joined: Mon Jun 25, 2007 7:12 am
Location: The Netherlands
Reputation: 0

Unread postAuthor: bugsingelyn » Tue Jun 03, 2008 9:17 am

Why not build it normal over/under style instead of this zig-zag over-under style.
Turn the chamber+valve around so that it points down and then two elbows to the barrel.


I think the point of the "U-Trap" is so the ammo doesn't damage or dirty the valve. This is a special effects cannon, and glitter, confetti, kerosene, or whatever else you want to put in it would clog up the sprinkler valve. I like the idea of the U-Trap if the purpose is for special effects.
  • 0


bugsingelyn
Private First Class
Private First Class
 
Posts: 25
Joined: Sun Sep 10, 2006 2:58 pm
Reputation: 0

Unread postAuthor: Dobbs » Wed Jun 04, 2008 12:51 pm

Thanks all for your quick responses.

My remaining questions are:

#1 the chamber. The parts list calls for a 2"x11", while the diagram suggests 3". I'm leaning toward 3" thinking of greater volume, but as Pimpman22 mentioned it's all about the proportions.

#2 the valve. Is there a specific brand or type of valve that's better than others? I've got to say that this one doesn't look like the valves that water my yard.

Thanks again.
  • 0


Dobbs
Private
Private
 
Posts: 3
Joined: Mon Jun 02, 2008 5:43 pm
Reputation: 0

Unread postAuthor: SpudFarm » Wed Jun 04, 2008 1:39 pm

i think the guys here use "rainbird" valves..

can't comfirm it since Norway don't use such valves
  • 0

"Made in France"
- A spud gun insurance.
User avatar
SpudFarm
Donating Member
Donating Member
 
Posts: 2563
Joined: Sat Nov 04, 2006 9:39 am
Location: Norway Trondheim area
Reputation: 0

Unread postAuthor: CS » Wed Jun 04, 2008 1:49 pm

1) Yeah no problem in a 3" chamber. If you find the cannon is too powerful for your effect, you can just drop the PSI a bit.

2) 1" In-Line Orbit Sprinkler Valve . Tried and true. One of the cheapest valves out there, and you can find it at almost any Home Depot or Lowes. Should run you ~$12. Here is a pic just in case:

Image

And to cut the chase pneumatically modify the valve. Not even being concerned with performance it is a much more reliable method of firing the valve. That way you don't need batteries to open your valve.
  • 0

User avatar
CS
Donating Moderator
Donating Moderator
 
Posts: 1897
Joined: Fri Feb 18, 2005 5:32 pm
Location: Southern Utah
Country: United States (us)
Reputation: 4

Unread postAuthor: SpudFarm » Wed Jun 04, 2008 1:51 pm

and it is more reiable (?) under water if it is pneumaticly triggered
  • 0

"Made in France"
- A spud gun insurance.
User avatar
SpudFarm
Donating Member
Donating Member
 
Posts: 2563
Joined: Sat Nov 04, 2006 9:39 am
Location: Norway Trondheim area
Reputation: 0

Unread postAuthor: Dobbs » Wed Jun 04, 2008 4:21 pm

Is there is significant performance penalty for electric triggering? I was thinking that I would make the trigger two stage, to prevent accidental discharges. It would also give me the option of linking the trigger pulse to something else, such as an electronic delay circuit to fire my camera. I suppose that implies a level of reliability yet to be demonstrated.

Thanks,
  • 0


Dobbs
Private
Private
 
Posts: 3
Joined: Mon Jun 02, 2008 5:43 pm
Reputation: 0

Unread postAuthor: SpudFarm » Wed Jun 04, 2008 4:32 pm

use a blowgun to trigger it and have a ball valve between the valve and the blowgun.
  • 0

"Made in France"
- A spud gun insurance.
User avatar
SpudFarm
Donating Member
Donating Member
 
Posts: 2563
Joined: Sat Nov 04, 2006 9:39 am
Location: Norway Trondheim area
Reputation: 0

Return to Pneumatic Cannon Discussion

Who is online

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

Reputation System ©'