Pneumatic Cannons

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SpudFiles Potato Gun Commercial

Last post by quinn whitsitt
Posted in Combustion Cannons
Replies: 15
by PCGUY » Tue Oct 29, 2013 10:54 pm » in Combustion Cannons
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I've been wanting to get in some spud shooting action this fall before the weather got cold. I know it's been a while since I filmed anything for...

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thank you for creating this website is there anything i can do to help
15 Replies

917154 Views

Last post by quinn whitsitt
Fri Feb 09, 2024 2:38 pm
Directional Control Valves (3way valves and stuff like that)

Last post by jpalf1
Replies: 86
by POLAND_SPUD » Sun Mar 07, 2010 1:12 am
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Directional Control Valves, commonly refereed to as 3,4,5 etc. valves or spool/poppet valves etc., can be very useful for spuders.
They can be used...

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very,useful info for a beginner such as myself.The links are great as well.Thankyou.(you won't believe this but as i was reading,my fridge comp...
86 Replies

449110 Views

Last post by jpalf1
Sat Apr 13, 2013 10:53 am
Sprinkler Valve Troubleshooting Guide

Last post by quinn whitsitt
Replies: 64
by noname » Sat Jun 16, 2007 12:15 am
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Sprinkler Valve Troubleshooting

This is a guide to sprinkler valve problems. Before creating a new topic to ask questions on why your valve isn't...

Last post

great job everyone
64 Replies

422500 Views

Last post by quinn whitsitt
Thu Feb 22, 2024 2:18 pm
Piston Valves Explained Visually

Last post by pavina
Replies: 178
by clide » Mon May 14, 2007 11:21 pm
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I had this posted on Spudtech, but I am reposting it here to hopefully help some people out and allow for discussions/updates.

Well I made this...

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Thanks for sharing this! It might also be useful to mention how friction and maintenance can affect performance over time. Looking forward to more...
178 Replies

626995 Views

Last post by pavina
Fri Sep 27, 2024 4:05 am
"How Much CO2 do I need?"

Last post by choke
Replies: 32
by BC Pneumatics » Sun Apr 01, 2007 9:52 pm
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For all those people out there looking for a rough idea of how much CO2 they will need for a chamber of any given size-
Just multiply the volume of...

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Great piece of software :) I've been kicking numbers round my head for a while now, and wondered if someone here could confirm. I'm filling a 1.5 dia...
32 Replies

330692 Views

Last post by choke
Thu Jul 04, 2013 2:38 pm
Valve Cutaways

Last post by jhalek90
Replies: 8
by PCGUY » Sat Feb 26, 2005 9:10 pm

First post

VALVE CUTAWAY

Provided By - Longshot

These are some pictures of some of the most popular valves used on spud cannons. Only difference is, these...

Last post

Can someone fix the picture links??

8 Replies

79533 Views

Last post by jhalek90
Wed Oct 07, 2009 2:13 pm

Topics

i wanna do a new gun

Last post by bluemouse
Replies: 11
by bluemouse » Tue Mar 08, 2011 12:19 pm

First post

hey guys,
i wrote this yesterday amd well i think it got lost in the internet because i dont seem to find it .. so here ill go at it again

anyway i...

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i saw those animatios on how they work...
but can you give me SUGESTIONS ...its like the fifth time i asked for them haha

and well in mater for...

11 Replies

2656 Views

Last post by bluemouse
Fri Mar 11, 2011 9:32 am
.50 cal Bullpup selective fire rifle

Last post by Brian the brain
Replies: 36
by irisher » Wed Feb 09, 2011 4:17 pm
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I'm snowed in and bored out of my mind so I thought I may as well post my new project.

Caliber: .50 cal (type K copper)
Ammo: lead musket-ball with...

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Brian did the same thing a while back with the intent of achieving full automatic firing.

But not this beautiful!

Makes me wanne go out and...
36 Replies

14788 Views

Last post by Brian the brain
Thu Mar 10, 2011 3:34 pm
6 mm piston valve plinker

Last post by mark.f
Replies: 16
by Labtecpower » Tue Mar 08, 2011 3:16 pm
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This is a gun I made a few days ago, together with a friend. A second one is being constructed in a while. (you can see the basic system lying in the...

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I wouldn't say it was an absolute either. Most of the times when I built pistons without o-rings I just wrapped the pistons in tape until they fit...
16 Replies

7770 Views

Last post by mark.f
Thu Mar 10, 2011 7:23 am
Coin challenge reopen

Last post by ilovefire
Replies: 24
by SpudFarm » Thu Feb 24, 2011 7:54 pm
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Hello again, I just got a new camera and decided to test it's video function out on a cannon shot (OFC) just to see how it captures sound and the...

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just put my cane gun back together yesterday so i thought i would see what it could do, coin is 1.5mm copper and nail was 2.5mm wide, did kinda cheat...
24 Replies

6893 Views

Last post by ilovefire
Tue Mar 08, 2011 11:58 pm
regulator

Last post by Technician1002
Replies: 14
by Major Collins » Wed Mar 02, 2011 8:34 am

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so if you where to have a single barrel piston shooter ,could you make a regulator and put it inside your air chamber and make a semi auto?

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Not all regulators vent. Only ones regulating safe gas such as air are designed to vent. Gas regulators for welding do not vent and when they go bad...

14 Replies

4317 Views

Last post by Technician1002
Tue Mar 08, 2011 9:33 pm
wood stock coax rifle pilot valve

Last post by Gaderelguitarist
Replies: 7
by turner » Mon Mar 07, 2011 9:29 pm

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so im building a 7/8od coax to fit a rifle stock i have, does anyone have any suggestions for the pilot? the slot for the trigger is 17mm wide.i was...

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Have a look here .

I'm not positive that it would fit your space requirements, as the website only lists the length of it, but I'm erring on the...

7 Replies

2287 Views

Last post by Gaderelguitarist
Tue Mar 08, 2011 10:38 am
ARchangel

Last post by Lockednloaded
Replies: 30
by PVC Arsenal 17 » Sun Feb 20, 2011 10:55 pm
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Electro Pneumatic Revolver (EPR) proof of concept.

More pics and vids tomorrow... I'm exhausted.

-Mark

Last post

By no means was I trying to insult you, but I was just giving an opinion that responded to your statement.
30 Replies

9598 Views

Last post by Lockednloaded
Mon Mar 07, 2011 11:53 pm
Remote Controlled Airsoft "Mine"

Last post by clemsonguy1125
Replies: 10
by potatoflinger » Sun Mar 06, 2011 4:38 pm

First post

This is a project that I completed a few months ago, I just never got around to posting it. This is really just a trial version, so there are many...

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Is the the one you were talking about.

10 Replies

4088 Views

Last post by clemsonguy1125
Mon Mar 07, 2011 6:16 pm
HellHound-Question

Last post by Jimmy K
Replies: 10
by nadjatee1996 » Fri Feb 25, 2011 5:32 pm

First post

Well, I decided to name my creation HellHound, but heres the question, whats the best way to cut 0.04 aluminum? I can keep cutting it with a blade,...

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Yup. Whether it be 6 feet, 6 inches, 6 miles or 6 mm, the pressure rating is the same.

10 Replies

4115 Views

Last post by Jimmy K
Mon Mar 07, 2011 4:57 pm
Max preassure on "quick connect fittings" and more

Last post by Tobin
Replies: 11
by Tobin » Sun Mar 06, 2011 1:24 pm

First post

Im not very familiar with english so i dont know the name of these parts in english, so i would like to know whats they are called in english......

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Thanks guys :wave:

11 Replies

4062 Views

Last post by Tobin
Mon Mar 07, 2011 1:42 pm
something constructive for once

Last post by urgle the danish cow
Replies: 2
by urgle the danish cow » Sun Mar 06, 2011 1:58 pm

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for those who remember about august i was asking for any ideas for confetti cannons for my nephews show choir well i made them when i was visiting...

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Oh dear... it makes me wish you had loaded them with buckshot instead :? but seriously, nicely done, you achieved a good spread :D
when i tested...

2 Replies

1250 Views

Last post by urgle the danish cow
Sun Mar 06, 2011 2:05 pm
PVC Tee QDV build

Last post by Gun Freak
Replies: 23
by aEx155 » Thu Mar 03, 2011 2:00 am
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I'm working on a QDV valve that is housed in a 1 1/4 tee, with 1 ports for the barrel and chamber. Eventually this will be in my friends birthday...

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I will leave this thread here for anyone who wants to ask questions and link it to the new thread once I make it.
You cannot do either of those...
23 Replies

6656 Views

Last post by Gun Freak
Sun Mar 06, 2011 12:21 pm
HellHound build log

Last post by nadjatee1996
Replies: 3
by nadjatee1996 » Sat Mar 05, 2011 9:56 pm

First post

Ladies and gentlemen, I present to you..the HellHound build log...

Top Frame/Magazine[][]
Middle Frame/Barrel[][]
Bottom Frame/Air tank []
Valve...

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Yea, I screwed up on the top seal so I had to re-epoxy, as you can see the bulge. I also had to cut out the 2 middle sections from larger pieces of...

3 Replies

1453 Views

Last post by nadjatee1996
Sun Mar 06, 2011 1:34 am
Detent BB Gun V2

Last post by Gun Freak
Replies: 32
by Gun Freak » Sun Jan 16, 2011 4:30 pm
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OK this is the third time I had to type this so I'm really pissed off :lol:
So not much really, just a tentative design to test the concept before I...

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That's exactly how I planned to make an epoxy based version except mine didnt have the hopper because that wouldn't fit in my outer shell.

Er... so...
32 Replies

8652 Views

Last post by Gun Freak
Sat Mar 05, 2011 3:01 pm
DFTV Implementation

Last post by Gun Freak
Replies: 7
by mark.f » Fri Mar 04, 2011 5:31 pm

First post

If you don't know what DFTV stands for, check here .

It's been since 2006 since the above page was modified, and still longer since the valve was...

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It's a good solution if you have a tiny pilot valve but otherwise it isn't really needed. It is cool though.

7 Replies

1778 Views

Last post by Gun Freak
Fri Mar 04, 2011 9:52 pm
new idea reload mech

Last post by POLAND_SPUD
Replies: 2
by Crna Legija » Fri Mar 04, 2011 9:40 am

First post

just thinking out loud, what do you think about it. will it work?

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it is just a blow forward bolt
not that I am saying it is a bad thing...

2 Replies

1109 Views

Last post by POLAND_SPUD
Fri Mar 04, 2011 11:48 am
Epoxy resin pistons

Last post by qwert123
Replies: 5
by qwert123 » Sun Feb 27, 2011 2:46 pm

First post

I have been told that epoxy resin will make a better piston than hot glue. When I make the piston, how should I prevent it from sticking to the mold?...

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Wow thanks! Just got a great piston from fiberglass resin.

5 Replies

1990 Views

Last post by qwert123
Thu Mar 03, 2011 9:31 pm
QDV Orings Mcmaster

Last post by dewey-1
Replies: 34
by clemsonguy1125 » Sat Feb 26, 2011 8:57 pm
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Ive been planning a 2 inch QDV using a 2 inch tee. The housing will also be 2 inch with a single rectangular port. The piston will be made from a...

Last post

That what I was missing, air leaking around the piston thanks.

See this link for similar drawings and preliminary ideas for a similar concept to...
34 Replies

7326 Views

Last post by dewey-1
Thu Mar 03, 2011 8:06 am
18th century air rifle

Last post by Gun Freak
Replies: 12
by metalmeltr » Sun Feb 20, 2011 11:16 pm

First post

This is amazing, and more complex than many guns posted here daily!
I am likeing that loading mechanisim and something similar may find it's way into...

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If you want to look at technical ability through the ages, look at clocks and watches ;)

Good point :roll:

12 Replies

13403 Views

Last post by Gun Freak
Wed Mar 02, 2011 8:02 pm
air chamber dilemma

Last post by POLAND_SPUD
Replies: 7
by Major Collins » Wed Mar 02, 2011 4:40 am

First post

ok well i have two air chambers to choose from
the first being a 20mm copper pipe about 70mm long
the second stainless steel also 20 mm but about...

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I'll preempt POLAND_SPUD and suggest a DCV as a feed/pilot valve
POLAND_SPUD agrees with your statement

7 Replies

1671 Views

Last post by POLAND_SPUD
Wed Mar 02, 2011 9:16 am
300-600psi piston valved pneumatic.

Last post by jackssmirkingrevenge
Replies: 12
by SpudFarm » Sun Feb 27, 2011 3:21 pm

First post

This is a gun I have had for quite some time but I haven't posted it yet.

Enough small talk;
Barrel: 90cm of 5mm ID brass tube for pellets and small...

Last post

I don't know why but sometimes things you write give no sense whatsoever but I still recognize the situation :?

Some less vague advice , some of...

12 Replies

5362 Views

Last post by jackssmirkingrevenge
Wed Mar 02, 2011 2:45 am
Manual Piston Equalization Safety Benefit

Last post by Gun Freak
Replies: 7
by mark.f » Tue Mar 01, 2011 11:34 am

First post

Just a thought to throw out there.

I've only seen it done a handful of times, but, with a completely sealed piston, equalization can be accomplished...

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You don't need to fill from two points for a 100% sealing piston. This is how I did it.
He never said that... :lol: The first picture he posted was...

7 Replies

2646 Views

Last post by Gun Freak
Tue Mar 01, 2011 6:38 pm
good idea?

Last post by Zeus
Replies: 6
by jfiske » Sun Feb 27, 2011 2:02 pm

First post

hmm..

Last post

It could be a contender for the My launcher is so phallic it has it's own phallus award. (Insert JSR 1337 link skillz here)

I'd vote for it.

6 Replies

1946 Views

Last post by Zeus
Sun Feb 27, 2011 6:06 pm
High power good rate of fire valves.

Last post by Technician1002
Replies: 10
by EvilFish » Sat Feb 26, 2011 8:08 pm

First post

I have been thinking over the last few days about how I could create a high power pump-action pnuematic gun. Mostly I have been thinking about the...

Last post

When uploading images directly to Spudfiles, be sure to read the limitations on size. Most digital cameras over a mega pixel or so make files too...

10 Replies

3823 Views

Last post by Technician1002
Sun Feb 27, 2011 11:03 am
pistons

Last post by Crna Legija
Replies: 10
by qwert123 » Sat Feb 26, 2011 4:35 pm

First post

hello spud files, i have my hot glue piston hardening next to me on my desk, and i was wondering how big of a pilot if a pilot at all should i have...

Last post

my frst piston was made of hot glue and i never had a problem with it up to 200psi then the bolt holding my sealing face started to get riped out.

10 Replies

2714 Views

Last post by Crna Legija
Sun Feb 27, 2011 1:33 am

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