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

914753 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

448245 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...

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great job everyone
64 Replies

419740 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

625707 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

330301 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

79380 Views

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

Topics

*Updated* 4" Piston Valve now mounted to FEAR

Last post by mattyzip77
Replies: 28
by Killjoy » Thu Mar 17, 2011 7:51 pm
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This is my final project for a class at Stanford, which is why I haven't posted on spudfiles in a while.
The video is of a 75PSI test with...

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now that is some serious mutha f*#%ing fire power!! I like it!! 8)
28 Replies

13092 Views

Last post by mattyzip77
Fri Sep 09, 2011 4:09 pm
Good shock pumps to buy?

Last post by Fnord
Replies: 24
by U1timateWaff1e » Thu Aug 25, 2011 11:23 pm
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I'm planning on buying a shock pump for my new QEV/Slide valve combo.
Hopefully I can find one with a long draw.
Does anybody have any...

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Last I checked walmart has zefal-air track pumps for $20. They're not bad quality for the price though I think I'm going to replace the grip on mine...
24 Replies

11344 Views

Last post by Fnord
Thu Sep 08, 2011 6:39 pm
Mach 1 from a pneumatic? (search is not my friend)

Last post by jackssmirkingrevenge
Replies: 13
by Temple » Wed Sep 07, 2011 12:00 pm

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Is it possible to achieve mach+ from a pneumatic? If so what is the min chamber size and min barrel length/dia?

Thanks for any help or leads.

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By sandwiching some frangible material in a PVC union you can easily make a burst disk valve, which is about as fast a valve as it gets.

Using...

13 Replies

4183 Views

Last post by jackssmirkingrevenge
Thu Sep 08, 2011 8:07 am
ASCO Nerf Launcher

Last post by mattyzip77
Replies: 21
by dewey-1 » Wed Mar 25, 2009 2:23 pm
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Here is a rendering of my version of a Nerf Pocket Vortex Launcher.
An old version of Autocad was used for both drawing and rendering.

It uses:
(a)...

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I just got one of those same valves from someone on here. It is monsterous to say the least! Cant wait to make a cannon out of it!!
21 Replies

9490 Views

Last post by mattyzip77
Tue Sep 06, 2011 7:04 pm
My first piston

Last post by jsefcik
Replies: 16
by jsefcik » Sun Sep 04, 2011 12:24 am
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I just made a piston, which i have never attempted before, have one but didnt build it myself, therefore i thought i would give it a go,

just basic...

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ummmmm, and you need those for............................................

i told you on the phone

im just gonna put a lil bit of epoxy on the...
16 Replies

3622 Views

Last post by jsefcik
Mon Sep 05, 2011 8:33 pm
Bolt action shell ejecting WIP

Last post by Goats spudz
Replies: 3
by Goats spudz » Sun Sep 04, 2011 6:07 pm

First post

I have nearly finished it i will upload pics later and its my first ever cannon!
it is a QEV system with a co2 tank now for compressed air, and is...

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ill upload them when i have time im busy atm.

3 Replies

2488 Views

Last post by Goats spudz
Mon Sep 05, 2011 11:08 am
QEV air rifle + CO2

Last post by Cosmic Muffin
Replies: 21
by destronx » Wed Aug 17, 2011 7:12 pm
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Recently been working on this airgun but when assembling all the parts I found that had an error the air went out from the barrel making kind of a...

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edit * post content rendered invalid
21 Replies

9906 Views

Last post by Cosmic Muffin
Mon Sep 05, 2011 8:47 am
The best type of material to use as a piston?

Last post by Technician1002
Replies: 22
by mattyzip77 » Sat Aug 27, 2011 10:43 am
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Just what the title says! What is the best thing you have used for a piston? Pictures help. I have made this topic to help myself and other new...

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Use glossy enamel paint to seal the wood pores and leave a smooth finish on the grooves.
22 Replies

6242 Views

Last post by Technician1002
Mon Sep 05, 2011 3:19 am
Places to find piston pump heads?

Last post by Fnord
Replies: 9
by U1timateWaff1e » Sat Sep 03, 2011 5:52 pm

First post

I've seen threads about people making homemade high pressure pumps and I want to make one as well. The only problem that I'm having is that I have no...

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I clicked search , typed in Home made pump , searching for ALL terms in the how-to section. This gave me a handful of topics and this is a useful...

9 Replies

2443 Views

Last post by Fnord
Sun Sep 04, 2011 12:52 pm
Help in modifying brass 2" sprinkler valve

Last post by LCTChamp
Replies: 6
by Atattack » Thu Sep 01, 2011 3:26 pm

First post

Has anyone had any experience in modifying a brass sprinkler valve. Here is a link to the store.

Here is a diagram of the parts.

I am...

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As mentioned above a QEV would be better and more cost effective than a metal sprinkler.

But if you really want an inline valve...I happen to have a...

6 Replies

2704 Views

Last post by LCTChamp
Sun Sep 04, 2011 7:57 am
Semi Automatic Golf Ball Cannon

Last post by mattyzip77
Replies: 56
by CannonCreations » Fri Sep 02, 2011 9:42 am
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This is the first time for me posting on the site, and I would like to show people my Creation, the semi automatic golfball cannon. please let me...

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Thats what the xtra rubber washers are for, its a home made check valve:D
56 Replies

17977 Views

Last post by mattyzip77
Sat Sep 03, 2011 10:35 pm
Mauler

Last post by jrrdw
Replies: 7
by mattyzip77 » Fri Sep 02, 2011 5:58 pm

First post

Are there any pictures on here of the insides of a mauler or what the piston is made of? I have done search after search and have come up empty...

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Out of respect for a fellow friend, spudder and moderator, if sgort87 wants to release that info it's up to him. You can ask him via PM.

Edit: If...

7 Replies

1765 Views

Last post by jrrdw
Sat Sep 03, 2011 11:54 am
The navy use Spudguns

Last post by Technician1002
Replies: 10
by Goats spudz » Fri Sep 02, 2011 10:46 pm

10 Replies

4397 Views

Last post by Technician1002
Sat Sep 03, 2011 10:43 am
New to pistons

Last post by mattyzip77
Replies: 31
by Mooglebass » Tue Aug 30, 2011 5:22 pm
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Ok so before I have made a combustion, and a pneumatic with a sprinkler valve. So i looked into pistons, and followed MRR video. I made it out of a 1...

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Ya, damn g f, he did a great job on those plans, look awesome!!
31 Replies

5857 Views

Last post by mattyzip77
Sat Sep 03, 2011 9:05 am
Piston design critique....

Last post by jackssmirkingrevenge
Replies: 10
by sco77 » Thu Sep 01, 2011 5:12 pm

First post

I made this piston for my 1/8 coaxial gun with 12(10) of 1/2 chamber, 1/8 30 rod for barrel.

I didn't take a picture of the finished product but...

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I shot small screws and metal caps at 500PSI and went through some pretty thick metal (about 2x thickness of canned goods), and smashed or bent...

10 Replies

3757 Views

Last post by jackssmirkingrevenge
Sat Sep 03, 2011 12:42 am
advice on paint grenade launcher?

Last post by jimmy101
Replies: 9
by conkfa47 » Sat Aug 27, 2011 11:20 pm

First post

First off, I just wanted to say hello everybody! im new to these forums and building spud guns in general, so im looking forward to learning a thing...

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For a CO2 source some kind of pressure reg is pretty much a requirement.

Given the diameter of the barrel and the fairly low target muzzle velocity...

9 Replies

4044 Views

Last post by jimmy101
Thu Sep 01, 2011 3:58 pm
1-1/2" Solenoid Mod ?

Last post by Technician1002
Replies: 42
by Atattack » Mon Aug 29, 2011 1:14 pm
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I am trying to plan out my next gun which will have a 3 barrel and also 3 Chamber. I found this solenoid valve and am trying to figure out if I can...

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Tech baiting worked :D

You are right. It worked. JSR, feel free to try a 9V battery first. I won't stop you. :D
42 Replies

10074 Views

Last post by Technician1002
Thu Sep 01, 2011 12:44 pm
How do i make this semi auto?

Last post by Goats spudz
Replies: 15
by Goats spudz » Tue Aug 30, 2011 2:20 am
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3895 Views

Last post by Goats spudz
Tue Aug 30, 2011 9:25 am
Coaxil Piston Gun Questions/Suggestions

Last post by jackssmirkingrevenge
Replies: 22
by LCTChamp » Tue Aug 16, 2011 9:53 am
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After building pretty much every type of gun besides a hybrid or a piston (I never get around to posting my guns lol), I think its time for me to try...

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Ahh :oops: What should I use as a barrel support?

It could be as simple as three screws at 120º in the breech end, adjusted so they protrude enough...
22 Replies

11870 Views

Last post by jackssmirkingrevenge
Tue Aug 30, 2011 6:27 am
will this hurt my piston ?

Last post by jsefcik
Replies: 27
by jsefcik » Sun Aug 28, 2011 2:23 am
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I have recently built a piston cannon, shoots golf balls very well, but wanted to upgrade to a tennis ball barrel but not shooting tennis balls but...

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May I recommend to a MOD that we give jsefcik his very own forum???

hahahahah
27 Replies

5195 Views

Last post by jsefcik
Mon Aug 29, 2011 4:42 pm
Deleted post

Last post by jackssmirkingrevenge
Replies: 10
by jmez1996 » Sun Aug 28, 2011 12:13 am

First post

Deleted post

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Probably not that significant in terms of the accuracy of the launcher and the range you're shooting at, but you're better off with a small notch as...

10 Replies

6549 Views

Last post by jackssmirkingrevenge
Mon Aug 29, 2011 5:35 am
My first piston cannon

Last post by jsefcik
Replies: 3
by jsefcik » Sun Aug 28, 2011 2:01 pm

First post

This is my first piston cannon,I always wanted to have one but didnt have the knowledge to build one, so i seeked help from fellow members,
The...

Last post

Nice cannon...
How much psi are you using?
Any damage pics?

I dont really have any set psi levels, but for golf balls around 60-100
No damage pics...

3 Replies

1810 Views

Last post by jsefcik
Mon Aug 29, 2011 12:10 am
Design on a Coaxial Piston Cannon

Last post by jackssmirkingrevenge
Replies: 58
by Atattack » Thu Aug 25, 2011 6:30 pm
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Wanted to get some experienced spudders thoughts on my design. After posting some questions on here I have a pretty good idea of how my cannon will...

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Looking forward to seeing it :)

In my experience an ordinary schrader valve is good for at least 850 psi.
58 Replies

12443 Views

Last post by jackssmirkingrevenge
Sat Aug 27, 2011 12:47 am
Copperhead Prime

Last post by Egoyte
Replies: 128
by Hotwired » Tue Jan 30, 2007 5:49 pm
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Back in September I won a competition on the UKSGC forums. The prize was free parts for the best cannon design budgeted to be built for £100 or...

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Now that's just a work of art, man... Kudos.
128 Replies

78928 Views

Last post by Egoyte
Fri Aug 26, 2011 10:01 pm
Ultimate bolt action super ball gun

Last post by Egoyte
Replies: 15
by pneumaticcannons » Sat Jul 23, 2011 1:14 am
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This is my second big air cannon project. I wanted to make a bolt system and in addition to that have changable barrels. I ended up with a finished...

Last post

Beautiful, man. The frozen potato slug was indeed surprisingly effective.
15 Replies

8125 Views

Last post by Egoyte
Fri Aug 26, 2011 9:16 pm

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