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...

Last post

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

893748 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

434661 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

366809 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

612134 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

326104 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

77462 Views

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

Topics

QEV Help

Last post by Velocity
Replies: 9
by ShowNoMercy » Wed Dec 19, 2007 10:21 pm

First post

This is most likely a dumb question, but the QEV I got has two pilot ports so I figured I would use one to pilot it and the other to plumb my air...

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QEV's are very good valves, and therefore can be very loud. With a 36 barrel, it will probably be pretty loud unless you make a small chamber (C:B...

9 Replies

1817 Views

Last post by Velocity
Thu Dec 20, 2007 1:34 am
coaxial piston cannon, pump include! piston dont work! help

Last post by clide
Replies: 22
by jean » Fri Dec 14, 2007 8:34 am
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hello

sorry for my bad english
i use search but i dont understand all the topics..

yestrerday i build my first cannon all is clean and seal is...

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now i search all of your posts..... all what your make are amazing :shock: really cool stuff
i see on the pic you will use a Bayonet mount! good idea...
22 Replies

7393 Views

Last post by clide
Wed Dec 19, 2007 10:21 pm
Airsoft/paintball grenade

Last post by qbnbountyhunter
Replies: 25
by Acdcmonkey1991 » Tue Dec 18, 2007 9:48 pm
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Not as much of a cannon as it is a grenade. I cant remember how long ago it was when I think PVC arsenal 17 brought about the pneumatic mine, and now...

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*off topic*
I know, plus security here is outragous! This is the most unamerican state! There isnt a public place without a metal detector or armed...
25 Replies

6532 Views

Last post by qbnbountyhunter
Wed Dec 19, 2007 8:21 pm
1" QEV?

Last post by ShowNoMercy
Replies: 33
by ShowNoMercy » Sun Dec 09, 2007 11:18 pm
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I have been looking on the internet for a larger sized QEV and so far have yet to find any. Where do you guys normally get them? I looked on ebay but...

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My last question, I promise at least for a while :wink:, is this. I am gonna have a 24 x 1.5 inch chamber into the QEV and then from the valve it...
33 Replies

6088 Views

Last post by ShowNoMercy
Wed Dec 19, 2007 7:50 pm
Sprinkler Valve in the winter?

Last post by Zippster
Replies: 9
by AlbinoSpud » Mon Dec 17, 2007 3:13 pm

First post

Will Sprinkler Valves explode if I use it in the snow?

Last post

I live in Austin and it doesn't get that cold compared to where you guys probably live. I'm planning on bringing 3 simple ball-valve cannons to a...

9 Replies

2142 Views

Last post by Zippster
Wed Dec 19, 2007 7:12 pm
painful video

Last post by Ragnarok
Replies: 28
by Solar » Sun Dec 16, 2007 11:10 am
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Above is the projectile. Video shows 23 gram rocket launched from 150 feet at 600 fps.

Last post

I don't believe this forum has a policy on shooting at zombies
I also have a mate who has a valid death certificate (which is a few years old now)....
28 Replies

8051 Views

Last post by Ragnarok
Tue Dec 18, 2007 7:18 am
Metal Piston pics

Last post by Twitcheth
Replies: 13
by Solar » Sun Dec 16, 2007 11:06 am

First post

The valve threads into the volume chamber at base. The air is discharged omni directionally above and routed with a manifold that slips over valve...

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First I worship the guy coz of his product spud gun. Now I worship him for a metal piston. Thanx Solar :lol:

13 Replies

4323 Views

Last post by Twitcheth
Tue Dec 18, 2007 6:59 am
Epoxy Chamber?

Last post by jackssmirkingrevenge
Replies: 17
by AlbinoSpud » Sun Dec 16, 2007 11:59 am
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Hi I'm really new, just joined like 5 minutes ago, and I was wondering since epoxy can stand up to like 1500 psi, do you think it will make a good...

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Don't forget, JSR does make large parts of chambers from epoxy, but he has a lot of experience in the matter. However, I don't think even JSR would...
17 Replies

6195 Views

Last post by jackssmirkingrevenge
Tue Dec 18, 2007 4:41 am
Barrel length

Last post by TheTrooper
Replies: 8
by TheTrooper » Mon Dec 17, 2007 8:27 pm

First post

Today i am going to my hardware store to buy ten feet of 3/4 pvc pipe. I am wondering how much of that can i use to make a barrel for a pneumatic...

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Ill just cut the biggest size that wont bend and would be fully self supportive

8 Replies

1963 Views

Last post by TheTrooper
Mon Dec 17, 2007 10:37 pm
M1 Garand style rifle UPDATE with damage videos

Last post by qbnbountyhunter
Replies: 24
by qbnbountyhunter » Sun Dec 16, 2007 6:15 pm
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This is my first :
-pneumatic with a functioning breech
-time working with Bondo
-pneumatic that i have spent over a month working on (Bondo)

so...

Last post

thank you, the bondo is alot better than paper mache :D , but it is a bitch to sand down, thanks for like it!

Video soon!!
24 Replies

6827 Views

Last post by qbnbountyhunter
Mon Dec 17, 2007 8:30 pm
Overpowered and Bulky

Last post by ShowNoMercy
Replies: 12
by ShowNoMercy » Wed Dec 12, 2007 10:48 pm

First post

This is one of my cannons, rather a disappointment. It has dual sprinkler valves, modded and with way to much pilot volume. The barrel is roughly 5...

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I have a job and most of the time nothing to spend my money on so I buy a lot of stuff when I go lowes or Home Depot. My mom loves it :wink:

12 Replies

3194 Views

Last post by ShowNoMercy
Mon Dec 17, 2007 12:04 pm
How do i weld PVC to metal

Last post by sjog
Replies: 25
by Hangover » Sat Dec 15, 2007 1:25 pm
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This might be a stupid question, but here it goes:
After looking at a lot of spudgun videos on YouTube, I thought I'd make my own one. But while...

Last post

Flush Bushing is what's needed These are both flush bushings, different applications
25 Replies

5001 Views

Last post by sjog
Sun Dec 16, 2007 5:33 pm
Toro Sprinkler Problems

Last post by bluerussetboy
Replies: 5
by VH_man » Sun Dec 16, 2007 9:03 am

First post

Well, i went to pump up my old cannon yesterday and my toro sprinkler valve has an odd leak out the sealing face. it worked completely fine the day...

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the cleaning it profusely probably isn't helping. just like over cleaning a windshield wiper, it will now longer push water off your windshield.
it...

5 Replies

1270 Views

Last post by bluerussetboy
Sun Dec 16, 2007 4:25 pm
Questions about a small pump-up gun

Last post by Hubb
Replies: 11
by Gusher » Sat Dec 15, 2007 3:04 pm

First post

Please go easy on me here. I have made a couple of air cannons in the past and used them at several indoor football games shooting tee shirts. The...

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If I use a 20oz. CO2 bottle how many shots should you get?

Use this.

11 Replies

2123 Views

Last post by Hubb
Sat Dec 15, 2007 5:16 pm
Piston finally almost finished!!!

Last post by MrCrowley
Replies: 6
by pat123 » Sat Dec 15, 2007 10:10 am

First post

I have posted a few things on this piston and i've been working on it for months. I still have a few questions.
Is there to mush volume behind the...

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The ball valve is the correct size, the bigger the better it wont hurt performance, just boost it. Though you would probably get to a stage where it...

6 Replies

1649 Views

Last post by MrCrowley
Sat Dec 15, 2007 4:12 pm
my first air patio cannon

Last post by nivekatoz
Replies: 15
by natwo » Mon Dec 10, 2007 7:39 am
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This is an all steel cannon which will take around 200psi
It has a 120volt solenoid valve
a bolt action for easy load
I will get a couple video's of...

Last post

THAT THING IS AWESOME!!!!!! What kind of valve do you use??? Thats the kind of gun I think is the best kind to make ....(not PVC) Don't get me wrong...
15 Replies

4690 Views

Last post by nivekatoz
Sat Dec 15, 2007 3:06 pm
Cannon #1 Mc-200

Last post by nivekatoz
Replies: 8
by Dr meat201 » Fri Dec 14, 2007 10:17 pm

First post

I am new to Spudfiles, and this is the first cannon i have ever made. It is powered by a Schrader valve (attached to my bike pump). The valve is just...

Last post

You should drill and tap the hole and use a screw in shrader valve....

8 Replies

3055 Views

Last post by nivekatoz
Sat Dec 15, 2007 2:54 pm
My mini coax. piston gun plans, will it work?

Last post by jackssmirkingrevenge
Replies: 10
by Tsukiten » Sat Dec 15, 2007 9:01 am

First post

Hey guys..
I've brainstormed for ages to think of good designs for pneumatic guns, and thanks to some inspiration from here I have plenty now... Lets...

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If that still isn't good enough what would be the 'minimum' pilot volume?

The simple fact is that if more air leaks around you piston than can...

10 Replies

4380 Views

Last post by jackssmirkingrevenge
Sat Dec 15, 2007 11:24 am
Bolt Action Paintball Gun

Last post by ALIHISGREAT
Replies: 2
by ShowNoMercy » Fri Dec 14, 2007 6:41 pm

First post

This is a gun I am actually taking the time to get it working nicely and while doing so keep it appealing to the eye. As of now the bolt needs some...

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where do you think you should mount the trigger? i will give you a hint... the best place is probably where the trigger sits on a real rifle :wink:...

2 Replies

2115 Views

Last post by ALIHISGREAT
Sat Dec 15, 2007 4:40 am
Max psi of metal

Last post by SpudBlaster15
Replies: 29
by bigbob12345 » Tue Dec 11, 2007 9:55 pm
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I have I gun made completely from Sch40 steel and I want to know how high up there I can take it safely.In other words how much psi can sch40 steel...

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Lorem ipsum dolor sit amet, consectetur adipiscing elit. Cras nec placerat erat. Vivamus dapibus egestas nunc, at eleifend neque. Suspendisse...
29 Replies

8976 Views

Last post by SpudBlaster15
Sat Dec 15, 2007 12:39 am
Piston sliding room

Last post by MrCrowley
Replies: 3
by pat123 » Fri Dec 14, 2007 4:56 pm

First post

I have been working on a piston for about a month now. I am almost finished all I need to know is how much room does the piston need to slide back,...

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Depends on the I.D of the barrel.

In a co-axial the piston should slide back 1/4 of the barrels diameter.

In a barrel sealer I would say the...

3 Replies

992 Views

Last post by MrCrowley
Fri Dec 14, 2007 5:08 pm
bolt action marble gun

Last post by Lftndbt
Replies: 12
by rhys_pesantsrevolt » Thu Dec 13, 2007 2:21 am

First post

ok so I am getting the parts for this gun in 4 days and the gun should be done on that day

my design basicaly i have a ball valve to fill the...

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LoL!!
Come see me at Bunnings, and i'll give you a hand!! ;)

~Edit~ That is sooo weird....

12 Replies

3900 Views

Last post by Lftndbt
Fri Dec 14, 2007 7:46 am
Chamber Barrel ratio (Pneumatic)

Last post by JDP12
Replies: 20
by carl2.0 » Wed Dec 12, 2007 6:13 pm
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Hey guys

I just want to know what is the chamber barrel ratio for pneumatics. I heard that combustions have a diff ratio

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yea go with GGDT, easy, simple, and saves a lot of time and trouble.

also, i forget who said it, but pneumatics are entirely dependent on valve...
20 Replies

8252 Views

Last post by JDP12
Thu Dec 13, 2007 6:31 pm
Toro sprinkler Valve modification ???

Last post by VH_man
Replies: 17
by carl2.0 » Wed Dec 12, 2007 8:01 pm
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I FINALLY got my sprinkler valve thats cost me nearly $50 US wtf but anyway its a toro 3/4 male thread valve. I was wondering if i could just mount...

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I'm not sure why the valve is more powerful, but compared to my water master valve this valve gives a nice BANG while the water master goes...
17 Replies

4130 Views

Last post by VH_man
Thu Dec 13, 2007 11:00 am
3/4" Valve Preformance

Last post by mega_swordman
Replies: 10
by mega_swordman » Thu Dec 06, 2007 10:33 am

First post

With the end of the school semester and my return to the states looming over my head, I decided it would be best to start planning what my next...

Last post

The barrel will be 1 1/2 and the sprinkler valve ( and corresponding parts around it) will be 1 .

Thanks a lot, I get it now.

10 Replies

2947 Views

Last post by mega_swordman
Thu Dec 13, 2007 4:15 am

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