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

929505 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

453407 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

471689 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

639182 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

332698 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

80448 Views

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

Topics

Idea for semi-auto layout

Last post by Gun Freak
Replies: 40
by Gun Freak » Sun Jun 27, 2010 6:01 pm
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I've been musing about semi autos and got an idea for a new design that I had never seen done before. Instead of making all the dead space between...

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Ok I understand now but that would be an easy thing to avoud since I am making my cylinder.
40 Replies

10201 Views

Last post by Gun Freak
Tue Jun 29, 2010 11:36 pm
Best piston design for a semi auto valve

Last post by Technician1002
Replies: 11
by Gun Freak » Tue Jun 29, 2010 4:01 pm

First post

I am building a semi auto and I need to know what type of piston would be best. EQ hole, check valve, o-rings or what, it will be 3/4 with 1/2 in...

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Remember Techs said his sealed without orings so you may still need a EQ hole

Mine sealed when it had a small amount of grease on it. This...

11 Replies

1968 Views

Last post by Technician1002
Tue Jun 29, 2010 6:09 pm
Does this seem right?

Last post by Gun Freak
Replies: 7
by Gun Freak » Tue Jun 29, 2010 3:02 pm

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I am designing and airsoft gun and GGDT seems to be giving very good results, higher than I expected...

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Looks about right. Even though the chamber pressure is low, you're using a piston valve with VERY overkill flow, a 36 barrel, and lightweight...

7 Replies

1400 Views

Last post by Gun Freak
Tue Jun 29, 2010 4:00 pm
first pneumatic gun

Last post by nsane-spuds
Replies: 43
by nsane-spuds » Mon Jun 19, 2006 5:24 pm
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Hi im 14 and i am kind of new to all these spud guns, but i think i managed to make a quite cool pneumatic gun..
Hope you will like it. ;)

I used...

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Please dont bump old threads, btw I did make sevral piston valve guns. The only one I ever got around posting tho was this one:
Maybe one day I will...
43 Replies

19919 Views

Last post by nsane-spuds
Tue Jun 29, 2010 1:54 pm
6mm Duster gas gun

Last post by Gun Freak
Replies: 10
by blind909 » Mon Jun 28, 2010 7:36 pm

First post

Ok, so i am building a 6mm pneumatic that runs on Duster gas(with an airsoft duster gas adapter). I had a broken airsoft gas pistol that ran on...

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If you put the internals in that case, then the BV won't be able to open very far, unless you trim the handle a bit. Sounds good.

10 Replies

4011 Views

Last post by Gun Freak
Tue Jun 29, 2010 12:06 pm
Burst disk PVC Cannon

Last post by Gun Freak
Replies: 19
by Immur4323 » Mon Jun 28, 2010 3:11 pm
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This is my first post and my third air cannon. My friend and I made this for a history project while we were studying the civil war. Yes, our teacher...

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edit: you could put a bv before the blow gun.
The disk could still burst before you trigger it.....
19 Replies

7600 Views

Last post by Gun Freak
Tue Jun 29, 2010 11:43 am
Plague damage preview

Last post by Technician1002
Replies: 47
by c11man » Wed Jun 02, 2010 10:30 pm
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so Plague is operational but not painted and pretty so i havent posted it yet. also i havent had a chance to take it anywere so i am stuck shooting...

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Load it so the bottom of the can hits first. Part of the split can is due to the can getting a shot of compressed air inside the can on launch.

I...
47 Replies

11016 Views

Last post by Technician1002
Mon Jun 28, 2010 6:28 pm
3-WAY VALVES for charging/firing 2" piston cannons.

Last post by deathbyDWV
Replies: 4
by kiwi of nitro » Mon Jun 28, 2010 4:55 am

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Notice the Mauler cannon has a 3-way valve as the trigger, when you fire the cannon, the airflow from the compressor is temporarily cut off while the...

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I have the one from spudtech... It works just like the one on the mauler. The only difference is it's easier to actuate because it's a lever valve...

4 Replies

3458 Views

Last post by deathbyDWV
Mon Jun 28, 2010 2:04 pm
Which Pressure Reg Do I Need?

Last post by POLAND_SPUD
Replies: 8
by Tantum » Fri Jun 11, 2010 10:14 pm

First post

Hey, guys. I had some question about air pressure regulators.

I've spent a couple of hours today researching air regulators, but I still can't...

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well AFAIK there is no difference between the two types as far as price is concerned

anyway for your needs both a relieving and a non-relieving reg...

8 Replies

2722 Views

Last post by POLAND_SPUD
Mon Jun 28, 2010 1:48 am
Quick question (pipe rating/pressure)

Last post by inonickname
Replies: 6
by inonickname » Sun Jun 27, 2010 3:46 am

First post

Just looking for an opinion. I've ran it through a burst calculator and it should hold, but I've messed up with the calculator before and wanted to...

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Didn't even look at your pipe dimensions but I will say this... If you're going with unregulated CO2 you need to plan for much higher pressures than...

6 Replies

1561 Views

Last post by inonickname
Sun Jun 27, 2010 8:19 pm
Idea for semi-auto layout

Last post by Gun Freak

by Gun Freak » Sun Jun 27, 2010 6:00 pm

I've been musing about semi autos and got an idea for a new design that I had never seen done before. Instead of making all the dead space between...

0 Replies

2767 Views

Last post by Gun Freak
Sun Jun 27, 2010 6:00 pm
pneumatic burst disk

Last post by kydavies
Replies: 15
by kydavies » Fri Jun 25, 2010 12:55 pm
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i am using a 1 1/4 sch 80 union for my burst disk but it leaks like a sive. ive noticed that the burst disks (pieces of pop can and cardboard)...

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i dont have any specific target pressure i just want to cause damage with marbles and cardboard was an act of desperation
15 Replies

4084 Views

Last post by kydavies
Sun Jun 27, 2010 9:28 am
Pitbull 9, semi auto 9mm!,New pics/upgrades page 3

Last post by woodscout
Replies: 83
by django » Sun Jun 07, 2009 6:45 am
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Well at last guys after 3 long weeks of enduring work on my PITBULL 9 semi auto airgun I finally have pics up for you lot 8) , please be kind?,I know...

Last post

nice looking gun, i would call it bullpup
83 Replies

39483 Views

Last post by woodscout
Fri Jun 25, 2010 3:48 pm
Gas Sampling Cylinder Paintball Cannon (Blowback)

Last post by woodscout
Replies: 12
by Tetsuo315 » Sun Apr 11, 2010 1:49 pm

First post

Well gang,

It's been a long time since I posted a new cannon so here goes. This cannon was inspired by a number of different sniper and competition...

Last post

good looking gun + good power + good action = hell of a lot of fun :D this gives me thousands of ideas, i need to start drawing :)

very good work!...

12 Replies

9674 Views

Last post by woodscout
Fri Jun 25, 2010 3:30 pm
Help with shock pump

Last post by ramses
Replies: 8
by skishoot » Wed Jun 23, 2010 5:38 pm

First post

Does anyone know how to attach a shock pump to a gun is there a valve like a schrader valve you use or what?
The hose usually unscrews right? because...

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you are right not to trust it. If you use a large chamber, you will pump forever to get to pressure. Thus, fridge compressors :D

8 Replies

2035 Views

Last post by ramses
Fri Jun 25, 2010 12:54 pm
Another incident with the QDV

Last post by Ranger
Replies: 17
by Ranger » Thu Jun 24, 2010 1:59 pm
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I made another piston today with smaller O ring grooves so that it would seal better. It worked! It was filling up and it got to about 50 psi, then I...

Last post

Thats a tounge twister :P
17 Replies

5212 Views

Last post by Ranger
Fri Jun 25, 2010 12:46 am
blow gun trigger help

Last post by Hubb
Replies: 3
by fir3dp » Wed Jun 23, 2010 12:15 pm

First post

hey..

i have a blow gun which i wanna use as a pilot valve. but its a one way blow gun so it i attach it using the front. it leaks. anyway to mod...

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You can find instructions on how to modify a blowgun on hubb's The Sprinkler Valve pdf ...Which is stickied in the pneumatic cannon discussion forum...

3 Replies

2719 Views

Last post by Hubb
Thu Jun 24, 2010 10:55 pm
Aluminium piston?

Last post by jhalek90
Replies: 23
by saefroch » Fri Jun 11, 2010 10:16 am
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I am feeling pretty satisfied with , but the sheer size is becoming somewhat of an issue. So... I was thinking of making a half-size version of if...

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I made a piston out of HDPE is that the term?
High Density Poly Ethylene, or something like that.

It survived only about 25 shots in my 1'' steel...
23 Replies

6694 Views

Last post by jhalek90
Thu Jun 24, 2010 11:27 am
QDV problems

Last post by Technician1002
Replies: 4
by Ranger » Tue Jun 22, 2010 6:15 pm

First post

OK I made a QDV cannon, it has a 3 chamber and 1 1/2 SDR-21 golfball barrel. The piston has floating O rings and is 2 long, its made from a plastic...

Last post

I bought the rings to fit the pipe and then cut the piston to fit the rings. A little elbow grease sanding the inside of the pipe helps it seal.

4 Replies

1589 Views

Last post by Technician1002
Tue Jun 22, 2010 7:07 pm
D4 - French air cannon - caliber 12mm

Last post by AndyX
Replies: 49
by Xtazz » Mon Mar 23, 2009 3:22 pm
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Hi

Here is my air cannon : The D4.

Le longest thing to do was the wooden corpse

Total length : 1m95
Weight : 10Kg
Caliber : 12mm
Pressure :...

Last post

Very nice man, it's awsome
49 Replies

21346 Views

Last post by AndyX
Tue Jun 22, 2010 6:27 am
Building for the biggest "Boom" sound

Last post by Gun Freak
Replies: 11
by rootuser » Mon Jun 21, 2010 5:19 pm

First post

Hello everyone,

I'm fairly new to spud guns so please bear with me.

I have built a rocket launcher type cannon already and it works fine. I have a...

Last post

With a tee muzzle break on the end...

11 Replies

3201 Views

Last post by Gun Freak
Mon Jun 21, 2010 11:09 pm
Pneumatic repeater....

Last post by Gun Freak
Replies: 8
by Ninty2lxcoupe » Sun Jun 20, 2010 10:17 am

First post

I have built two Pneumatic cannons and i love them. The only problem i have with them is the fact that i have to keep the air compressor going and...

Last post

As for loading, make a breech loader (bolt action, coupler cover) or a simple tee mag.

8 Replies

3184 Views

Last post by Gun Freak
Mon Jun 21, 2010 10:12 pm
RSP-Skeleton

Last post by PVC Arsenal 17
Replies: 35
by PVC Arsenal 17 » Tue May 25, 2010 8:09 pm
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Hello there, Pneumatic Cannon Showcase. It has been a VERY long time since I've submitted anything here.

For those who have been following the Nerf...

Last post

I used a constant force spring . McMaster Part #9293K48
35 Replies

12210 Views

Last post by PVC Arsenal 17
Mon Jun 21, 2010 11:50 am
piston pistol(updated with piston pics)

Last post by jrrdw
Replies: 32
by locksmith » Thu May 17, 2007 11:32 am
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This is my latest creation and first attempt at a piston gun.It works great the piston is turned out of aluminum and has an o-ring.it has a marble...

Last post

This topic is 3 years old ...

Please send a PM to one of the forum moderators when you come across this kinda thing...
32 Replies

15673 Views

Last post by jrrdw
Sun Jun 20, 2010 3:26 pm
FIM-92A Stinger missile build

Last post by Slauma
Replies: 24
by thegreatwrzesinski » Mon Jun 14, 2010 12:57 am
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ok...I want to build a nerf rocket launcher resembling a FIM-92A stinger missile system. I would like to use a co2 tank as my power source and would...

Last post

I'm pretty sure you need two regulators to get HPA low enough for PVC...

JSR uses a standard paintball reg that reggs down to 450 psi... from that...
24 Replies

11682 Views

Last post by Slauma
Sun Jun 20, 2010 11:13 am

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