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

1069085 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

509900 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

605851 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

767896 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

358153 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

88107 Views

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

Topics

Marble Gun

Last post by mark.f
Replies: 5
by mark.f » Sun Sep 17, 2006 9:21 pm

First post

full.jpg
piston.jpg

This is just the bastard child of an off-hand comment to my friend one day at school that I felt like building a marble...

Last post

Not always...

I did use clear primer. I've still got plenty...

5 Replies

3363 Views

Last post by mark.f
Mon Sep 18, 2006 10:41 pm
Mad Caddy

Last post by Constructor
Replies: 39
by PCGUY » Sat Feb 05, 2005 1:45 pm
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MAD CADDY

Provided By FoxxLord -

I decided to give this gun a little more flare than the typical boring white launchers I usually make. It's...

Last post

Nice
350 yards..........

Im constructing my own little potato gun about 2 feet long shoots about
20-35 feet away
39 Replies

26621 Views

Last post by Constructor
Mon Sep 18, 2006 12:57 pm
ball valve actuator

Last post by killagorrila99
Replies: 12
by alkalineall » Thu Sep 14, 2006 6:04 pm

First post

I'm trying to find a simple yet effective way to trigger my 1 ball valve that pilots the piston in my new cannon. I'm familiar with the pneumatic ram...

Last post

Your Welcome!

12 Replies

3763 Views

Last post by killagorrila99
Sun Sep 17, 2006 3:57 am
M16 Piston gun

Last post by killagorrila99
Replies: 20
by Infernal Maveric » Fri Sep 15, 2006 2:59 pm
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Specs:

Barrel: 15mm bore
Chamber: 22mm AND 15mm
Valve type: Barrel Sealing Piston
Piston: Felt-tipped pen casing and wind-sheild sealant
Trigger:...

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WOW!!!!! I love it! Seriously though how did you acomplish that beast! Im sure not even I could.
20 Replies

6577 Views

Last post by killagorrila99
Sun Sep 17, 2006 3:09 am
Nooby Pneumatic Gun...

Last post by CS
Replies: 4
by StClingin » Sat Sep 16, 2006 5:29 pm

First post

Hey there...

I have had my own ideas... and I finally made one.

I got a basic pneumatic blow gun, just a normal, stock, workshop blow gun... shoved...

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Burst Disk

4 Replies

2090 Views

Last post by CS
Sat Sep 16, 2006 6:49 pm
Miminum pressure for Orbit 1" and hydro testing?

Last post by zerodivide
Replies: 14
by zerodivide » Fri Sep 08, 2006 10:44 am

First post

I have a 9 x 1.5 chamber with an Orbit Watermaster 1 on the end. To check for leaks I filled the chamber with faucet water. Found that plugin...

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OT: Hahaha, sorry. The first two in that set were dupes from different dates though (fixed it).

Got lucky and found a Lowes that sold a Rainbird...

14 Replies

6210 Views

Last post by zerodivide
Sat Sep 16, 2006 5:38 pm
Piston-Valved Americannon (Contest Applicant)

Last post by Velocity
Replies: 30
by Velocity » Sun Aug 27, 2006 6:57 pm
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Cannon Name : Piston-Valved Americannon
Type of Cannon : Pneumatic
Chamber Size : 6 SCH 40 x 60 (1700 CI)
Barrel Size : 3 SCH 40 x 72 (510 CI)...

Last post

Thanks. Yeah, I decided that I needed to go with some patriotic colors for this beast. I usually just paint the entire thing (in this case, it would...
30 Replies

13534 Views

Last post by Velocity
Sat Sep 16, 2006 10:41 am
PVC pipes

Last post by )DEMON(
Replies: 14
by POS » Fri Sep 15, 2006 11:52 am

First post

Got a little problem here (well little, prity big actualy). I want to build a spud gun and i was looking around in the shops here for parts. I found...

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You could order a quick exhaust valve from overseas. They arn't that expensive and you can get them in small sizes. I haven't seen any here but I am...

14 Replies

4590 Views

Last post by )DEMON(
Sat Sep 16, 2006 1:14 am
Ak-2 Rifle

Last post by thrasmussen
Replies: 18
by thrasmussen » Wed Sep 13, 2006 5:07 pm
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Here is some pix of a rifle I did years ago!

Last post

This one is pretty much finished in my book. Even though there is not much power in the thing. I am considering on making a new grenade launcher...
18 Replies

6058 Views

Last post by thrasmussen
Fri Sep 15, 2006 7:13 am
Questions from a newbi

Last post by carlbelcher
Replies: 4
by snuden » Wed Sep 13, 2006 1:50 pm

First post

hey people, im a 28 year old danish dude that wants to build a pneumatic spudgun, my problem is that i dont know how to find a sprinkler valve in...

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Ask www.scangrow.dk

Soren

WTF!

4 Replies

2063 Views

Last post by carlbelcher
Thu Sep 14, 2006 10:39 pm
massive cannon!

Last post by schmanman
Replies: 4
by evileye250 » Tue Sep 12, 2006 4:28 pm

First post

I havent been on here for a while due to my cannon being broke. I dont know if this is on the site but i got some pics of it and some movies. (its...

Last post

gee, you think cannon three could use a longer barrel?? :roll:

4 Replies

2562 Views

Last post by schmanman
Thu Sep 14, 2006 5:04 pm
Butterfly valves

Last post by alkalineall
Replies: 7
by alkalineall » Wed Sep 13, 2006 12:11 am

First post

I did a little bit of searching and couldn't find any discussion of butterfly valves used in gun designs. From the few that Ive looked at online they...

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Cool, yeah as far as flow they have to be one of the best options around. once the opening is started I would think that the gas flow around the...

7 Replies

3503 Views

Last post by alkalineall
Wed Sep 13, 2006 6:15 pm
Over Under Solenoid Mortar

Last post by carlbelcher
Replies: 13
by MrCrowley » Tue Sep 12, 2006 11:04 pm

First post

well i just posted this but if screwed up so ill make it short.

what you do is put copper on the inside of the barrel opposite each other at the...

Last post

No problem man... I'm glad to help.

13 Replies

4150 Views

Last post by carlbelcher
Wed Sep 13, 2006 3:01 pm
M16 replica semi/full auto

Last post by killagorrila99
Replies: 4
by Infernal Maveric » Mon Sep 11, 2006 2:52 pm

First post

I was wondering what you all think of these plans for my M16 replica modeled on Salladtossers PVC one.

I have all the parts, but would like to know...

Last post

Oh that explains it. Thankyou.

4 Replies

2095 Views

Last post by killagorrila99
Wed Sep 13, 2006 3:09 am
supahvalve -VS- pistonvalve

Last post by CS
Replies: 11
by roughboy » Tue Sep 12, 2006 2:20 am

First post

which is the best valve to use a supahvalve or a pistonvalve? Why?

which of this two can i use on 250psi?

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killagorrila99, thanks for cluttering this forum with your commentary.

Pimpmann, I suggest you take another look at some of Rmich's piston valves...

11 Replies

3631 Views

Last post by CS
Wed Sep 13, 2006 1:19 am
Stealth Sniper

Last post by MrCrowley
Replies: 18
by noname » Sun Sep 10, 2006 8:43 pm
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Stealth Sniper
Pneumatic
Chamber Size 1.5 x20 (~30 CI)
Barrel Size .696 x30 (~21 CI)
Bike Pump
Modified 1 Sprinkler with Safety Ball Valve
Functional...

Last post

yup that would be it and the light wasnt great :roll:
18 Replies

8312 Views

Last post by MrCrowley
Tue Sep 12, 2006 10:38 pm
blowgun

Last post by noname
Replies: 3
by roughboy » Tue Sep 12, 2006 3:47 am

First post

do i really have to match the psi on the blowgun to my airchamber or it dosn't matter?

my blowgun is 30psi
myairchamber is 250psi

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I doubt your blowgun is rated to 30 psi, seriously. That's probably the output pressure, like all the ones around here are. Someone actually told me...

3 Replies

2809 Views

Last post by noname
Tue Sep 12, 2006 6:58 pm
250psi

Last post by carlbelcher
Replies: 2
by roughboy » Tue Sep 12, 2006 2:45 am

First post

I want to make a metal cannon using 250psi but what kind of valve should i use that can handle 250psi?-----THANX

Last post

Some QEVs (quick exhaust valves) are rated to 250 psi but most are only rated to 125-175 psi.

2 Replies

1788 Views

Last post by carlbelcher
Tue Sep 12, 2006 4:38 am
Paintball Gun Questions

Last post by MrCrowley
Replies: 18
by Yonderknight » Sat Sep 09, 2006 8:29 pm
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Ok, I'm thinking of making a paintball rifle, but I have a couple of questions.

1) Would it be possible to hook up a regulated Co2 or HPA tank...

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is cpvc more shiney and plastic like then normal pvc?i think i have some thats 18mm(.68cal paintballs are 17.2mm)
18 Replies

6024 Views

Last post by MrCrowley
Mon Sep 11, 2006 10:39 pm
My threads snapped?

Last post by frankrede
Replies: 7
by frankrede » Mon Sep 11, 2006 7:05 am

First post

Ok I have a over and under gun like this one but its modded and has a few extra goodies.

Yesterday while shooting the the threads that go into the...

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if you dont have a nipple extractor,when something similar happened to me i just cracked the threaded coupler on the inside and it fell to pieces in...

7 Replies

2298 Views

Last post by frankrede
Mon Sep 11, 2006 7:43 pm
question about CB ratios

Last post by noname
Replies: 5
by whatthehellamidoing » Sun Sep 10, 2006 5:36 pm

First post

how do you find CB ratios? im building a new gun, cuz my old one had too many problems, and i want optimum power.

Last post

...unless you have a perfect fitting projectile and no holes in the barrel.

5 Replies

2265 Views

Last post by noname
Mon Sep 11, 2006 6:44 pm
80mm piston

Last post by MrCrowley
Replies: 2
by MrCrowley » Mon Sep 11, 2006 2:46 am

First post

this is for people who live in countries that use the metric system as im not sure if the pipe is the same in the US and other places that use...

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only as the outer part for the piston,the tee is rated to 260psi,the dwv part on the piston shouldnt have a problem with 100psi

2 Replies

1613 Views

Last post by MrCrowley
Mon Sep 11, 2006 3:17 am
Coaxial Sniper

Last post by killagorrila99
Replies: 11
by Urban Ninja » Sat Sep 02, 2006 7:54 am

First post

This is my micro coaxial piston gun. It has a hancdcarved stock made from blaso wood and utilises a piston from an air rocket toy (pressure rated)....

Last post

You should change the barrel to 16mm. It would be awsome to shoot marbles.

11 Replies

4568 Views

Last post by killagorrila99
Mon Sep 11, 2006 2:14 am
Co2 tank questions

Last post by HAYLO_Stealer
Replies: 5
by HAYLO_Stealer » Sat Sep 09, 2006 5:33 pm

First post

Hello all,
Been a bit since i asked a question.
I took the head off a nine ounce Co2 tank.
is there a regular pipe fitting that will fit in it i...

Last post

mark is right im screwing it into the neck of the bottle.
Tho it seems a bit odd to have a co2 bottle in a lowes.

5 Replies

2723 Views

Last post by HAYLO_Stealer
Sun Sep 10, 2006 4:13 pm
Bore to Barell Ratio: Can a barrel be too short?

Last post by schmanman
Replies: 12
by zerodivide » Mon Sep 04, 2006 9:17 am

First post

Been using GGDT to model a 3 (about 1 meter actually, 39 ) long inline pneumatic. The sprinkler valve plus fittings take up almost 10 so that leaves...

Last post

I doubt it. instead of building a new chamber, just drill and tap a 1/4 inch pipe nipple into the endcap next to the existing schrader valve, then...

12 Replies

3444 Views

Last post by schmanman
Sun Sep 10, 2006 8:26 am

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