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

1124912 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

552094 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

821102 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

966922 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

374833 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

92381 Views

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

Topics

Dentent help

Last post by Major Collins
Replies: 2
by Major Collins » Thu Feb 02, 2012 2:41 am

First post

well ive made a bolt and now I need to make a make a magazine device...

and detent ... ive found a picture that Jsr posted somewhere of an o-ring...

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hrmmm if this is what Jsr says it, must be right :D ...

a bag of marbles 1$ each for 101 ,guessing around 33 are 17.5, not a big loss

so looks...

2 Replies

978 Views

Last post by Major Collins
Thu Feb 02, 2012 6:05 am
paintball tanks

Last post by Hubb
Replies: 7
by Moggle NZ » Sat Jan 28, 2012 2:43 pm

dose any 1 know what psi paintball tanks are filled to?
withco2 that is

7 Replies

3436 Views

Last post by Hubb
Wed Feb 01, 2012 7:54 am
Can anyone tell me how safe these are...

Last post by jackssmirkingrevenge
Replies: 6
by killerbanjo » Tue Jan 31, 2012 4:15 pm

First post

Hi all, founds some tees and other fittings but i dont know what pressure they will handle safely...

these...
these...
these...

Thanks in...

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I would be surprised if any of those blew up at less than 2000 psi, especially the stainless one.

6 Replies

3803 Views

Last post by jackssmirkingrevenge
Wed Feb 01, 2012 12:51 am
PVC Marble Rifle: 140m/s marbles!

Last post by mark.f
Replies: 6
by lihaoyi » Mon Jan 30, 2012 4:32 am

First post

Hey All!

I've been lurking here for a while, ever since I decided to make my own marble-shooting air rifle a year and a half ago. I finally got...

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Rice means: screw up.. But I feel that he used it wrongly.. haha

Uh, no. Rice means pointless cosmetic additions which detract from functionality....

6 Replies

7455 Views

Last post by mark.f
Tue Jan 31, 2012 11:02 pm
HPA pump help.

Last post by warhead052
Replies: 22
by warhead052 » Mon Jan 30, 2012 12:14 pm
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I have been thinking about making a balanced quick dump valve rifle after seeing all these high powered french ones, and need some help on a hpa pump...

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Petitlu, that's sort of what I am aiming to make.

Crowley, Hawkeye, you two both have valid points, but hawk you have hit the spot. I don't want to...
22 Replies

8914 Views

Last post by warhead052
Tue Jan 31, 2012 9:27 am
1/2" Aluminium Coax

Last post by DerpWithAGun
Replies: 29
by DerpWithAGun » Wed Jan 25, 2012 11:16 pm
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Hey guys,

My dad still has not ordered the lathe and mill yet so I can't get started on my PCP yet but I am very eager to build and shoot an air...

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Oh I understand you now. The only thing is I'm not building a coaxial styled gun.

The Piston is relatively easy to make. The best and easiest piston...
29 Replies

26220 Views

Last post by DerpWithAGun
Mon Jan 30, 2012 12:21 am
Ghetto thunder

Last post by Proxywars
Replies: 27
by Proxywars » Wed Jan 25, 2012 11:40 pm
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I finally made it. It's very ghetto but very powerful. It can shoot threw my fence with a AA battery wrapped in duct tape. P.S. I found a leak so...

Last post

Than any suggestions with a new gun???
27 Replies

8419 Views

Last post by Proxywars
Sat Jan 28, 2012 1:57 am
Paintball sniper

Last post by Moggle NZ
Replies: 8
by Moggle NZ » Wed Jan 25, 2012 3:07 pm

First post

just a picture of the setup i might use just wondernig what i can in pvove on such as
metirals
airflow
just any thing

when u pull the bolt back the...

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is a 15 mm solenoid valve an ok size for this gun?

8 Replies

3722 Views

Last post by Moggle NZ
Fri Jan 27, 2012 1:16 am
quick exuaste valve

Last post by Moggle NZ
Replies: 3
by Moggle NZ » Wed Jan 25, 2012 4:32 am

First post

this is not my designie i seen it on youtube i was un able to find the vid again so i drawed sum pics of it closed/open

idk its prolly better that...

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thanks i has a better idea of what i want to do now :)

3 Replies

1850 Views

Last post by Moggle NZ
Wed Jan 25, 2012 2:19 pm
plz help with solenoids

Last post by jackssmirkingrevenge
Replies: 4
by Moggle NZ » Tue Jan 24, 2012 11:28 pm

First post

can some 1 explain size diffrence in solinoids
is bigger better or what?

Last post

the setups described here are more than adequate for a paintball sniper:

4 Replies

2727 Views

Last post by jackssmirkingrevenge
Wed Jan 25, 2012 3:42 am
High pressure test-bed

Last post by Petitlu
Replies: 8
by Lockednloaded » Sun Jan 22, 2012 12:22 am

First post

I dismantled my detent gun some time ago, and my pressure washer handle has been gathering som dust recently, so I decided I'd use some spare parts...

Last post

Euh ...
870psi in PVC! :shock:

8 Replies

2496 Views

Last post by Petitlu
Wed Jan 25, 2012 2:04 am
check valve

Last post by Technician1002
Replies: 4
by Major Collins » Tue Jan 24, 2012 12:24 am

First post

does anyone know roughly the least amount of psi generated to push the valve or open up the valve?

and what psi are they rated too? i saw one on...

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Check valves for hydraulic systems or a power washer may be a better match.

4 Replies

1935 Views

Last post by Technician1002
Tue Jan 24, 2012 9:16 am
Will this piston design work?

Last post by ThatGuy
Replies: 6
by ThatGuy » Sun Jan 22, 2012 8:42 pm

First post

I have 2 ideas of how to make a shoulder fired piston cannon.

They both have a 1 Barrel surrounded by a 2 chamber.

The first, and the preferred...

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So if I used a 1 cap as a piston would a blowgun at the end of a 2ft hose be able to effectively vent it?

and finally would it be better to make the...

6 Replies

2822 Views

Last post by ThatGuy
Mon Jan 23, 2012 6:41 pm
Paintball-gun (bolt idea)

Last post by jrrdw
Replies: 1
by Moggle NZ » Mon Jan 23, 2012 2:47 pm

First post

some drawing real basic coment on things to inprove
also wondering if i could run a hybrid set up or will paint balls burst?>

im a bad speller dont...

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Sliding. Any time you can get rid of dead air (hose full of air) you improve efficiency.

1 Replies

893 Views

Last post by jrrdw
Mon Jan 23, 2012 4:00 pm
Help Making A QEV - English

Last post by josephlys
Replies: 35
by evanmcorleytv » Wed Jan 04, 2012 11:04 am
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This thread was split and the real author is max76 . It was split because of a language issue.

First off, Welcome to spudfiles!! It's always good...

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What do you mean by piston friction? I thought the spring serves the function as to prevent the piston from going backwards to the pilot side when...
35 Replies

8407 Views

Last post by josephlys
Mon Jan 23, 2012 2:19 am
First Piston Cannon

Last post by frigaardj
Replies: 7
by frigaardj » Thu Jan 19, 2012 11:19 pm

First post

This is my first cannon showcasing post on SpudFiles, although I have made other cannons in the past. This is also my first piston valve cannon, and...

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Nice job on the cannon, looks like it'll put a golf ball 200 yards easy.
At 50 psi it puts a lemon about 150 metres (165 yards), although I haven't...

7 Replies

4649 Views

Last post by frigaardj
Sun Jan 22, 2012 11:23 pm
newbie first gun

Last post by 9mmguy
Replies: 8
by 9mmguy » Fri Jan 20, 2012 10:53 pm

First post

I am new to the website and I am new to building spud guns. I have built one and would like to know what everyone thinks

Last post

I work on semi truck for the last 15 years have tons of free brass in my tool box cost to build 0$$ only the copper

The thing I used to make it was...

8 Replies

3455 Views

Last post by 9mmguy
Sat Jan 21, 2012 9:58 am
first air pump

Last post by wyz2285
Replies: 6
by urgle the danish cow » Fri Jan 20, 2012 2:54 pm

First post

Over the past 6 months or so I have gone through about 4 bike pumps for pressurizing air rifles. The have all broken and cost me a great deal of...

Last post

fine, I have my fridge compressor, and I rarely use my pump to 1000 psi

6 Replies

2023 Views

Last post by wyz2285
Sat Jan 21, 2012 8:08 am
Critique the Design...

Last post by D_Hall
Replies: 11
by D_Hall » Fri Jan 20, 2012 2:23 am

First post

OK, so I've decided to build another gun. Many fine details are still TBD, but I think I've got the big picture nailed down unless somebody finds a...

Last post

instead of large pilot chamber, why not small pilot chamber and hefty resetting spring?
Missed that comment the first time through. Answer is...

11 Replies

4148 Views

Last post by D_Hall
Fri Jan 20, 2012 6:24 pm
Regulators and Co2

Last post by jackssmirkingrevenge
Replies: 8
by Cpt Obvious » Wed Jan 18, 2012 6:30 pm

First post

I'm just getting into pneumatic cannons and discovered a small design that uses 16gram Co2 cartridges (kipkay's design i discovered while browsing)....

Last post

paintball tank -> regulator -> valve -> BB chamber -> barrel, there really isn't that much to it ;)

8 Replies

2405 Views

Last post by jackssmirkingrevenge
Fri Jan 20, 2012 12:54 am
Garden hose valve?

Last post by josephlys
Replies: 3
by josephlys » Wed Jan 18, 2012 10:22 am

First post

Is a garden hose valve any good. Does it let sufficient compressed air out upon release? & can it stand 100psi of pressure?

Last post

Sorry I was too eager for an answer. Anyway I haven't noticed a sprinkler valve at my local harware stores or marts. Options are ball-valves and...

3 Replies

1928 Views

Last post by josephlys
Thu Jan 19, 2012 1:19 am
Shear and small bore air cannons

Last post by Technician1002

by Technician1002 » Sun Jan 15, 2012 12:07 pm

I was doing some study on laminar shear of fluids. This is the slowing of a fluid near a stationary wall. There is a speed gradient to the middle of...

0 Replies

4491 Views

Last post by Technician1002
Sun Jan 15, 2012 12:07 pm
New Here. Idea that needs aproval

Last post by Engineererrrr
Replies: 4
by Engineererrrr » Fri Jan 13, 2012 10:44 pm

First post

Hello,
I am new to Spudfiles and the customs of posting. I also don't fully understand the terms used to describe Pneumatic things.
I find air...

Last post

:D I see, so my general idea will work.

Can i replace the scrader valve for a source of regulated air to make it semi auto?

4 Replies

1341 Views

Last post by Engineererrrr
Sat Jan 14, 2012 2:42 pm
is this safe?

Last post by Technician1002
Replies: 6
by Vaeevictiss » Thu Jan 12, 2012 10:34 pm

First post

I am building a new cannon off a design ive had for a while. I got in a couple sch80 reducer bushings today as i couldnt find any 40s. The rest of...

Last post

well the bushing still fully sits in the sch40 tee, none of it sticks out.

That is weird. The sched 80 fittings I used have a longer socket depth...

6 Replies

3442 Views

Last post by Technician1002
Fri Jan 13, 2012 7:50 pm
Pneumatic mortar idea

Last post by sharpshooter11000
Replies: 15
by sharpshooter11000 » Fri Jan 13, 2012 2:53 pm
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Here's my idea for a pneumatic mortar. I haven't been bothered to make it yet.
The picture is of the shell, it would be dropped into a tube with...

Last post

Hehe :lol: I've just realised, i can make JSR's design too, I'll just make an extra piston for my co-ax and have both :wink:
15 Replies

4360 Views

Last post by sharpshooter11000
Fri Jan 13, 2012 4:11 pm

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