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

843282 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...

Last post

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

417898 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

352411 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

596616 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

317826 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

74366 Views

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

Topics

blowgun pressure

Last post by THEMOST#2
Replies: 18
by THEMOST » Sun Dec 31, 2006 4:34 pm
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I know that blowguns have a 90psi max rating but how high do you think you could go before its reallly unsafe? i want to have 150psi mabey attatched...

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You know, I never posted this in the showcase section idk what idiot did this though...

(I'm now THEMOST#2 now since pimpmann22 banned me lol)
18 Replies

8386 Views

Last post by THEMOST#2
Wed Jan 10, 2007 9:59 pm
Diaphragm Pneumatic Cannon Update 12/9/06: Vid+Dmg pics

Last post by Zorrowannabe9
Replies: 13
by Zorrowannabe9 » Tue Dec 05, 2006 12:04 am

First post

This is my latest cannon, it is based off my larger scale design posted here (keep in mind this is only slightly based off of it.

The chamber is...

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find a good material for your diaphragm. The tire inner tube I used broke, which shot me with a paintball. I also suggest NOT using the T like I did,...

13 Replies

5455 Views

Last post by Zorrowannabe9
Wed Jan 10, 2007 9:50 pm
built a Bored cannon was impressed

Last post by Bluetooth
Replies: 3
by Maethor » Tue Jan 09, 2007 8:15 pm

First post

I was sitting at home bored and after a quick trip to wal-mart and 12 dollars later I had an interesting new pneumatic cannon. I used 3/4 SCH 40 pipe...

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Wow those are some awesome smiles :D . Thats cool. I hope it works out well.

3 Replies

1552 Views

Last post by Bluetooth
Wed Jan 10, 2007 6:07 pm
3" piston coaxial help

Last post by noname
Replies: 1
by singularity » Tue Jan 09, 2007 6:46 pm

First post

well im making a coaxial pneumatic with a 3 camber and a 1 barrel. that would mean i need a 3 piston. my idea was to get a 2 cap and a 2 plug glue...

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Tye piston will work fine, just leave enough room for it to slide back.
As for the barrel support, just use pieces of pipe, for that gun, I'd use 3/4...

1 Replies

819 Views

Last post by noname
Wed Jan 10, 2007 5:43 pm
Piston? how does it work?

Last post by MrCrowley
Replies: 12
by pizlo » Wed Jan 03, 2007 3:41 pm

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I would like to know how a piston gun works, because i want to use one in a pistol.
so what is it? and what do i need to make it? thx

Last post

That animation is also on this site I just had bookmarked it from when I was on spudtech.

12 Replies

2469 Views

Last post by MrCrowley
Wed Jan 10, 2007 4:07 pm
Piston Valve Directions

Last post by MrCrowley
Replies: 1
by garrettee » Tue Jan 09, 2007 3:40 pm

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I and others I'm sure would love some highly detailed instructions on how to build a piston valve(with good pictures). So I'm politely asking anyone...

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Why dont you post them? Just search the forum, Rmich had some pics of the inside of a supah valve,and there are diagrams on the wiki....theres also...

1 Replies

1065 Views

Last post by MrCrowley
Tue Jan 09, 2007 4:35 pm
attaching a bike pump

Last post by keep_it_real
Replies: 2
by keep_it_real » Mon Jan 08, 2007 8:29 pm

First post

How do you attach a bike pump to the chamber. I'm guessing you use barb to mip adapter (is that what you call it?) and just push it into the bike...

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Sorry, I probably didn't explain it well enough. I'm attaching a hand pump on the gun. The hand pumps don't have a tube coming out of them. So...

2 Replies

1207 Views

Last post by keep_it_real
Tue Jan 09, 2007 11:04 am
Killa's new dart gun.

Last post by killagorrila99
Replies: 21
by killagorrila99 » Tue Jan 02, 2007 11:23 pm
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Not too much to say here. Shoots knitting needles and homemade darts. Modded sprinkler, pvc blah blah blah.

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Well better hope he isn't the bouncer!
I just converted this to burst disk. WOOPEE! LLAMA is a cool WORD!
lol. Sorry about that, I may be a weeeee...
21 Replies

4859 Views

Last post by killagorrila99
Tue Jan 09, 2007 5:45 am
Quick Silver

Last post by MrCrowley
Replies: 15
by dethstik » Thu Feb 03, 2005 2:21 pm
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QUICK SILVER

This rifle is our first and was constructed from:
3/4 x 24 barrel (top 6 has holes drilled in it all over)
1 1/2 x a total of 30 tank...

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HUGE dead topic...layoff it.

nice idea for the silencer, it may help them to lessen the sound... neighbors sucks

Well silencers do tend to...
15 Replies

14721 Views

Last post by MrCrowley
Tue Jan 09, 2007 4:49 am
golfball barrel?

Last post by A-98
Replies: 5
by A-98 » Mon Jan 08, 2007 6:15 pm

First post

what size barrel is perfect for golfballs, i have heard hat 1.5 sdr 21 pvc is perfect, but you should sleeve it in 2 sch40(80?) and im not sure bout...

Last post

thanks guys, but i found it on bc arms, so i think im good.

thanks alot

5 Replies

2095 Views

Last post by A-98
Mon Jan 08, 2007 11:59 pm
Coke Bottle Launcher???

Last post by judgment_arms
Replies: 4
by swolengut67 » Mon Jan 08, 2007 8:31 pm

First post

I'm building a pneumatic cannon able to shoot coke bottles/cans over 100 yards. Im having a very hard time figuring out what size barrel to get that...

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300cal/3inch SCH40 PVC fits just about any thing you’d ever want to shoot; coke cans, coke bottles, spray paint cans, hair spray cans, glass bottles...

4 Replies

2035 Views

Last post by judgment_arms
Mon Jan 08, 2007 9:19 pm
stupid question

Last post by experament-u2
Replies: 3
by experament-u2 » Sun Jan 07, 2007 8:17 am

First post

ok i got a stupid one wat dose a regulator do?
one of the ones u can get from atomotive shops

Last post

sorry pimp i didnt even think thanks anyway :?

3 Replies

1251 Views

Last post by experament-u2
Mon Jan 08, 2007 3:15 am
Dry Ice

Last post by pyromanic13
Replies: 17
by dgr-c » Thu Jan 04, 2007 4:47 pm
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I came across some mention of dry ice as a propellant. Looks like it could be fun but kind of tricky to work with -- pressure builds as the CO2...

Last post

then use 3 .... maby he does have 4 bitch
17 Replies

9146 Views

Last post by pyromanic13
Sun Jan 07, 2007 9:02 pm
1" piston?

Last post by A-98
Replies: 10
by A-98 » Sun Jan 07, 2007 2:51 pm

First post

can anyone suggest an easy to make 1 piston? i dont have a lathe(curses) so i need something like an endcap that will fit inside 1 sch 40 pvc

muchas...

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im making a coaxial dart gun ( a variation on this one www.spudfiles.com/forums/viewtopic.php?t=2122&) its gonna be 3/8 barrel by 18 and the chamber...

10 Replies

2887 Views

Last post by A-98
Sun Jan 07, 2007 8:54 pm
pistons

Last post by MrCrowley
Replies: 16
by Deko » Sun Jan 07, 2007 1:09 pm
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i just now started looking into pistons and have a pretty good idea on how they work, but i do have one question does it matter how long it is? or as...

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~ Judgement Arms~

You talking to me? Anyway it sounds like your saying a bigger piston is better as it decreases chamber volume and pilot...
16 Replies

4854 Views

Last post by MrCrowley
Sun Jan 07, 2007 8:35 pm
Piston valve theory

Last post by Bluetooth
Replies: 15
by squeaks » Sat Jan 06, 2007 8:38 pm
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Okay, so a lot of people make piston valves by pushing the barrel pipe past the part of the tee that leads to the chamber such as in valves like...

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I also have a set of taps and dies from 1/8 to 5/16
15 Replies

3154 Views

Last post by Bluetooth
Sun Jan 07, 2007 3:39 pm
Electric Solenoid Cannon

Last post by Scope
Replies: 19
by PCGUY » Sat Feb 05, 2005 3:35 pm
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ELECTRIC SOLENOID CANNON

Provided By -

This launcher is the typical pneumatic type. It is often referred to as over-under type or bazooka...

Last post

Goood man madjohn... goood man!!
Just make sure you find out exaclty how much pressure need to get to a safe FPS
19 Replies

21206 Views

Last post by Scope
Sat Jan 06, 2007 10:35 pm
Ball Valve vs Sprinkler

Last post by MrCrowley
Replies: 4
by Hunter32 » Fri Jan 05, 2007 9:30 pm

First post

right now i built my first gun.. it has a 4ft 3 chamber, and a 5ft 2 barrel, and a 1 one... with the 1 it shoots rocks baout 200yards at about...

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The GB aint going anywhere as there is too much blow by as the golf ball doesnt fit well enough in a 2 barrel, either wad the golf ball or buy 1.5...

4 Replies

2150 Views

Last post by MrCrowley
Fri Jan 05, 2007 9:57 pm
First Pneumatic Gun/Physics Project

Last post by Hotrod
Replies: 5
by Hotrod » Fri Jan 05, 2007 7:37 pm

First post

My friends and i decided on a potato gun for a physics project but our teacher wouldn't let us use combustibles so we used air.

It looks pretty...

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benstern, judgement_arms, thank you for that information. I didn't know that the ball valve was DWV or i would have steered clear of it. We didn't...

5 Replies

3385 Views

Last post by Hotrod
Fri Jan 05, 2007 8:21 pm
Modding

Last post by jrrdw
Replies: 1
by DTReaper » Thu Jan 04, 2007 7:19 pm

First post

Is there a way to modify a sprinkler valve without changing out the selenoid valve. Like increasing the size of the hole or something? I have the...

Last post

Here , this mite help you. I think s valves honk because there is some left over air in the chamber that is enough to vibrate the diaphram but not...

1 Replies

1502 Views

Last post by jrrdw
Fri Jan 05, 2007 8:43 am
small pneu handgun, will it work?

Last post by pizlo
Replies: 9
by pizlo » Tue Jan 02, 2007 6:37 pm

First post

i had an idea to make a small copper pneumatic hand gun. here is my basic plan.

Do you think this would work to shoot a small Nerf dart at least...

Last post

im goin to use pvc instead and im going to make a piston valve, thx for your imput.

9 Replies

2807 Views

Last post by pizlo
Wed Jan 03, 2007 10:15 pm
coaxile piston valve

Last post by killagorrila99
Replies: 9
by singularity » Tue Jan 02, 2007 5:59 pm

First post

simple questions guys, in a coaxial that uses a piston to seal do i need to put o rings on the outer edges of the piston (you know that part that...

Last post

Well I made o ring groves with a knife with my hot glue piston. It works well.

9 Replies

2179 Views

Last post by killagorrila99
Tue Jan 02, 2007 11:24 pm
plz read help me

Last post by MrCrowley
Replies: 1
by newkidspudster » Mon Jan 01, 2007 9:17 pm

First post

ok,im making my first pnewmatic how do u get the air compressor vaulves to stick into the pvc?

Last post

why did you make 2 topics? Ask it in your other topic. what type of valve?

1 Replies

1198 Views

Last post by MrCrowley
Mon Jan 01, 2007 11:55 pm
first pnewmatic

Last post by MrCrowley
Replies: 5
by newkidspudster » Mon Jan 01, 2007 9:07 pm

First post

im making my first pnewmatic today. it will shoot paint balls its pretty cooll.

Last post

im making my first pnewmatic today. it will shoot paint balls its pretty cooll.
Worthless post

hahaha
Worthless post

theres no w by the way and...

5 Replies

2359 Views

Last post by MrCrowley
Mon Jan 01, 2007 11:55 pm
Soda Power

Last post by newkidspudster
Replies: 13
by abcdefg » Mon Dec 25, 2006 10:48 pm

First post

I wanna make a gun powered by Diet coke and mentos

U think it will work?

Possible difficulties?

Last post

The preasure builds up very fast with mentos in pepsi i think it will work.

13 Replies

4293 Views

Last post by newkidspudster
Mon Jan 01, 2007 1:22 am

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