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

890956 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

433664 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

365954 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

611160 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

325598 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

77237 Views

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

Topics

Three Way Valve

Last post by jrrdw
Replies: 3
by us sniper » Thu Oct 04, 2007 9:12 pm

First post

I was thinking of a valve for a gun that I am currently building that would allow for the gun to recharge faster. I have already posted a design for...

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Reminds me of a valve rod out of a tractors hydrolic valve set up. Works about the same also.

3 Replies

976 Views

Last post by jrrdw
Thu Oct 04, 2007 11:34 pm
Coaxial Pistol

Last post by VH_man
Replies: 13
by singularity » Wed Oct 03, 2007 2:07 pm

First post

this was built about a year and a half ago, i didn't post for some reason i can no longer remember. it is the smallest coaxial i have ever built...

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consider yourself an inspiration. time to make one of these, exept out of galvanized steel and .68ID aluminum tubing........... 200 PSI PB pistol?...

13 Replies

4364 Views

Last post by VH_man
Thu Oct 04, 2007 7:23 pm
Sprinkler Valve GPM- air?

Last post by PVC Arsenal 17
Replies: 7
by PVC Arsenal 17 » Wed Oct 03, 2007 8:23 pm

First post

I'm looking to buy a 2 sprinkler valve for a tennis ball cannon. The one I found has a flow rating of 120 gpm. What would that translate to in air?...

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No way...

hehehe

7 Replies

2313 Views

Last post by PVC Arsenal 17
Thu Oct 04, 2007 4:05 pm
piston designs

Last post by meatballs
Replies: 1
by f.c » Thu Oct 04, 2007 7:12 am

First post

i have looked around a fair bit and have decided to try my hand on making a piston inside of a 25 mm t section. piloted by a blowgun i have already...

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one easy solution would be to use a sprinkler valve, although it looks like you want a piston, and i'm sure you've considered a sprinkler valve...

1 Replies

1408 Views

Last post by meatballs
Thu Oct 04, 2007 2:49 pm
Foam pistons

Last post by jackssmirkingrevenge
Replies: 32
by flamerz14 » Fri Sep 28, 2007 3:49 am
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I wonder if its possible to make a piston out of Bluefoam? Its almost like normal foam but denser, harder and less flexible for the same weight...

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1.5mm sheets?? :lol: i only have like 30mm sheets and boards with me :D

me too, but if you string a hot wire across a flat surface and slide the...
32 Replies

8195 Views

Last post by jackssmirkingrevenge
Thu Oct 04, 2007 9:28 am
Paintball Barel

Last post by mark.f
Replies: 10
by ShowNoMercy » Wed Oct 03, 2007 8:18 pm

First post

What are the best choices for a paint ball barrel? I am looking to get it Mccmaster Carr.

Last post

3/4 unbendable aluminum hydraulic tubing. ID of 0.68 . You cannot beat it. Use a self-aligning compression nut to connect to your gun.

10 Replies

3098 Views

Last post by mark.f
Thu Oct 04, 2007 5:34 am
BB gun/ Pellet gun plans

Last post by jackssmirkingrevenge
Replies: 8
by CannonCreator » Thu Oct 04, 2007 12:14 am

First post

K so I am designing a pneumatic bb gun/ pellet gun (not airsoft). I am going to pull a barrel out of a real BB gun so I can get a perfect fit for the...

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Like the classic Daisy HOw I want one.

Walther make a CO2 powered Winchester style lever action that gives you more than twice the velocity ;) I...

8 Replies

2779 Views

Last post by jackssmirkingrevenge
Thu Oct 04, 2007 3:22 am
glueing nail to pvc

Last post by Marco321
Replies: 11
by ALIHISGREAT » Wed Oct 03, 2007 3:39 pm

First post

for my breech loading setup i need to glue a nail to my barrel, what would be the best glue to do this with, ideally i would just want to put glue on...

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Use epoxy. Just put a dollop of it at the head of the nail, then put it onto the barrel, then once it has hardened, put some more around the base, it...

11 Replies

2296 Views

Last post by Marco321
Thu Oct 04, 2007 2:48 am
First Time Cannon Post

Last post by Quark
Replies: 13
by Quark » Wed Oct 03, 2007 12:03 am

First post

Hey, since this is my first post on spudfiles, i figured i'd save it for something good. This is my scuba tank driven cannon that shoots paintballs....

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hey guys, thanks for all the great comments, i'm suprised to see such a great outcome on my first post, and about the lack of damage pics, i have...

13 Replies

3478 Views

Last post by Quark
Wed Oct 03, 2007 9:41 pm
sealing sprinkler.

Last post by Mr.Russ
Replies: 6
by Mr.Russ » Wed Oct 03, 2007 6:01 am

First post

hey guys, i just bought a 25mm sprinkler valve, it is a garden mate one and cost me $19. it has a guide rod aswell.

my question is: do sprinkler...

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i bent my guide rod so i can drill the hole directly at the top. works fine

6 Replies

1946 Views

Last post by Mr.Russ
Wed Oct 03, 2007 9:09 pm
pipe straightening

Last post by Marco321
Replies: 22
by ALIHISGREAT » Tue Oct 02, 2007 10:57 am
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my 3/4 pipe i am using for my barrel is a straight as a rounderbout, does anyone have any ways i can make it straighter?

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kl thanks for them help, i wonder if rolling it on my wooden hall floor would damage the floor? ahh well i'll find something else to roll on.

p.s. i...
22 Replies

3542 Views

Last post by Marco321
Wed Oct 03, 2007 9:03 pm
Still confused on chamber size

Last post by Marco321
Replies: 18
by Mitchza89 » Mon Oct 01, 2007 7:19 am
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G'day lads, I got my new shock pump today. I got my bb gun pumped up to 80 or so psi before my arm just died. I know I can greatly reduce the chamber...

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Ok, here's my imaginary launcher, and the results I got when I played with the variables:

20 inch chamber at 50 psi - 406 feet per second

10 inch...
18 Replies

4931 Views

Last post by Marco321
Wed Oct 03, 2007 9:01 pm
Copper cannon questions !!!

Last post by Xecuter
Replies: 9
by Xecuter » Tue Oct 02, 2007 5:49 pm

First post

Hi, I'm building a pneumatic copper cannon and i want to know where i can buy a threaded schrader valve and what is the pressure rating on type M...

Last post

Thanks for the informations, i'll use a used schrader valve.
And i don't think i will put more than 100 psi in my gun so i'm safe with that.

9 Replies

3043 Views

Last post by Xecuter
Wed Oct 03, 2007 3:24 pm
Corn Cannon

Last post by maizeman
Replies: 10
by maizeman » Tue Oct 02, 2007 11:43 am

First post

I’m inclined to post information on my summer project, as the information on this site was invaluable to me in its construction.

This beast was...

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Tennis balls are too light and fuzzy. There are some local gourds that are the right size do great and fly lights out when properly fitted and...

10 Replies

11934 Views

Last post by maizeman
Wed Oct 03, 2007 1:27 pm
Coax Question

Last post by jackssmirkingrevenge
Replies: 11
by ShowNoMercy » Mon Oct 01, 2007 8:31 pm

First post

I have a few questions regarding the construction of a coax cannon.
1) Has anyone attempted to utilize more than one barrel inside the chamber?
2)...

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even if the barrel's o/d was 1 inch, having 2 barrels in a 2 inch chamber would still give you a C:B ratio greater than 1:1 if your barrel was as...

11 Replies

2456 Views

Last post by jackssmirkingrevenge
Wed Oct 03, 2007 12:08 pm
truck air chamber

Last post by iknowmy3tables
Replies: 13
by battlemonkey » Mon Oct 01, 2007 2:58 pm

First post

my dad has a truck air chamber lying on the side if the road at his mine.
it looks something like this

i was wondering if it would be usefull...

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wait I got it make it a burst disk cannon first and when you have the experience add a meter and make it a hybrid, oh or you could make it a oxy-acyt...

13 Replies

3308 Views

Last post by iknowmy3tables
Wed Oct 03, 2007 10:14 am
Thursto's pneumatic cannon idea (with pics, and designs)

Last post by Thursto
Replies: 22
by Thursto » Sat Sep 22, 2007 6:23 am
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Hi All, just wanted your suggestions ideas and opinions on this cannon I'm starting to make.

It is basically a sprinkler valve cannon, with an under...

Last post

buy u r blow gun from bunnings there only $7.00 they come with and end piece and if u sand it down u get a nut which fits perfectly inside the...
22 Replies

5260 Views

Last post by Thursto
Wed Oct 03, 2007 4:49 am
Watto's Pneumatic With Youtube Video x2

Last post by jackssmirkingrevenge
Replies: 68
by watto » Wed Sep 19, 2007 11:05 pm
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Second video (long)

This pipe cost AUD120, not cheap but its really thick and safe

P.S. If your into growing marijuana, check out my 'Grow...

Last post

I wonder if someone could come up with a water/air cooling mod for these little compressors that would increase their potential - probably because...
68 Replies

15155 Views

Last post by jackssmirkingrevenge
Wed Oct 03, 2007 1:13 am
are they 1/4"?

Last post by th3p0p0
Replies: 19
by th3p0p0 » Tue Oct 02, 2007 10:08 pm
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i think they are but im not positive. thanks for any help i get.

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sweet i hope my dad will do that. then i will have more $$ to get parts.
19 Replies

3153 Views

Last post by th3p0p0
Wed Oct 03, 2007 12:11 am
builder bog piston

Last post by f.c
Replies: 1
by battlemonkey » Tue Oct 02, 2007 2:29 pm

First post

I have wanted to make a coaxal gun for a while and have moved away from the idea of a masive gun for something more portable.
I was wondering counld...

Last post

look at jacks how-to on epoxy casting. i just doubt builders bog would really do the job.

1 Replies

897 Views

Last post by f.c
Tue Oct 02, 2007 5:51 pm
large cannon

Last post by battlemonkey
Replies: 20
by battlemonkey » Sun Sep 30, 2007 3:51 pm
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hi there everyone.
I have not made anything major for the last little while so i am looking to make somehting big........real big :shock:
i was...

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well may have to abandon project. got taken out racing at mt wellington and my bike needs a new fairing and brake handle. my need to import parts...
20 Replies

4321 Views

Last post by battlemonkey
Tue Oct 02, 2007 3:42 pm
Anything better then JB weld

Last post by battlemonkey
Replies: 11
by socoj2 » Mon Oct 01, 2007 3:28 pm

First post

I find that i have to put several fittings into pvc Caps, and i use JBweld on the inside and the outside.

Only thing is, its A. A pain to mix it....

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yeh that was pretty crazy f.c but i dont think that he actualy though i was going to test then and there. i could have blown a part anyway at higher...

11 Replies

3423 Views

Last post by battlemonkey
Tue Oct 02, 2007 2:10 pm
Safety Question

Last post by Hubb
Replies: 35
by Hubb » Thu Sep 27, 2007 4:03 pm
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I'm about to begin construction on a paintball field. It is not going to be very big but I am going to allow the use of alternative weaponry (i.e....

Last post

300 fps is the maximum, not standard. Paintball markers are usually set to around 280fps due to some paintball markers shooting hot (paintball term...
35 Replies

8169 Views

Last post by Hubb
Tue Oct 02, 2007 5:06 am
Coin Launcher v1.0

Last post by Novacastrian
Replies: 50
by jackssmirkingrevenge » Sat Sep 29, 2007 3:30 am
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After this discussion on coin launching, I remembered i had an unused pneumatic nailgun lying around and thought I'd give it a go. The mod is quite...

Last post

Laws of bloody physics, when WILL they stop? 8)
50 Replies

15070 Views

Last post by Novacastrian
Tue Oct 02, 2007 3:24 am
sch 120

Last post by DYI
Replies: 10
by tyguy2000 » Mon Oct 01, 2007 6:35 pm

First post

I am considering making my second spud gun sometime soon. My first was a rather expensive 8 foot pneumatic with a 2 sprinkler valve. To save cash and...

Last post

You don't really need tools to use metal pipe, all you need is teflon tape and a pipe wrench or two. Metal piston valves can also be built without...

10 Replies

3159 Views

Last post by DYI
Mon Oct 01, 2007 8:57 pm

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