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

838416 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

416219 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

351104 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

595387 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

317048 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

74242 Views

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

Topics

My first over-under cannon.

Last post by rna_duelers
Replies: 17
by rna_duelers » Fri Jun 30, 2006 5:33 am
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This is my first over-under style gun which all of the parts i got for it were free!except the sprinkler valve. I got all the parts from one of the...

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Or even smaller like a small guage sewing pin held with plyers and held in a candle flame.
17 Replies

6917 Views

Last post by rna_duelers
Tue Aug 29, 2006 5:57 am
quick questions about sprinkler valves

Last post by Shrimphead
Replies: 12
by natey14 » Thu Aug 24, 2006 10:07 pm

First post

Well I was wondering about the sprinkler valves. I know how to make em work but I don't understand them very well.

So I would like to know, if you...

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Not even close to that with ebay.

12 Replies

3861 Views

Last post by Shrimphead
Mon Aug 28, 2006 5:09 pm
delete

Last post by LynyrdSkynyrd
Replies: 34
by singularity » Fri Jul 28, 2006 2:53 pm
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gone

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look at my sweet new silencer

heres a pic of it on the rifle

lol yea i made a slencer for my combustion gun. i actually worked damn good too. i...
34 Replies

10578 Views

Last post by LynyrdSkynyrd
Mon Aug 28, 2006 12:16 am
which co2 reg should i buy

Last post by atticus4564

by atticus4564 » Sun Aug 27, 2006 5:41 pm

I have have an vortex block bb gun and i have been running off my friends air compressor for a while but i have co2 tanks and i want to make it...

0 Replies

2244 Views

Last post by atticus4564
Sun Aug 27, 2006 5:41 pm
250 psi

Last post by dinsdale
Replies: 15
by roughboy » Thu Aug 24, 2006 12:35 am
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im planing to make a 250 psi gun, the problem is i don't know what kind of pvc to use and also the SIZES? im talking about only the air chamber....

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my probelm with copper is not the tubing itself, its the soldered joints.
solder does not weld the tube together as solvent does on pvc, or as a mig...
15 Replies

6873 Views

Last post by dinsdale
Sun Aug 27, 2006 2:32 pm
newbie valve question......

Last post by rna_duelers
Replies: 18
by spc mike » Fri Aug 25, 2006 9:23 pm
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can some tell me how to mod a sprinkler valve? do you have to plug the seliniod hole up? is it as simple as to just thread an air gun in the top? and...

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I had a Faulty sprinkler valve like this but once it got to about 70psi it stopped leaking and then one day it just stopped leaking all together so...
18 Replies

6033 Views

Last post by rna_duelers
Sun Aug 27, 2006 6:00 am
Co2 Meter

Last post by Bluetooth
Replies: 7
by noname » Thu Aug 24, 2006 4:01 pm

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Basically this would be the same as a propane meter for a combustion. Just 2 ball valves, a pressure gauge, a street elbow going into your chamber,...

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Thats pretty cool. You could put male adapters on the pipe that you presurize to the full 800 so you could put different sized pipes for different...

7 Replies

3101 Views

Last post by Bluetooth
Fri Aug 25, 2006 4:05 pm
co2 regulator/ pressure of co2

Last post by Shrimphead
Replies: 3
by singularity » Thu Aug 24, 2006 12:24 pm

First post

okay i am trying to add a pressure gauge (that goes to 2000psi) to my $30 co2 regulator but im not sure what th e pressure ratng on brass fittings is...

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Mihlrad, the reason why smaller pipe and fittings can hold more psi is simple. Psi stands for pounds per square inch. The more area there is on the...

3 Replies

2153 Views

Last post by Shrimphead
Fri Aug 25, 2006 3:40 pm
Semi-auto piston valve gun

Last post by saladtossser
Replies: 9
by alkalineall » Tue Aug 22, 2006 10:42 pm

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I've been browsing this forum for a couple weeks now, and have wanted to build a pneumatic cannon for years. I knew what type of valve I needed, but...

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search for a local pneumatic part supplier, if you find the right one, they will have everything

9 Replies

3449 Views

Last post by saladtossser
Fri Aug 25, 2006 3:00 pm
QEV flow.

Last post by LucyInTheSky

by LucyInTheSky » Fri Aug 25, 2006 7:18 am

According to this site the flow of a 3/4 QEV is 4.1Cv.

But according to www.mcmaster.com it is 7.81Cv.

To find them on mcmaster type in 913 then...

0 Replies

2697 Views

Last post by LucyInTheSky
Fri Aug 25, 2006 7:18 am
QEV any good?

Last post by SpudStuff
Replies: 1
by PVC Arsenal 17 » Thu Aug 24, 2006 8:56 pm

First post

Are these any good?

They have the 1/4 model cheap on eBay. I want one for the pilot to a paint grenade launcher.

Last post

OHHH Yeah they work well

1 Replies

1725 Views

Last post by SpudStuff
Thu Aug 24, 2006 9:01 pm
paintball markers rated psi?

Last post by mark.f
Replies: 4
by pb_gunz » Thu Aug 24, 2006 6:56 am

First post

hey what is the rated psi for paintball guns???

Last post

My MRI has an inline pressure regulator. The velocity adjustment screw cranks down on that thing, so the final regulated pressure is sort of moot...

4 Replies

3128 Views

Last post by mark.f
Thu Aug 24, 2006 5:26 pm
new plan thought i might see whats needed?

Last post by Shrimphead
Replies: 2
by pb_gunz » Thu Aug 24, 2006 5:14 am

First post

hey there... my new plan was to have co2 as my air source... however my valve is a moded sprinkler valve.... i had some horrible thoughts that...

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It could be tricky getting it to be semi-auto. I assume that you would like it to be because you said that you want it to be just like a paintball...

2 Replies

1892 Views

Last post by Shrimphead
Thu Aug 24, 2006 4:06 pm
Inside a QEV, photos.

Last post by LucyInTheSky
Replies: 6
by LucyInTheSky » Thu Aug 24, 2006 9:56 am

First post

Just thought I would post some photos of my 1/2 QEV, which is basicly a co-axal piston valve.

It is the QEV on my gun the shiny assassin ....

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If you buy one its 10.32 and if you buy more than 5 its 8.68 each and if you buy more than 20 its 7.34 each.

6 Replies

3970 Views

Last post by LucyInTheSky
Thu Aug 24, 2006 1:47 pm
M.H.I.S pneumatic cannon,Damage pics!

Last post by killagorrila99
Replies: 17
by rna_duelers » Mon Apr 17, 2006 6:51 am
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M.H.I.S
This is mylong barrel pneumatic called the M.H.I.S(makes holes in stuff).This is about my 4th made small bore pneumatic cannon because i...

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ouch! please dont shoot me! but seriously if my gun was that good ud all be DEAD! lol jks nice man, nice
17 Replies

7241 Views

Last post by killagorrila99
Thu Aug 24, 2006 1:02 am
coke bottle

Last post by rna_duelers
Replies: 4
by roughboy » Wed Aug 23, 2006 12:30 am

First post

can someone tell me the max psi of a 2 litre coke bottle,coz im using it for my air chamber? thanx!

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I have ran 2L bottles at 125psi(8bar) many times and have only ever had one failure and that was with an old bottle but i have used the same 2L...

4 Replies

2366 Views

Last post by rna_duelers
Thu Aug 24, 2006 12:36 am
Piston Valve Questions

Last post by Flinchy
Replies: 9
by Yonderknight » Mon Aug 21, 2006 11:26 pm

First post

Hi everyone, I'm new here, and fairly new to spud gunning.

I recently finished a very simple pneumatic launcher with my friend, and I love it! We're...

Last post

you don't need a very powerful spring to do the job, just something strong enough to keep your piston in place. the spring is used to push the piston...

9 Replies

3709 Views

Last post by Flinchy
Wed Aug 23, 2006 3:42 pm
My Pneu Cannon

Last post by Velocity
Replies: 9
by mark.f » Mon Aug 21, 2006 4:07 pm

First post

Alright, this is copied entirely from my post on SpudTech, but I figure if Gort does it all the time, (and it's my material to copy anyways), I can...

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thats from the crazy spin that the golf ball picks up i think

9 Replies

4968 Views

Last post by Velocity
Wed Aug 23, 2006 9:02 am
QEV or Sprinkler valve?

Last post by LucyInTheSky
Replies: 3
by LucyInTheSky » Mon Aug 21, 2006 10:41 am

First post

I have a 1/2 QEV so would a 1 Sprinkler valve be more effective than that? Would a 3/4 QEV be even more effective than that?

I was thinking it would...

Last post

Good because I have just bought a 3/4 QEV.

3 Replies

1766 Views

Last post by LucyInTheSky
Tue Aug 22, 2006 1:12 pm
Metal barrel sealing tee design

Last post by taz22
Replies: 76
by )DEMON( » Thu Jul 13, 2006 8:08 am
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Those of you that have used metal fittings and stuff befor help me out.
I want to build a small powerfull piston cannon with my fire extinguisher...

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demon your gun is very very very very very good.

my next gun wil also be coper. its very easy to use with. you gave me a idee to spend my money...
76 Replies

26756 Views

Last post by taz22
Tue Aug 22, 2006 9:29 am
Rain Bird CP100 sounding like a air horn

Last post by spudder1
Replies: 19
by spudder1 » Fri Aug 11, 2006 9:25 am
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Does any one know why my rain bird CP100 1 in line valve sounds like a air horn? Is it because i have no did the valve mod yet?

Thanks for the help

Last post

Thanks, I fix the honking by putting the rod back in the vavle. I also had the same problem with pvc shavings as you did.

Thanks for the reply,
19 Replies

8364 Views

Last post by spudder1
Mon Aug 21, 2006 8:05 am
Piston O-rings

Last post by Bluetooth
Replies: 5
by Bluetooth » Sun Aug 20, 2006 11:17 am

First post

Im thinking of making a 1.5 co-axial piston cannon and i want to use Foxxlord's (from spudtech) 3 piston design down sized so instead of using 3 and...

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I still think im going for the piston and if it doesn't work ill modify it into a diaphram.

5 Replies

2179 Views

Last post by Bluetooth
Sun Aug 20, 2006 4:28 pm
Home-made Pneumatic Tennis Ball Gun

Last post by SpudStuff
Replies: 17
by StClingin » Fri Aug 18, 2006 10:58 pm
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Hello there,

You may have seen my last topic in this forum, about the pneumatic bomb, well, this idea will be allot safer.

I know the basic ideas...

Last post

sarcastic comment
17 Replies

9024 Views

Last post by SpudStuff
Sun Aug 20, 2006 2:14 am
Ghetto burst disc pneumatic.

Last post by chosen_way
Replies: 13
by M3NT4L » Thu Aug 17, 2006 9:44 pm

First post

I went to the doctor and he gave me a syringe (w/o needle) the diameter as about an inch and it shot water fer so i saw potential, i cut little...

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i dont know? ebay. you can make it from stuff you can buy at the chemists my science teacher told me how to, as you can probably tell all of my...

13 Replies

4314 Views

Last post by chosen_way
Sat Aug 19, 2006 9:38 pm
Pneumatic Powered Fun!

Last post by drac
Replies: 4
by StClingin » Fri Aug 18, 2006 10:51 pm

First post

Drac, good job on locking the thread, but in this instance be sure to remove the content also. -Pimp

Last post

I have to lock this topic though, because this is techincally illegal.

Make sure not to post stuff like this again, i'll let you off with a...

4 Replies

2513 Views

Last post by drac
Fri Aug 18, 2006 11:06 pm

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