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

903451 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

439348 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

375570 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

617181 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

328335 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

78295 Views

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

Topics

coax barrel support help

Last post by LCTChamp
Replies: 2
by daniel323 » Sun Mar 15, 2009 12:54 pm

First post

Hey

I am building a coax gun. The chamber will be 1 and the barrel 1/2 both copper. I just need to find a way to make a barrel support to go inside...

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Look before you post. The search feature is your friend.

2 Replies

1053 Views

Last post by LCTChamp
Sun Mar 15, 2009 1:06 pm
FANG 2 thoughts

Last post by btrettel
Replies: 24
by btrettel » Sun Jan 04, 2009 1:07 pm
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I've been doing some thinking lately about the shortcomings of my FANG gun and potential solutions. I would greatly appreciate if anyone could read...

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Today I put together a few parts quickly for some testing. The gun works great as is, but the parts were put together just to see what dimensions are...
24 Replies

12077 Views

Last post by btrettel
Sat Mar 14, 2009 9:52 pm
Big pneumatic GB cannon

Last post by SpudFarm
Replies: 4
by SpudFarm » Sat Mar 14, 2009 5:05 pm

First post

well, now that the snow starts to melt and my last hobby is to noisy i am slowly getting back into spudgunning mixed with computer modding/designing....

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i already have a bigger chamber like that used for a hybrid :D

500psi will get me bored since i need to lug around with a nitrogen cylinder. burst...

4 Replies

1230 Views

Last post by SpudFarm
Sat Mar 14, 2009 8:08 pm
Full auto valve

Last post by psycix
Replies: 18
by Demon » Fri Mar 13, 2009 6:51 pm
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I just(2 hours ago) build the prototype of the super valve that i just invented, i dont think that anybody already this idea but its really simply,...

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So you are just electronically triggering a sprinkler, combined with a blow forward? Basically you are having a semi-auto gun electronically rigged...
18 Replies

6262 Views

Last post by psycix
Sat Mar 14, 2009 7:24 pm
Sealing threaded fittings

Last post by psycix
Replies: 16
by SEAKING9006 » Wed Mar 11, 2009 1:18 pm
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I'm working on my 3rd gun this week, came across a new issue, since my first guns use the same slip/slip valve. How should one seal PVC threads...

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Teflon is a brand name, and teflon is PTFE. But indeed, that doesn't meant that PTFE is Teflon. Though both names are used for the same purpose.
16 Replies

3281 Views

Last post by psycix
Sat Mar 14, 2009 6:31 pm
the Barret 14mm sniper (NEW VIDEO!)

Last post by airgunner015
Replies: 40
by VH_man » Sat Jun 23, 2007 7:58 pm
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Well, ive been on this fourm for a while and NEVER posted a cannon, so i decided it was my time. this is my 4th pneumatic. it features:

-3 feet of...

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great looking gun :)
40 Replies

16975 Views

Last post by airgunner015
Sat Mar 14, 2009 1:33 pm
Grappling Hook Cannon??

Last post by Combustion Monkey
Replies: 18
by AegisAvenger » Sun Mar 01, 2009 7:00 pm
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I had some spare parts laying around my work bench and decided to group them all together and stare at them until I got an idea.

I set out to build...

Last post

LOL! That was probably the best home made launcher vid ever!
18 Replies

7735 Views

Last post by Combustion Monkey
Fri Mar 13, 2009 8:58 pm
Help with semi auto pneumatic cannon valve...please!!

Last post by SEAKING9006
Replies: 11
by lateral4 » Thu Mar 12, 2009 1:45 am

First post

I have tried a bunch of ideas on paper to come up with a system that I can fire from a tank of compressed air or co2 without having to open and close...

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Oh, a breech isn't very hard. What IS hard would be to make it reliable. A uniformly beveled cartridge sliding up a ramp made from the same size pipe...

11 Replies

3918 Views

Last post by SEAKING9006
Fri Mar 13, 2009 11:07 am
Lathed Piston Valve, Need Help!

Last post by psycix
Replies: 1
by Willdebeers » Wed Mar 11, 2009 3:50 pm

First post

As i have access to a lathe, I took advantage and turned myself a piston. I am going to build it around a mauler valve type, but i was wondering, my...

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Take a caliper, and go measure it. Seriously the best way.

1 Replies

732 Views

Last post by psycix
Thu Mar 12, 2009 9:27 pm
Modifying the Orbit Jar Top Sprinkler Valve

Last post by D_Hall
Replies: 6
by jacox » Thu Mar 12, 2009 3:34 am

Hello all.
Just started learning about pneumatic guns and trying to understand how they work.
So I decided i'd build my first gun and use this...

6 Replies

4542 Views

Last post by D_Hall
Thu Mar 12, 2009 8:35 pm
BTB sawed-off mark II

Last post by Brian the brain
Replies: 43
by Brian the brain » Fri Feb 08, 2008 3:05 pm
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Here it is!!

Pneumatic sawed-off shotgun mark II.
Same concept as the original, just cleaner, better and made to sell in numbers!!

THis one will be...

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This should have been PM'ed.

He wants to know how I fill it and if the balvalve is big enough to function as a pilot.

It fills from the handle...
43 Replies

13210 Views

Last post by Brian the brain
Thu Mar 12, 2009 4:31 pm
Help with my sprinkler valve

Last post by psycix
Replies: 15
by covey12 » Sun Mar 01, 2009 12:43 pm
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i looked in the trouble shooting guide, but im not sure why this happens still, when i pump up my chamber, the air leaks out of the barrel slowly,...

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Never trash broken parts. Use them for something else or repair them!
15 Replies

4131 Views

Last post by psycix
Wed Mar 11, 2009 6:11 am
Awsome aircannon

Last post by psycix
Replies: 16
by Demon » Sat Mar 07, 2009 12:20 pm
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This is sick man! The best is at the end.

Last post

Maybe its more exciting in real life then on a vid. Or they're just... something.

To scale this up, why not attach a large rubber sheet to one end...
16 Replies

4041 Views

Last post by psycix
Wed Mar 11, 2009 6:10 am
Back to Basics!

Last post by rna_duelers
Replies: 12
by Mitchza89 » Sun Mar 08, 2009 8:58 pm

First post

Nothing special but none the less a very reliable gun. I have another high pressure pump getting built at the moment. This is my first gun in over a...

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I've yet to build a new cannon after the court case,although I do have one in the design stage.Oh and the court case went well,understanding judge...

12 Replies

3437 Views

Last post by rna_duelers
Tue Mar 10, 2009 9:52 pm
piston vs. sprinkler?

Last post by psycix
Replies: 5
by covey12 » Mon Mar 09, 2009 8:26 pm

First post

im going to sound like a total noob i guess for this question, but for air cannons that are small E.G. a 3 foot 1.5 in. tank at around 40-60 psi,...

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Buying valves is more expensive then building them yourself, depending on what you use to build one, ofcourse.
Especially large valves of 2 and up...

5 Replies

2091 Views

Last post by psycix
Tue Mar 10, 2009 12:21 pm
Help on a Piston Valve

Last post by psycix
Replies: 11
by MajTom » Sun Mar 08, 2009 12:44 pm

First post

I have been trying my hand at a piston valve for a few weeks now and when I finally went to try it out, all I got was the unsatisfying hiss of all...

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You're welcome :)
Dont forget to post your shiny new lathed piston when its done!

11 Replies

2656 Views

Last post by psycix
Tue Mar 10, 2009 12:08 pm
Pneumatic airsoft canon ammo?

Last post by SEAKING9006
Replies: 15
by rastamuffin » Sat Dec 06, 2008 4:31 pm
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I have made a pneumatic pvc air canon design, pretty simple...the usual 2 in. pvc and ball valve...over all pretty simple. I need help making a round...

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In case anyone still wants the link to the dev thread, and didn't find the link in the final thread (this kind of thing gets on my nerves....) then...
15 Replies

6084 Views

Last post by SEAKING9006
Mon Mar 09, 2009 9:56 pm
My baby sniper

Last post by crashrun
Replies: 22
by crashrun » Fri Jan 02, 2009 8:44 am
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Barrel length: 85cm
Barrel Diam:outer:20mmpvc polli
:inner:12mm copper
Chamber Vol:16inchx50mm
Chamber Diam:50mm

PSI:100-150
Distance:100meters...

Last post

you just block off the chamber with a end cap that will fit backwards then you just glue your stock assembly to that
to fit trigger in the stock you...
22 Replies

11450 Views

Last post by crashrun
Mon Mar 09, 2009 7:39 pm
The Log Splitter, finally...NEW VID/PICS

Last post by Daltonultra
Replies: 10
by Daltonultra » Fri Mar 06, 2009 8:28 pm

First post

After a couple early test shots followed by a long run of nasty weather, I've finally got the Log Splitter fully operational. A few of you might...

Last post

The tree is actually a stump about 2 feet tall. If I did that to a living tree out there, my Mother would perform the Death Of a Thousand Cuts on...

10 Replies

5526 Views

Last post by Daltonultra
Mon Mar 09, 2009 3:51 pm
Sniper type gun suggestions please!

Last post by psycix
Replies: 16
by sssssbooom » Sat Mar 07, 2009 12:56 am
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So I have been working on a sniper type gun for a while, and I have most of it done. This is just a dry fit. But I need some suggestions. Should I...

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Hmm the cap makes a connection between something right?
So what if you linked that straight through with a wire? Maybe you could leave the cap out.
16 Replies

4540 Views

Last post by psycix
Mon Mar 09, 2009 2:19 pm
pen gun

Last post by rcman50166
Replies: 7
by cannon monkey » Sun Mar 08, 2009 10:04 pm

First post

what are the items needed for making a pen gun and where can i buy

wats the average cost for one?

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i built mine with $6 at a True Value store. I actually had enough material for two. Here is a link to my page

7 Replies

2415 Views

Last post by rcman50166
Mon Mar 09, 2009 1:29 pm
STV ver. 2 clear inline piston valve

Last post by spudman029
Replies: 25
by clide » Fri Dec 26, 2008 4:20 pm
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Some of you who have been around a while may remember my Straight Through Valve that I posted on Spudtech . It was an attempt to make a piston valve...

Last post

Clide, you always did have the most innovative cannons. Good work. :o
25 Replies

15473 Views

Last post by spudman029
Sun Mar 08, 2009 10:58 pm
simple blowgun and handpump gun

Last post by john bunsenburner
Replies: 6
by john bunsenburner » Sat Mar 07, 2009 4:39 pm

First post

Well a week or so ago my brother and I were very, very bored and so i decided to make thinks a little more intresting with this 10min gun. I used the...

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Update(well kind of):

While using the gun today i managed to blow the epoxy and part of the pump its self of. i found a shock pump and will use one...

6 Replies

2427 Views

Last post by john bunsenburner
Sun Mar 08, 2009 9:35 am
Piston Filling/Trigger all in one, maybe...

Last post by sgort87
Replies: 4
by SpudsMcGee » Fri Mar 06, 2009 9:40 pm

First post

Oakey Dokey Artichokey,
I'm gonna start building my first piston gun after I get all my info right. It is probably going to be a paintball shooter,...

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As long as the equalization backflow through the piston is small, my 3-way will work very well.

4 Replies

1407 Views

Last post by sgort87
Sat Mar 07, 2009 7:21 pm
Wich gas use?

Last post by Lentamentalisk
Replies: 24
by Demon » Sat Mar 07, 2009 11:25 am
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I want to make a paintball gun with an compressed gaz bottle to give air power, but what gas use? (they all cost 5 $ for 14 oz)

-Propane

-Mapp...

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practically, HPA doesn't vary with pressure. A drop in temperature from room temp to freezing will decrease the pressure by ~7%, where as with...
24 Replies

5485 Views

Last post by Lentamentalisk
Sat Mar 07, 2009 2:48 pm

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