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

927749 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

452806 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

471140 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

638408 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

332422 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

80313 Views

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

Topics

Homemade 3 way valve question

Last post by POLAND_SPUD
Replies: 18
by qwerty » Sun Aug 15, 2010 8:06 am
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This is directed at the 3 way valve makers, Do you think a homemade 1/2 DCV would have enough power itself to propel a .25g airsoft bb at say........

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I suspect they might charge more than they do in the USA. I asked clippard if they have any distributors in Poland and they contacted me with Bibus...
18 Replies

7198 Views

Last post by POLAND_SPUD
Mon Aug 16, 2010 3:55 am
advanced coax M16 with granad lancher

Last post by wyz2285
Replies: 6
by wyz2285 » Wed Aug 04, 2010 4:05 am

First post

this is my latest airgun,equiped with a combustion granad lancher :D (my first combustion build :) )now olny need a nice paint job :D

Last post

the stock is pvc,but my thinking about some wood can do a better job.on fact this gun haven't be painted yet,the stock is painted because it's from a...

6 Replies

3914 Views

Last post by wyz2285
Mon Aug 16, 2010 3:01 am
piston valve golfball cannon.

Last post by inonickname
Replies: 11
by Stolly32123 » Sat Aug 14, 2010 8:06 pm

First post

Right now im in the middle (it should be the end) of making my first piston valve cannon. Unfortunately there was a leak in the glue because i used...

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No need to be rood MrCrowley. It is my first time and i had no instructions to follow. kinda.

He isn't being rude. he's speaking the truth. Why the...

11 Replies

3523 Views

Last post by inonickname
Mon Aug 16, 2010 1:06 am
Sealing face leaking at pressures above 200psi

Last post by A-98
Replies: 2
by A-98 » Sat Aug 14, 2010 4:12 pm

First post

This is an erroneous double post, in the process of remembering how to contact a mod to remove it.

Last post

Oh my. It appears this is a double post. When I originally posted, I got an error, and upon inspection didn't see that a post was created. Apparently...

2 Replies

1978 Views

Last post by A-98
Mon Aug 16, 2010 1:01 am
Self-Contained Pneumatic Pistol

Last post by Lockednloaded
Replies: 33
by Lockednloaded » Sun Aug 01, 2010 4:42 pm
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This is my latest project, a self-contained pump pistol.

I'm very happy with the results this thing has yielded, but to my dismay, the 5/16 barrel...

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no, The one I'm talking about has a 12g co2 cartridge adaptor as the chamber connected directly to the QEV, I can't find it ATM, but i believe it was...
33 Replies

12896 Views

Last post by Lockednloaded
Sat Aug 14, 2010 1:37 pm
Some awsomly cheap deals that deserve their own thread

Last post by jrrdw
Replies: 9
by killerbanjo » Fri Aug 13, 2010 12:20 am

First post

All of these items have free worldwide shipping...

Large Butane Iron-melting Torch (3000'C) - $10.66

4x20 Rifle Scope - $6.77

Electronic High...

Last post

Good deals are good deals, it's some what different for every one, we all have our own opinion.

That being said we do have a thread just for this...

9 Replies

4809 Views

Last post by jrrdw
Fri Aug 13, 2010 7:03 am
Pressure washer handle

Last post by Hubb
Replies: 8
by Leonard » Thu Aug 12, 2010 3:59 pm

First post

Hello guys!

Just a quick question on pressure washer handle. Im looking to use one of these to pilot a QEV, but im hesitating on two different...

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The inlet for the first is through the bottom. Hooking it up in reverse will cause it to leak and may damage some seals. I've used pressure washer...

8 Replies

2924 Views

Last post by Hubb
Fri Aug 13, 2010 6:01 am
Cheap 175psi pop-off valves!

Last post by jrrdw
Replies: 3
by killerbanjo » Wed Aug 11, 2010 10:07 pm

First post

^^^ seems cheap to me!

Last post

Link was moved to good deals thread.

3 Replies

1321 Views

Last post by jrrdw
Thu Aug 12, 2010 8:47 am
Parker 3 way solenoid valve Giveaway

Last post by POLAND_SPUD
Replies: 2
by Leonard » Wed Aug 11, 2010 4:12 pm

First post

Hey guys!

Long time not been on this forum. I'v been on other projects for the past few months, but i recently started a new pneumatic launcher...

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Can't you just get another solenoid for the valve you have ?? normally they are separate parts

The pilot on that valve is not like pilot side on...

2 Replies

1513 Views

Last post by POLAND_SPUD
Thu Aug 12, 2010 12:04 am
could this work

Last post by jrrdw
Replies: 8
by itsnotmyblood » Wed Aug 11, 2010 2:57 pm

First post

say you have a barlle sealling piston cannon. if you make the piston auto sealling and make a floating o-ring ram rod. could you pump your cannon...

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Yea this is just headed to a bad place...

8 Replies

5102 Views

Last post by jrrdw
Wed Aug 11, 2010 7:34 pm
Maverik94 Needs a Project Idea

Last post by maverik94
Replies: 5
by maverik94 » Sat Aug 07, 2010 7:31 pm

First post

Ok, so here's the deal. This summer has been a summer of ups and downs, and it's almost over (school starts in less than 2 weeks). I haven't done too...

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Cool! I would like to build me something of that nature when I find the time!

5 Replies

1936 Views

Last post by maverik94
Wed Aug 11, 2010 10:20 am
DCV valve Identification and additional queries

Last post by POLAND_SPUD
Replies: 8
by maxturbo211 » Tue Aug 10, 2010 7:56 pm

First post

ok, i'm not exactly new to the field of pneumatics but I recently came into a few DCV's of all the same make and model. they seem to be 5,2 valves,...

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well if the supplier has the valves, then he probably has the subplates too

Personally, I think you should choose a model with threaded ports. Also...

8 Replies

1369 Views

Last post by POLAND_SPUD
Wed Aug 11, 2010 3:43 am
€15 high power pneumatic pistol

Last post by sas380
Replies: 20
by alwinovich » Sat Jan 10, 2009 3:01 pm
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my goal was to make a pneumatic pellet pistol
1for under €30 that was
2easy to operate
3looked clean
4was accurate and above all
5could easily...

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hey alwinovich i like the design simple and effective,i just have one question is your system strong enough to propel blowdarts? thx in advance (they...
20 Replies

10245 Views

Last post by sas380
Tue Aug 10, 2010 8:49 pm
Golfball cannon questions.

Last post by BeaverRat
Replies: 7
by Stolly32123 » Tue Aug 10, 2010 6:05 am

First post

This weekend im making a simple pneumatic golfball cannon. What i want to know is what the minimum volume/length my pressure chamber needs to be to...

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A great piston material for a 2 inch piston valve is 2 inch UHMW Plastic Rod from McMaster... The ID for 2 inch SCH 40 PVC is 2.047, so a 2 inch rod...

7 Replies

3067 Views

Last post by BeaverRat
Tue Aug 10, 2010 7:47 pm
Diaphram gets stuck down (modded sprinkler valve)

Last post by Ublind
Replies: 6
by Ublind » Sun Aug 08, 2010 10:02 pm

First post

I created a pneumatic spudgun with a 3/4 in. LawnGenie sprinkler valve on it (with guide rod.) Because of the guide rod, I inserted the blowgun...

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I already put some grease on it, so I cleaned the diaphram and stretched out the spring so more pressure is pushing up on the phram and now it works...

6 Replies

2838 Views

Last post by Ublind
Mon Aug 09, 2010 7:28 pm
Maverik94 Needs a Project Idea

Last post by Gippeto
Replies: 10
by maverik94 » Sat Aug 07, 2010 7:33 pm

First post

Ok, so here's the deal. This summer has been a summer of ups and downs, and it's almost over (school starts in less than 2 weeks). I haven't done too...

Last post

And yeah, I'm thinking I will probably just go with something like that. I have some 1/2 copper pipe that is just screamin' to be used as a barrel....

10 Replies

4018 Views

Last post by Gippeto
Sun Aug 08, 2010 11:54 pm
Piston valve size

Last post by MrCrowley
Replies: 14
by Ragnarok » Sat Aug 07, 2010 8:38 am

First post

I thought I'd open this one up for discussion.

Piston valve sizes usually get listed one of two ways.
a) By barrel port diameter.
b) By piston...

Last post

Hmm yeah I guess you are right. To save time we could start describing piston valves with a fashion such as: 1.7 x2 x3 , meaning it has a 1.7 seat, 2...

14 Replies

2772 Views

Last post by MrCrowley
Sun Aug 08, 2010 6:26 pm
Performance loss of remote activation?

Last post by ramses
Replies: 6
by BeaverRat » Sat Aug 07, 2010 1:29 am

First post

Hello,

I just completed a 1 inch piston valve with 3/4 inch porting (will be in showcase soon), but I would like to place the trigger at different...

Last post

Technically, the 1 sprinkler valve has a larger port diameter than the piston valve.

no performance loss.

6 Replies

1233 Views

Last post by ramses
Sat Aug 07, 2010 3:40 pm
Supersonic Airsoft BB's Take 2

Last post by Dave_424
Replies: 12
by Dave_424 » Fri Aug 06, 2010 9:55 am

First post

Well, Im back with a new valve I machined myself for my .25 Gunpower stealth airgun.

Decided to shoot some airsoft BB's and see how fast they were...

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Well..... up to the size that the launcher could effectivley launch the Chrony with its muzzle blast, my statement stands.

Maybe it is dirt/debris...

12 Replies

3954 Views

Last post by Dave_424
Fri Aug 06, 2010 1:09 pm
.22 QEV Air Rifle

Last post by qwerty
Replies: 20
by qwerty » Thu Aug 05, 2010 10:06 am
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Just a quick mashup of random unused parts. Basicly it's a 1/2 QEV piloted with a 1/4 blowgun, chamber is 22mm copper and the barrel is 6mm...

Last post

Thanks MIHNV. (YouTube name)
20 Replies

7440 Views

Last post by qwerty
Fri Aug 06, 2010 4:00 am
Where to start: Pneumatic Airsoft Gun

Last post by jackssmirkingrevenge
Replies: 28
by BeaverRat » Fri Jul 16, 2010 2:59 am
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Hello,
As of now I have made a 2 inch piston valve cannon, and a 3/4 inch sprinkler cannon, but recently I have had the urge to make a small caliber...

Last post

Estubo en Castilla y Leon, y si tienes razon, no es muy educado hablar en español - y por otras preguntas si quieres podemos hablar por

As maklaw...
28 Replies

11569 Views

Last post by jackssmirkingrevenge
Thu Aug 05, 2010 2:47 pm
Best 3/4 Bore Cannon Possible

Last post by clemsonguy1125
Replies: 23
by BeaverRat » Fri Jul 30, 2010 2:32 am
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Hello,
I have a couple questions for you guys here... I will be making a cannon with a 3/4 inch barrel, and a 2 inch chamber. I am wondering what the...

Last post

A spring, tennisball, foam backer rod, silicon or rubber tubing anything that will absorb the force
23 Replies

5086 Views

Last post by clemsonguy1125
Wed Aug 04, 2010 11:56 pm
confetti cannons

Last post by urgle the danish cow
Replies: 8
by urgle the danish cow » Tue Aug 03, 2010 4:24 pm

First post

my brothers children live in the midwest and there is a sport/choir thingy there called show choir where about 50 kids sing and do extreme dancing in...

Last post

technician the lights are very high above and in front of the stage so that wont be a problem

clemsonguy that is a good idea. i would like some...

8 Replies

1900 Views

Last post by urgle the danish cow
Wed Aug 04, 2010 1:15 pm
Piston valve question

Last post by Technician1002
Replies: 9
by Gun Freak » Tue Aug 03, 2010 2:47 pm

First post

I am designing a coaxial piston valve and (I'm gonna sound like a noob here lol :lol: ) the chamber is 1 and the barrel is airsoft sleeved in half...

Last post

For a piston to move, there must be a force on it in the direction of the desired motion. This force must exceed the friction (there is always some...

9 Replies

1760 Views

Last post by Technician1002
Wed Aug 04, 2010 5:32 am
Need help deciding on a pump

Last post by FighterAce
Replies: 71
by Gun Freak » Sun Jul 18, 2010 8:09 pm
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I made that fire extinguisher tank the other day. Now, I need a mobile way to pump it up when I run out in an airsoft war. A bike pump is too big......

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Yeah but a stirrup pump is too big to carry around, otherwise I would just carry around my backpack and we wouldn't be having this conversation :)...
71 Replies

23663 Views

Last post by FighterAce
Tue Aug 03, 2010 4:46 pm

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