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

900263 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

437707 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

371930 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

615590 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

327601 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

78044 Views

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

Topics

Semi-auto piston under constant air flow.

Last post by Antonio
Replies: 15
by Leonard » Sat Aug 09, 2008 7:45 pm
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Hey guys! Just a quick question for you and hopefully some inspiration if there is anything new in what i am presenting.

The air input in this...

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Some nice ideas here! I am looking forward to the results:) I am not having that much luck with a automatic gun.... kinda sucks. But yeah pistons are...
15 Replies

5203 Views

Last post by Antonio
Wed Aug 13, 2008 10:31 am
Big or Small Fitting = Power?

Last post by starman
Replies: 5
by DrowningTrout » Fri Aug 08, 2008 6:55 pm

First post

Hello!

I made a pneumatic cannon last month to shoot 1.75 easter eggs. I found it to be a little over kill for what I needed.

(Its CO2 Powered...

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Correct Sully, thats just what starman was talking about.

Thanks Dab. Yeah make the 180 section part of the tank.

5 Replies

1705 Views

Last post by starman
Tue Aug 12, 2008 9:34 pm
m72 nerf launcher

Last post by martyr_maker
Replies: 22
by martyr_maker » Thu May 15, 2008 5:24 pm
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ok guys im really excited. I just secured an inert m72 law tube to use for airsoft. For those of you who don't know what an m72 is....

So now its...

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I have everything in the drawing above assembled and the m72 tube gutted but i just cannot get the piston valve to work. I made the piston out of a 1...
22 Replies

8917 Views

Last post by martyr_maker
Tue Aug 12, 2008 8:12 pm
sprinkler valve dwell

Last post by F.E.A.R._Sniper
Replies: 8
by F.E.A.R._Sniper » Mon Aug 11, 2008 12:12 pm

First post

how low is it possible to set the dwell on a sprinkler valve?

9ms total open time?

i am just wondering for a project paintball rifle

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well my project is a paintball rifle with a sprinkler valve as the whole valve set up. i was gonna use a paintball board that i can adjust the dwell...

8 Replies

2466 Views

Last post by F.E.A.R._Sniper
Tue Aug 12, 2008 6:07 pm
Electric Sprinkler Valve and Bike pump filling

Last post by psycix
Replies: 13
by Backdraft » Sun Aug 10, 2008 2:38 pm

First post

Ok, so i got my cannon fully functional but heres my new issue.

I want it to be more portable so i can shoot it at like...the beach or something....

Last post

read my post psycix
And?

The ballvalve method may be better, and I know that, but I am just giving him an extra option. Repeating what you said...

13 Replies

3842 Views

Last post by psycix
Tue Aug 12, 2008 4:12 pm
New cannon question

Last post by sully4
Replies: 8
by sully4 » Tue Aug 12, 2008 1:49 pm

First post

I am looking to build my first air cannon and was hoping for help. I am Looking for something of smaller size but i can not pick a cannon. One of my...

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One more thing I just read about:
Will I be able to fill the chamber fast enough to close the valve? If i have a 2ft long 2 pipe?

8 Replies

1832 Views

Last post by sully4
Tue Aug 12, 2008 3:10 pm
Pressure Rated

Last post by psycix
Replies: 5
by DrowningTrout » Mon Aug 11, 2008 5:22 pm

First post

I made an order for some PVC fittings, but it did not say on the site if it was DWV, so I wanted to double check and asked if they were rated to...

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They always say its not for gas, since a blowing pvc pipe filled with gas does way more damage then one filled with water.

PVC is made for holding...

5 Replies

1790 Views

Last post by psycix
Tue Aug 12, 2008 2:59 pm
cannon idea need some help

Last post by frankrede
Replies: 12
by [insert name] » Sun Aug 10, 2008 2:09 pm

First post

so me and one of my friends are building our second pneumatic potato cannon, so we have a little experience. This time around we are going to run the...

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[quote= ]one more question how would we get the air from the air tank to teh ari chamber we were planning on running the air tank to a reg and then...

12 Replies

1221 Views

Last post by frankrede
Mon Aug 11, 2008 12:27 pm
Modding a 3/4" Sprinkler Valve?

Last post by FishBoy
Replies: 9
by FishBoy » Sun Aug 10, 2008 11:17 am

First post

sorry, quick question; is a 3/4 sprinkler valve as easy to modify as a 1 ?
I'm asking this because all the tutorials i see use 1

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thanks, to all who answered my question and thanks Mr. C

9 Replies

1323 Views

Last post by FishBoy
Sun Aug 10, 2008 7:52 pm
Completed Sniper Rifle

Last post by nivekatoz
Replies: 40
by koolaidman » Wed Apr 16, 2008 7:41 pm
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Hey, im finally finished with this gun. It works quite well and is very ergonomic. Most of it is pretty self explanitory. The schrader valve setup is...

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That is a really nice sniper cannon . I really dig the scope. I cant beleave that scope is homemade .It looks REALLY GOOD! :salute:
40 Replies

21230 Views

Last post by nivekatoz
Sun Aug 10, 2008 3:09 pm
Copper Fun Cannon!

Last post by Gippeto
Replies: 14
by SpudUke5 » Sat Aug 09, 2008 2:32 pm

First post

Aside from showing What i have been working on lately I finally completed it!!

Specs:
Barrel: 6 feet of 3/4 inch copper tube M rating
Chamber: 4...

Last post

Looking good! :)

Some options for the hose might be, regular compressor hose (300psi rated) or hydraulic hose (rated at more than you will ever...

14 Replies

5839 Views

Last post by Gippeto
Sun Aug 10, 2008 3:07 pm
orbits 1inch sprinkler valve

Last post by stevenarroyo
Replies: 11
by stevenarroyo » Sun Aug 10, 2008 8:23 am

First post

am planing on making a new bigger air cannon with 2 3inch 3 foot chambers and am going to use 2 of the orbits 1 inch sprinkler valve, i know to make...

Last post

all right thats good

thanks everyone for helping me

i well be starting to make my new master big air cannon maybe this week or next weekend

11 Replies

3303 Views

Last post by stevenarroyo
Sun Aug 10, 2008 11:35 am
Sprinkler Valve electrical issue

Last post by starman
Replies: 16
by Backdraft » Fri Aug 08, 2008 4:35 pm
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Ok, so i have been trying to get my gun to fire with 2 orbit watermasters using the electrical operation.

Problem is, that past about 70 psi they...

Last post

Based on BCs current ratings, it looks like you could reliably trip and hold 3 solenoids. For each solenoid, 9.6 w @ 24 v would therefore mean a 3.2...
16 Replies

5196 Views

Last post by starman
Sat Aug 09, 2008 11:57 am
Double Barreled Multishot Shotgun Concept

Last post by Zippster
Replies: 11
by Zippster » Tue Aug 05, 2008 8:12 pm

First post

Please note - I had this entire thing all typed out, and freakin explorer (this comp's stuck with it) crashed and lost the whole thing. So if I miss...

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Well, the QEV just came in from McMaster earlier today, and so far its extremely disappointing. It sucks. I can outdo this thing with a 1/2 ball...

11 Replies

3755 Views

Last post by Zippster
Fri Aug 08, 2008 5:54 pm
What type of hose

Last post by frankrede
Replies: 3
by Backdraft » Fri Aug 08, 2008 7:54 am

First post

Can anyone tell me what type of hose people use to link 2 air chambers together as one?

Also where can i get such hose? I go up to about 100-120...

Last post

Some hardware stores sell cuttable lengths of air compressor hose.

3 Replies

2246 Views

Last post by frankrede
Fri Aug 08, 2008 2:59 pm
pump action piston gun prototype (now with working magazine)

Last post by trollhameran
Replies: 19
by trollhameran » Tue Aug 05, 2008 3:32 pm
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made my first ever piston valve yesterday :D and I wanted to make it semi, so i looked around and came across Brians falling block mechanism, so I...

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That is very true...maybe I should start wearing a sweat band round my head just for the sake of looking cool :D

Ill look in to making a bottom mag...
19 Replies

5710 Views

Last post by trollhameran
Fri Aug 08, 2008 1:19 pm
Twin chamber Gun project help

Last post by Hubb
Replies: 7
by Backdraft » Wed Aug 06, 2008 12:04 am

First post

Hey guys, im not new here, just a new name. Been a while forgot what my old name was. i think it was jfd140 or something iuno.

Anyway, i gave up...

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Take the time and make a piston, piloted with a Watermaster. That will be worth it, too.

7 Replies

1804 Views

Last post by Hubb
Fri Aug 08, 2008 6:54 am
Mauler Cannon buildlog+teaser pics

Last post by brogdenlaxmiddie
Replies: 8
by frankrede » Fri Aug 08, 2008 12:11 am

First post

I have ordered a Mauler valve from Sgort for my newest cannon.
It has a 4 by 3' Chamber with countersunk and flush bushings on all the parts to match...

Last post

yeah I know. its pretty awesome!
my man made that!

Did you provide any engineering or logistical assistance in its construction?

Probably moral...

8 Replies

2272 Views

Last post by brogdenlaxmiddie
Fri Aug 08, 2008 1:27 am
Magazine Fed Coaxil BullPup (With Crappy Paint Picture)

Last post by trollhameran
Replies: 5
by TwitchTheAussie » Thu Aug 07, 2008 9:04 pm

First post

Well I went to Sydney Australia and got my usual paranoid n fidgety, overthinking self and this idea popped into my head. As we know the biggest let...

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If you chamber is large enough diameter in comparison to your barrel, you can have a t in your chamber with a reducer on it which goes down to the...

5 Replies

2485 Views

Last post by trollhameran
Fri Aug 08, 2008 1:01 am
my little air cannon

Last post by stevenarroyo
Replies: 16
by stevenarroyo » Wed Aug 06, 2008 6:50 pm
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i made this little air cannon just because i had the parts to make it.
am planing in painting it soon.

it was a 17 long 3/4 barrel
a 3/4 ball valve...

Last post

lol i do but some times
16 Replies

5367 Views

Last post by stevenarroyo
Thu Aug 07, 2008 9:06 pm
How do I....

Last post by jackssmirkingrevenge
Replies: 2
by Drawingninjas » Thu Aug 07, 2008 6:45 am

First post

ok, I used to be able to do this sort of thing about two years ago but i just stopped and now i want to start again because i cant remember how to do...

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These guys do mail order, so I hear ;)

2 Replies

738 Views

Last post by jackssmirkingrevenge
Thu Aug 07, 2008 1:29 pm
Tapping holes in fittings

Last post by Backdraft
Replies: 2
by Backdraft » Thu Aug 07, 2008 11:22 am

First post

I was wondering if it is safe to tape holes in 4 couplers? I want to put my quick connect for filling the tanks and my PSI gauge into the coupler on...

Last post

thanks that what i thought.

2 Replies

1093 Views

Last post by Backdraft
Thu Aug 07, 2008 11:38 am
Update 8/6/08 Damage pics and VIDEOS (yeah!) on page 5

Last post by Sticky_Tape
Replies: 71
by ImHUGEnJAPAN » Wed Apr 09, 2008 7:54 am
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UPDATE: 7/25/08 New pics on page 4 (primer stage)

I took my canon to the lake house last weekend to see how far I could shoot a potato out into the...

Last post

I was tring to catch you not being 20 somthing anyways cool website.
71 Replies

21574 Views

Last post by Sticky_Tape
Thu Aug 07, 2008 10:19 am
4" piston valve help.

Last post by Gippeto
Replies: 11
by JDP12 » Tue Aug 05, 2008 4:50 pm

First post

I'm starting work on my massive t-shirt launcher, with a 4 tee serving as the piston housing, but I'm lookin for some tips on the piston itself- any...

Last post

Have you concidered somethng like this?

It pilots very nicely with a modded blowgun.

The idea could be scaled up to what you need.

11 Replies

1810 Views

Last post by Gippeto
Tue Aug 05, 2008 9:19 pm
need a valve

Last post by jrrdw
Replies: 9
by F.E.A.R._Sniper » Tue Aug 05, 2008 10:59 am

First post

ok, so here is the deal. I am working on a portable spud gun that is chambered in .68 caliber. I have everything built and this bad boy is ready to...

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Your options are wide open. Would like to see pictures of it, before suggesting a valve.

9 Replies

3053 Views

Last post by jrrdw
Tue Aug 05, 2008 4:37 pm

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