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

1125849 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...

Last post

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

552723 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

821506 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

967592 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

375101 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

92479 Views

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

Topics

Look Ma, no valve!

Last post by mark.f
Replies: 37
by LeMaudit » Sun May 17, 2009 6:50 pm
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Hi,

While working on the internal design of my handgun, I had an idea. I am sure many had it before, but anyway here it is (couldn't find anything...

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Yeah, I had one lying around, and I was curious myself.
37 Replies

13746 Views

Last post by mark.f
Sat Jun 06, 2009 7:54 pm
Piston and boltaction diagram

Last post by john bunsenburner
Replies: 29
by john bunsenburner » Sun May 31, 2009 6:48 am
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Well now I have my lathe I also have the finalized idea for my first gun. the diagram may seem a little confusing as it has no labeling an dis hand...

Last post

well that is in a perfect world with perfect fitting barrels and diameters...
29 Replies

12954 Views

Last post by john bunsenburner
Sat Jun 06, 2009 4:30 pm
Tennis ball launcher help

Last post by Kai
Replies: 8
by Kai » Fri Jun 05, 2009 10:14 pm

First post

HI, i am working toward a semi auto tennis ball launcher. My ideas are a barrel sealing w/ a blow forward loader or a quev w/ a blow forward loader....

Last post

i went to home depot and changed back to the piston.

8 Replies

8864 Views

Last post by Kai
Sat Jun 06, 2009 2:59 pm
full auto questions

Last post by spot
Replies: 6
by cannon monkey » Fri Jun 05, 2009 3:08 pm

First post

ok im not too good with all of this i ran into this

and the first picture made me think

air gets filled into the chamber once around 115 the...

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To Thunderlord: I already suggested to make the bolt longer, so that it doesn't leak in the magazine. And the bolt HAS to seal, otherwise the chamber...

6 Replies

2865 Views

Last post by spot
Sat Jun 06, 2009 6:57 am
making a magazine

Last post by i-will
Replies: 10
by maverik94 » Thu Jun 04, 2009 12:27 pm

First post

Ok, for my single action 4.5 mm rifle, I am considering making a magazine so all I have to do is pump, shoot, pump, shoot, etc. I am thinking of...

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the sleeve thing has been done a few times before. so, as i said, don't reinvent the wheel. i make it a point not to contradict myself. so far i'm...

10 Replies

4479 Views

Last post by i-will
Sat Jun 06, 2009 1:27 am
Compact Tennis ball "Antenna Launcher"

Last post by Lentamentalisk
Replies: 11
by Lentamentalisk » Sun May 17, 2009 7:29 pm

First post

I have come up with some designs for a super compact tennis ball launcher, whose main purpose is pulling a fishing line over a building/tree/what...

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Alright everyone, another update here.
My most recent setup:

Notice the current setup is for use with my fridge compressor, but the fitting...

11 Replies

9045 Views

Last post by Lentamentalisk
Fri Jun 05, 2009 9:48 pm
Can sprikler valves be used on semi auto?

Last post by Kai
Replies: 24
by Kai » Thu Jun 04, 2009 7:08 pm
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I am pursuing a dream to have a semi auto tennis ball gun, my first question, is, what diameter pvc fits tennis balls? Then, If i put a sprinkler...

Last post

sorry ive been gone, i just had to go to my sister graduation and then out to eat. Sitting while they call 450 names sure aint fun. as for golf...
24 Replies

6301 Views

Last post by Kai
Fri Jun 05, 2009 9:24 pm
Check out this patent.

Last post by THUNDERLORD
Replies: 15
by Solar » Mon Jun 01, 2009 10:35 pm
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Isn't this old technology? i.e. prior art that isn't patentable? What is so different about this?

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.. Often hidden to Sell to investors. This is FRAUD. Getting a patent is often tried to sell the patented idea to investors when the idea will never...
15 Replies

5401 Views

Last post by THUNDERLORD
Fri Jun 05, 2009 7:05 pm
irate

Last post by jrrdw
Replies: 6
by Mike_Hunt0420 » Fri Jun 05, 2009 2:12 pm

First post

I finished the coaxial I had mentioned building the other day, dropped it and broke it... it was ok, not a very clean build but I like it. little...

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You should have put up pictures asking ways to fix it in stead of putting up a leaving post. That way I wouldn't have locked this thread and you...

6 Replies

2178 Views

Last post by jrrdw
Fri Jun 05, 2009 4:21 pm
Mini Air Cannon v2

Last post by inonickname
Replies: 10
by aaron181 » Fri Jun 05, 2009 4:59 am

First post

This is my 2nd mini air gun i think its better than my other one that everyone HATED :) i don't care but its only a bit of fun - hope you enjoy this...

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A spring to open the ballvalve quickly (and a sear to stop it firing prematurely) would be a decent upgrade, and improve velocity and accuracy....

10 Replies

3663 Views

Last post by inonickname
Fri Jun 05, 2009 9:39 am
Paintball Tank?

Last post by ssgnort
Replies: 12
by Foxx » Thu Jun 04, 2009 3:50 pm

First post

Hey guys, I have been thinking about how to make it easier to fill my pneumatic gun. Anyway, my question is, how would you go about connecting a...

Last post

I agree use a palmer regulator. This is the setup i used.

Works well for me.

12 Replies

4152 Views

Last post by ssgnort
Thu Jun 04, 2009 8:39 pm
The fail pressure of a Schrader valve?

Last post by Gippeto
Replies: 42
by Mitchza89 » Mon Jul 21, 2008 8:08 pm
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Howdy gunners,

I'm thinking about using a schrader valve valve as a check valve for my high pressure pump. I plan on going up to 600+psi. How much...

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I'm not sure what you mean?

Each half of a quick connect has threads for mounting, so you'll need threaded ends on your hose, etc. anyway. So if you...
42 Replies

13434 Views

Last post by Gippeto
Thu Jun 04, 2009 1:50 pm
Resleeved DD1... And Fluting question...

Last post by Technician1002
Replies: 7
by jeepkahn » Tue Jun 02, 2009 12:27 pm

First post

I never realized until the other day that I originally sleeved DD1 with sdr26 into sch80, and because of this the sdr had started cracking due to the...

Last post

Actually, that might work you just have to try it.

The use of spreaders expands the triangle volumes and increases rigidity by reducing the amount...

7 Replies

2537 Views

Last post by Technician1002
Thu Jun 04, 2009 11:49 am
Poops First gun

Last post by far_cry
Replies: 3
by awkward poop » Mon Jun 01, 2009 8:39 pm

First post

Hey guys this is my first ever attempt at making anything like this. umm well the diameter of the barrel is around 10mmish, air tank is a poly riser...

Last post

yeah piston valve is more good than the ball valve
i had experience this ,i had a ball valve with strong spring lot stronger than yours ,the open was...

3 Replies

3648 Views

Last post by far_cry
Wed Jun 03, 2009 6:33 pm
Regulators

Last post by psycix
Replies: 2
by Dave_424 » Wed Jun 03, 2009 7:17 am

First post

hey guys, just wondering, if I buy a 16 bar max input reg, can i still feed it with higher than 16 bar as long as I buy a full metal one?

Dave

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Depends... some can, some cannot. Metal doesnt matter that much, but it is better. If it fails, its most likely the diaphragm on the inside. Throwing...

2 Replies

1043 Views

Last post by psycix
Wed Jun 03, 2009 12:19 pm
800 psi cannon help

Last post by Mike_Hunt0420
Replies: 5
by Mike_Hunt0420 » Tue Jun 02, 2009 11:12 pm

First post

i've been posting about my 800psi repeater for a couple weeks now, I have the hpa tank and regulator I am having serious problems finding fittings...

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I will as soon as I can get to my computer, i've been surfing the net on my phone this whole time and mcmasters won't load on it. once again thanks...

5 Replies

1704 Views

Last post by Mike_Hunt0420
Wed Jun 03, 2009 11:52 am
ergo Piston gun

Last post by inonickname
Replies: 15
by Cosmic Muffin » Sat May 30, 2009 10:52 pm
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Gday all.

this is my piston rifle, made entirely from brass and galvanized steel fittings (minus the PVC elbow, getting rid of that). i think i...

Last post

If you fill slowy and your piston has a spring behind it then this is entirely possible.

Once again, thank you JSR. Would 100psi be too fast to...
15 Replies

4144 Views

Last post by inonickname
Wed Jun 03, 2009 3:54 am
MIKE (HP Marble Gun)

Last post by jmadden91
Replies: 39
by VH_man » Tue Jul 29, 2008 9:37 pm
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After the Completion of my Shock Pump I decided I needed a High-powered Cannon to go with it. I also have wanted to make an O-ringed piston, and to...

Last post

yeh sorry mate i was talking about the sealing face originally. I was way off haha
39 Replies

16777 Views

Last post by jmadden91
Wed Jun 03, 2009 12:30 am
GGDT too optimistic?

Last post by JDP12
Replies: 4
by JDP12 » Tue Jun 02, 2009 9:29 pm

First post

Hey all- I've been runnin GGDT simulations to try and simulate the paintball launcher, and am wondering if its too optimistic.

For some reason, i...

Last post

hahahaahah....

it just seems like way too good for a volume of 3.5 cubic inches.

Guess I'm just stupid....

First chamber will be out of steel......

4 Replies

477 Views

Last post by JDP12
Tue Jun 02, 2009 9:48 pm
proper piston fit and seal

Last post by JDP12
Replies: 2
by JDP12 » Tue Jun 02, 2009 8:34 pm

First post

Hey all-

I've got to make the piston for my undermount paintball launcher, and it is a toolies valve. IT's in a 1.25 galvanized nipple, and seals...

Last post

cool.... thanks...

I was going to build this in steel, but if that GGDT is correct I may just use PVC... way lighter for its purpose... Only...

2 Replies

627 Views

Last post by JDP12
Tue Jun 02, 2009 9:41 pm
bringing up an older topic...PVC barrels with CO2

Last post by JDP12
Replies: 7
by JDP12 » Mon Jun 01, 2009 6:58 pm

First post

hey all-About a year ago I made a topic about using PVC as a barrel with CO2, and it kind of died because I didn't really need it anymore..

But now...

Last post

no the coaxial part is steel... only the barrel is PVC. its hard to explain.

Thanks guys, this should help alot

7 Replies

2194 Views

Last post by JDP12
Tue Jun 02, 2009 3:17 pm
3600 psi rated sodastream bottle semi-automatic

Last post by Dave_424
Replies: 4
by Dave_424 » Sun May 31, 2009 8:58 am

First post

Hey guys, i found a sodastream bottle this morning

it says TP 3600 psi which i'm pretty sure is Test pressure 3600 psi .

Anyway, where the burst...

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yeah i know that you shouldn't go near the test pressure. I would have to keep my pressures to around 500 max becuase I am using a 16BAR slide check...

4 Replies

12939 Views

Last post by Dave_424
Sun May 31, 2009 10:58 am
first piston valve

Last post by cannon monkey
Replies: 8
by cannon monkey » Sat May 30, 2009 2:23 pm

First post

all metal using an old c02 tank hot gule piston leaks a little need help
would hot glue fix the leak for low pressure 20 to 100 psi

Last post

just a nail this last picture of the broken hose barb i did use the mico mode ( the flower) i need more practice taking pictures but ya i got bored...

8 Replies

1852 Views

Last post by cannon monkey
Sun May 31, 2009 9:34 am
My subminiature gun concept stage

Last post by inonickname
Replies: 10
by gunzz » Sat May 30, 2009 6:32 am

First post

^new to the forum, not to pneumatics. seems like a nice place here!

so i'm thinking about building a very small gun that shoots spitless spitwads...

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It depends on the calibre, I would say that at 300 psi a blowgun is more than adequate for 6mm calibre or below in terms of power and gives you the...

10 Replies

3254 Views

Last post by inonickname
Sun May 31, 2009 12:22 am
Australian seller of parts

Last post by tghhs
Replies: 3
by tghhs » Wed May 27, 2009 12:03 am

First post

Hey guys i duno if there's a better place to post this but i just had to let all the Aussi spudders know about this shop. This in only of interest to...

Last post

Hey guys yeah i went in, mm crap lol

3 Replies

1258 Views

Last post by tghhs
Sat May 30, 2009 9:34 pm

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