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

1125876 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

552751 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

821511 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

967626 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

375112 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

92481 Views

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

Topics

CO2 mortar

Last post by irisher
Replies: 32
by colty-bear » Sun Apr 19, 2009 5:28 pm
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this is my take on how to make a cool co2 canister mortar

just drop in barrel

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The AirForce hand pump does not heat up with constant use I believe the link already addresses the issue of heating.
32 Replies

13756 Views

Last post by irisher
Sat May 30, 2009 12:49 pm
mental block :(

Last post by inonickname
Replies: 5
by cannon monkey » Thu May 28, 2009 9:56 pm

First post

i have 2 tanks idk wat they are called ... safty rated on a long got to be about 2 feet long 2 inchs around..rated 300 psi... ( i got 3 of these )...

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arent scuba tanks rated about 300 psi?

...Try a slightly higher digit.

Make giant steam rockets.

5 Replies

1740 Views

Last post by inonickname
Sat May 30, 2009 6:41 am
airpump and sprinkler valve......

Last post by Technician1002
Replies: 10
by boom_o_matic_2.0 » Tue May 26, 2009 11:39 am

First post

well today I bought a manual bike pump so I can have my cannon portable...its my rifle. valved by a sprinkler valve...the only problem is when I try...

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after alot of work. lol. who knew 80 psi would take that long to pump up.

:D Raises hand.. It's the reason the 2 inch was never tested above 85...

10 Replies

2212 Views

Last post by Technician1002
Sat May 30, 2009 12:11 am
Pneumatic Plans

Last post by spudtyrrant
Replies: 8
by mikemurph » Wed May 27, 2009 12:15 pm

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I'm crossing over to the pneumatic side, I've got my sprinkler valve modified and my plans are all drawn up, tell me what you think about this gun...

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Boiling water is not hot enough for most PVC bending. You need to heat PVC to the point it becomes like a garden hose. ] boiling water seems to work...

8 Replies

3131 Views

Last post by spudtyrrant
Thu May 28, 2009 9:47 am
pneumatic cartridge using pistion system - simple ?

Last post by Moonbogg
Replies: 7
by carter » Wed May 27, 2009 11:26 pm

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i havent really been on here in a while so sorry if this has been thought of :)

i've thought about ways of making a cartridge loaded cannon for a...

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It seems like a lot of work to have several fully functioning chambers with pistons and pilots etc. How about making the chambers, or cartridges,...

7 Replies

2995 Views

Last post by Moonbogg
Thu May 28, 2009 2:50 am
high pressure piston help

Last post by jmccalip
Replies: 11
by spudtyrrant » Wed May 27, 2009 11:52 am

First post

i made a metal piston gun it worked great for about 3 shots :cry: and then the wood piston i had made broke so you guys have any ideas for a piston...

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Give me $2 for shipping and i'll mail you a small piece of either 1 or 2 HDPE. I bought the wrong size, so I'm not using them.

11 Replies

3887 Views

Last post by jmccalip
Wed May 27, 2009 6:56 pm
paintball tank for bbmg

Last post by jackssmirkingrevenge
Replies: 15
by mach10 » Tue May 26, 2009 10:19 am
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What tipe of threads does a paintball tank have? I want to have one as the air supply on a bbmg. I'm planing to make.

Last post

Does anyone know if this is adjustable how to hook up to bbmg?

From the specs it does not seem adjustable, I'm guessing it puts out somewhere in...
15 Replies

4926 Views

Last post by jackssmirkingrevenge
Tue May 26, 2009 11:27 pm
breech loading golf ball barrel questions

Last post by Technician1002
Replies: 4
by jmccalip » Fri May 22, 2009 6:24 pm

First post

I have the SDR21 sleeved in schd80 2 PVC. I was thing of doing a simple breech where I cut a hole for the ball, drop it in, and slide a coupling over...

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As tech mentioned about the compression coupling, I came across this company;

It appears most local hardware stores carry this brand, King...

4 Replies

2009 Views

Last post by Technician1002
Tue May 26, 2009 7:57 pm
valve question

Last post by boom_o_matic_2.0
Replies: 22
by Mike_Hunt0420 » Sun May 24, 2009 8:02 pm
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can any offer suggestions on a piston valve design that can handle 600-800 psi without machining a teflon piston? I don't have the tools to machine...

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yea it probably was. lol. sorry.
22 Replies

4751 Views

Last post by boom_o_matic_2.0
Tue May 26, 2009 11:31 am
Sprinkler valve limit

Last post by c11man
Replies: 12
by hatssold » Wed May 20, 2009 9:52 pm

First post

I just near-finished my first pneumatic which was a standard over-under design with a pressure gauge (will post cannon later).

Specs:

2 x3' Air...

Last post

what?

what does tempature and gas have to do with teflon tape or any part of this discussion?

12 Replies

3557 Views

Last post by c11man
Tue May 26, 2009 7:44 am
SGA Golf ball Gun (2" Piston), 400yards!

Last post by jei93
Replies: 91
by MrCrowley » Tue Jul 03, 2007 2:13 am
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Well im finally done with my latest cannon, 6months on from my last.

Its called SGA (Schutz Gewehr Assault) And yes I know what it means.
At the...

Last post

kk.. Thanks alot matey!!!
91 Replies

52510 Views

Last post by jei93
Mon May 25, 2009 6:56 am
Air Force testing Eclipse

Last post by Ragnarok
Replies: 25
by Solar » Sat May 23, 2009 10:17 pm
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Much more when I get back from DC. Lots of good news.

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@boom_o_matic_2.0: Can you avoid using the word weapon? It might have some appropriateness in this case specifically, but it's not a term that's ever...
25 Replies

6102 Views

Last post by Ragnarok
Sun May 24, 2009 8:32 pm
Chimmy Chonga Piston Cannon

Last post by Technician1002
Replies: 16
by jmeyer1022 » Wed Apr 15, 2009 5:58 pm
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I couldn't think of another name so I figured I'd go with a simple yet fun burrito name. Anyways here's my cannon

Specs:
2 Piston 1.5 porting
2' x 3...

Last post

The honk isn't from the cannon itself firing. Some reason when filling it honks fast and is fine from there out. Thanks for the comments again. I've...
16 Replies

8102 Views

Last post by Technician1002
Sun May 24, 2009 11:20 am
Too large of a pilot valve?

Last post by Technician1002
Replies: 17
by deathbyDWV » Thu May 21, 2009 3:45 pm
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I was wandering if anyone knew if the pilot valve for my four inch co-axial could possibly be too big? At first when i was making it it wouldn't work...

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Tech;
I do concur with you that he may have more of a piston problem than anything.

He is using a 3/8 fitting that screws into the sprinkler valve...
17 Replies

3377 Views

Last post by Technician1002
Sun May 24, 2009 11:14 am
PCP Guns

Last post by maverik94
Replies: 31
by maverik94 » Fri May 15, 2009 5:02 pm
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I have heard of a kind of gun called a PCP gun. I looked it up on wikipedia and found out it stands for PreCharged Pneumatic. However, I hav looked...

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well, the crossman design i'm basing mine off of has just a hammer valve, and I think Ive got a pretty good design, but thanks!
31 Replies

33321 Views

Last post by maverik94
Sat May 23, 2009 10:49 pm
filling a piston

Last post by jmccalip
Replies: 5
by covey12 » Sat May 23, 2009 8:35 pm

First post

is a rapid amount of air need to fill a 2 piston, because i have the feeling my bike pump is not putting out enough air to even push the piston,...

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Well, my 3 piston uses a homemade check valve, and that seems to do the trick. I have not tried it with a bike pump, but it can fill with almost no...

5 Replies

1975 Views

Last post by jmccalip
Sat May 23, 2009 10:03 pm
Metadyne Havoc+an introduction

Last post by dirker88
Replies: 10
by dirker88 » Fri May 22, 2009 11:57 pm

First post

First of all id like to introduce myself to you guys im dirker88 also let me tell a little bit about myself. I love kittens,participating in...

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plus two of every thing is better than one.
I dunno. I would have said two amputations were probably worse than one... :tongue3:

oops i said that...

10 Replies

3775 Views

Last post by dirker88
Sat May 23, 2009 12:10 pm
I need a favor from anyone who uses HPA or nitrogen tanks

Last post by jackssmirkingrevenge
Replies: 3
by jmccalip » Fri May 22, 2009 10:16 pm

First post

How cold is the gas when it exits the tank? Specifically, I want to fill through a shrader valve with a chamber volume of 7 gallons.

It would be...

Last post

How cold is the gas when it exits the tank?

Very ;)

3 Replies

1706 Views

Last post by jackssmirkingrevenge
Sat May 23, 2009 12:47 am
fire extinguisher max pressure

Last post by john bunsenburner
Replies: 25
by daniel.loechle » Sun May 17, 2009 9:44 am
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Hi, well i am new in tis forum but i alreday posted my first gubn in an european forum but thers not much traffic i think.

So question is how much...

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Oh, i am really stupid, and english not my favorite language. Its an O2 bottle for welding but filled with air for diving. So there is no reason to...
25 Replies

13672 Views

Last post by john bunsenburner
Fri May 22, 2009 6:01 am
My pneumatic plans

Last post by daniel.loechle
Replies: 9
by daniel.loechle » Wed May 20, 2009 6:42 am

First post

First some pics:

here u can se the evolution^^ of my aur gun projekt. Now some informations, i got an fridge compressor so i can pump up high...

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I would love to use GGDT, but i use a mac os. GGDT dont work on appel computers. Hm i am planing to use an 1,2 meter battel inner diamater 12 or 10...

9 Replies

2935 Views

Last post by daniel.loechle
Thu May 21, 2009 2:34 pm
Blowgun mod and 2nd Pneumatic

Last post by Carlman
Replies: 4
by hatssold » Thu May 21, 2009 1:24 am

First post

I'm thinking of attempting to make my own blowgun for a sprinkler valve....Blowguns seem kind of limited due to their limited exhaust port. I know...

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I sugest you make a 1.5 barrel sealer. 2 T with 1.5 porting (you can reduce down if you use threaed fittings afterwards) so you can shoot golfballs...

4 Replies

1967 Views

Last post by Carlman
Thu May 21, 2009 11:50 am
marblematic mk 3

Last post by joe blogs
Replies: 10
by joe blogs » Fri May 15, 2009 5:39 am

First post

This is my latest installment (made about 4 months ago but wanted to credit it the proper writeup) . the spec are

# 50mm chamber 60cm chamber
#40 mm...

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Hey all, I'm in a tight financial spot with my latest combustion cannon. I have decided to sell this marble sniper and an assortment of fittings,...

10 Replies

6088 Views

Last post by joe blogs
Thu May 21, 2009 12:45 am
D-cell Cannon

Last post by deathbyDWV
Replies: 5
by deathbyDWV » Tue May 19, 2009 4:02 pm

First post

Hello again. This cannon is one that i completed a couple months ago. It was also my first pneumatic cannon. I got the idea first from clide and his...

Last post

Yeah it really isn't that heavy. I am working on a stand for it but still need to buy the saddle and some bolts. How i positioned the trigger at the...

5 Replies

2170 Views

Last post by deathbyDWV
Wed May 20, 2009 4:11 pm
Blow Guns

Last post by jrrdw
Replies: 5
by jmadden91 » Wed May 20, 2009 7:24 am

First post

Hey sorry guys just a quick one. Can blow guns like the one pictured, be connected backwards so the air comes in through the nozzle (obviously...

Last post

I'll just lock it, theres a bunch of these threads all ready.

5 Replies

1649 Views

Last post by jrrdw
Wed May 20, 2009 8:23 am
Designing a handgun for .22 calibre

Last post by Carlman
Replies: 6
by JDP12 » Mon May 18, 2009 8:37 pm

First post

Hey all- I've been dissatisfied with most of my guns, with the realization that what I really want is a handgun style gun. One that is the same size...

Last post

What i am planning on doing is full auto qev popoff, mag perpendicular to the barrel pistol. Running off helium from a backpack tank. All enclosed in...

6 Replies

2712 Views

Last post by Carlman
Tue May 19, 2009 8:33 am

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