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

1201447 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

604826 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

857698 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

1020779 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

392549 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

100035 Views

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

Topics

sch 80 4 inch pipe.

Last post by frankrede
Replies: 12
by trae08 » Sat Sep 15, 2007 10:42 pm

First post

hey im trying to find a good place to get sch 80 4 inch pipe. obviously my home depot and lowes dosnt have it and i know about mcmaster but is there...

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hmm.
Interesting, usually the larger daimeters have lower ratings.
maybe I am thinking about 1.5 sch-40

12 Replies

2339 Views

Last post by frankrede
Sun Sep 16, 2007 11:23 pm
preset regulators

Last post by pyrogeek
Replies: 6
by darkmilk » Thu Sep 13, 2007 8:08 pm

First post

does anybody know wher to get preset co2 regulators

Last post

That's actually cheaper than the regulators I've seen that are set to one specific pressure. They were somewhere around $100, if memory serves me...

6 Replies

2713 Views

Last post by pyrogeek
Sun Sep 16, 2007 9:25 pm
Thick Needle through Quarter?!?

Last post by clide
Replies: 50
by CannonCreator » Thu Sep 13, 2007 2:36 am
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Check this out guys. I do not know who this kid is or anything, lame music, but cheack out what he did with his pneuy cannon. Really went throguh...

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I say busted.
I used 120 psi with a burst disk and I couldn't full penetrate a quarter with a extremely tiny nail using a sabot in a .40 cal barrel....
50 Replies

18479 Views

Last post by clide
Sun Sep 16, 2007 5:47 pm
1/2'' piston valve

Last post by noname
Replies: 8
by hi » Sat Sep 15, 2007 11:02 pm

First post

My next project/ cannon is to make a little pellet pistol.

i wanted to make it out of copper and brass. I want to make the main valve a piston valve...

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my question is how do i fit the barrel ito the tee?

8 Replies

1375 Views

Last post by noname
Sun Sep 16, 2007 3:40 pm
Piston Valve Design- feasible?

Last post by strangers
Replies: 3
by strangers » Sun Sep 16, 2007 10:40 am

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Well I have already a lot of how-to's on making piston for my next project, a multi shot pneumatic, and decided that I would make a chamber sealing...

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The breech loading is for a hybrid golf /ping pong ball launcher:
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What I could do is replace the ball valve with a sprinkler valve, increase the...

3 Replies

1438 Views

Last post by strangers
Sun Sep 16, 2007 11:43 am
Piston Questions

Last post by jackssmirkingrevenge
Replies: 7
by veginator » Sun Sep 16, 2007 9:16 am

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1. What kind of pressures con a well made piston take?

2. What are the best materials for a piston?

3.How much psi is needed to get the valve into...

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That can take whatever pressure the pipes and fittings it's made of can take, but it's important to have a bumper between the piston and the back of...

7 Replies

1471 Views

Last post by jackssmirkingrevenge
Sun Sep 16, 2007 9:52 am
Lowest possible voltage to operate sprinker valve

Last post by jackssmirkingrevenge
Replies: 14
by Orpackrat » Fri Sep 14, 2007 11:55 am

First post

I am starting to make plans for paint sprayer that is electronicaly operated with a sprinkler valve. The valve does not have to open fast, but it...

Last post

a small solenoid from a washing machine or dishwasher perhaps?

14 Replies

3585 Views

Last post by jackssmirkingrevenge
Sun Sep 16, 2007 4:20 am
Supersonic pneumatic

Last post by dongfang
Replies: 26
by DYI » Sun Sep 09, 2007 9:31 am
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I am currently in the process of designing a small caliber (0.75 ) pneumatic to push a light projectile slightly over the speed of sound. GGDT...

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Hi,

That´s of course right with the work....

Hey, there is sometimes a non-work solution waiting, but you have to find it first.

Example: My...
26 Replies

12303 Views

Last post by dongfang
Sun Sep 16, 2007 4:09 am
Grill Master Damage Video

Last post by jackssmirkingrevenge
Replies: 3
by Dornep » Sat Sep 15, 2007 9:55 pm

First post

I've been in the process of building a piston valved golf ball cannon over the last week. The piston didn't exactly work out so I decided to throw...

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As I said in the video, I took a second shot at the cinder block with the steel handle from a fire place fire poker. I took a video of it with my...

3 Replies

1215 Views

Last post by jackssmirkingrevenge
Sat Sep 15, 2007 10:21 pm
BDMAC

Last post by jackssmirkingrevenge
Replies: 12
by PCGUY » Sat Feb 05, 2005 5:30 pm

First post

BDMAC

Burst Disc Mortar Air Cannon

Provided By fiebigspudguns -

This is the BDMAC. It is a burst disc gun set up to perform like a mortar. It...

Last post

In between the halves of the union:

12 Replies

15454 Views

Last post by jackssmirkingrevenge
Sat Sep 15, 2007 10:03 pm
making a mini pneumatic

Last post by jackssmirkingrevenge
Replies: 19
by f.c » Thu Sep 13, 2007 8:13 am
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ive started designing a mini pneumatic but theres some trouble ggdt shows errors when i input the info so can someone please tell me if this gun will...

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Can you fix a long, strong spring to open the valve quickly? Or a torsion spring in some way? Then it might get quite good.

Modding a sprinkler...
19 Replies

4744 Views

Last post by jackssmirkingrevenge
Fri Sep 14, 2007 11:54 pm
Huge Compressor

Last post by meatballs
Replies: 5
by CannonCreator » Thu Sep 13, 2007 10:16 pm

First post

Well like you guys have heard my best friends dad owns a BIG TIME pool bulding business, and he builds for all the big time sprots All-Stars and...

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its not a weak pump, just a large chamber. on my smallest gun, a little coaxial pistol, one pump gets you to 70 psi.

and yeah singularity that'd be...

5 Replies

2109 Views

Last post by meatballs
Fri Sep 14, 2007 10:11 pm
Epoxy chamber

Last post by benstern
Replies: 8
by us sniper » Thu Sep 13, 2007 10:39 pm

First post

I just saw a machine that can build things using epoxy. They have made flashlights and watches so far. Do you think that epoxy would be strong enough...

Last post

Enough with the fucking epoxy!
It is never suitable as a structural building material for spudguns. The older people on the forums should know...

8 Replies

2705 Views

Last post by benstern
Fri Sep 14, 2007 8:02 pm
Pneumatic Failures- Post yours here!

Last post by MaxuS
Replies: 17
by cyanite » Thu May 10, 2007 6:53 am
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This post is for all those people who have spent a S**tload of money, made a pneumatic, only to have something stupid (like a piston) fail or leak....

Last post

I made a ghetto combustion and duct taped it together, ripped itself apart in my hand first time i fired it.
17 Replies

5685 Views

Last post by MaxuS
Fri Sep 14, 2007 3:07 pm
Chamber size for a coaxial

Last post by meatballs
Replies: 9
by DeathBlade » Thu Sep 13, 2007 10:50 pm

First post

I just installed a onboard air compressor on my jeep and I'm building a coax to test it out. I have my golf ball barrel(48 sch80/sdr21) and I'm...

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In the USA at least, a three inch sch. 40 pvc end cap fits inside 4 sch 40 pvc pipe with about a millimeter of a gap all the way around. I know this...

9 Replies

2097 Views

Last post by meatballs
Fri Sep 14, 2007 2:43 pm
Idea for Butterfly valve

Last post by dongfang
Replies: 14
by us sniper » Wed Sep 12, 2007 8:23 pm

First post

i have been thinking about his idea for a homemade valve. It would be easier than making a sprinkler valve. It could be triggered by a blow gun. I...

Last post

Hi,

Thanks for the explanation. Hmm, if the axis is placed slightly off center, they must be good for sear triggering?

Regards
Soren

14 Replies

4998 Views

Last post by dongfang
Thu Sep 13, 2007 6:12 pm
Piston Rebuild Well Worth it *vids*

Last post by windshrike
Replies: 25
by chaos » Wed Sep 12, 2007 7:53 am
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Well after 2 and a half weeks with a jammed piston i have rebuilt my s400's piston valve.
I made a new pilot seal, bored and cleaned the EQ hole, got...

Last post

No. I replaced the spring in my sprinkler cannon with one from an airsoft pistol and it didn't seal immediately. The only thing that worked was...
25 Replies

6176 Views

Last post by windshrike
Thu Sep 13, 2007 5:41 pm
Longest shot?

Last post by Dumbascii
Replies: 25
by El Beasto » Mon Sep 10, 2007 7:12 pm
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Just wondering but what is the farthest you've shot a potato? I've built plenty of guns in my day but am new to the forums and I couldn't find...

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With a potato, map landmark measured, the Taternator II will go just over 1000' with 2X MAPP, 8' long 1.5 barrel. Beyond that much power, I can't use...
25 Replies

8241 Views

Last post by Dumbascii
Thu Sep 13, 2007 1:37 pm
Diaphragm questions

Last post by spud yeti
Replies: 9
by spud yeti » Wed Sep 12, 2007 10:22 am

First post

As this topic's name suggests, its is about diaphragms (and questions). I have built piston valves and all the rest, but never a succesful diaphragm...

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OK, thank you everyone for the help so far...

I have bought a female adaptor today, which didnt fit the copper pipe too great, but thats what teflon...

9 Replies

2230 Views

Last post by spud yeti
Thu Sep 13, 2007 11:58 am
Pilot Gun?

Last post by e1337
Replies: 7
by e1337 » Wed Sep 12, 2007 8:56 pm

First post

Is it possible to make the pilot of a piston into a gun itself? (Im thinking making it so it shoot cotton swabs / bbs). Advice is much appreciated....

Last post

Thanks for the feedback, Pete do you understand the qustion now?

Later
-e1337

7 Replies

2060 Views

Last post by e1337
Thu Sep 13, 2007 11:55 am
Intersting Site

Last post by hi
Replies: 11
by Hubb » Thu Sep 13, 2007 12:59 am

First post

I just found this site and thought it was neat. It is a marble gun that some guy built and has very interesting features. Notable features include...

Last post

i knew that sight exsited before before i knew what spudfiles was. that what i based my first cannon after. ofcource, mine didnt look much like that,...

11 Replies

2116 Views

Last post by hi
Thu Sep 13, 2007 9:23 am
C19o's 1.5" Barrel Sealing Golfball Gun

Last post by c19o
Replies: 16
by c19o » Mon Sep 10, 2007 8:44 pm
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I havent posted any of my cannons lately so im putting this one up.

Main Features :
1.5 Porting barrel sealing valve
Breech loading
Enough backspin...

Last post

Yep, its nice with clay slugs
16 Replies

5701 Views

Last post by c19o
Wed Sep 12, 2007 4:48 pm
Ratios

Last post by jimmy101
Replies: 6
by El Beasto » Tue Sep 11, 2007 3:29 pm

First post

What is a good ratio to follow as far as barrel to chamber size goes? Length wise and diameter wise. Thanks!

Ratios on my gun:
Length-1:2
Width-1:3...

Last post

DYI is a bit wrong since given the length to length ratio of the chamber and barrel, and the diameter ratios then volume ratios can be calculated....

6 Replies

3108 Views

Last post by jimmy101
Wed Sep 12, 2007 12:14 pm
help with nearly complete sniper

Last post by Fnord
Replies: 13
by singularity » Tue Sep 11, 2007 8:11 pm

First post

well i have what could be considered a sniper rifle (with a scope :P ) but no ammo... so i thought i could ask you for some help. i need some dead on...

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Don't those bags of marbles you buy also come with two 1-inch marbles in them? (called shooters :))

If not, try and obtain some lead.

13 Replies

3468 Views

Last post by Fnord
Wed Sep 12, 2007 7:56 am
Exploding BB pellet

Last post by jackssmirkingrevenge
Replies: 13
by Infernal Maveric » Sun Sep 09, 2007 11:24 am

First post

Today I decided to modify my QB gun, to have a way smaller chamber and pilot. I then went a pumped the baby up to 375PSI and let rip at a box full of...

Last post

This is why some rifle bullets explode, rapid deceleration causes the material to break apart.

This doesn't happen due to deceleration, what...

13 Replies

7076 Views

Last post by jackssmirkingrevenge
Wed Sep 12, 2007 4:54 am

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