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

1125638 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

552599 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

821428 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

967459 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

375060 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

92465 Views

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

Topics

casting stable lead bullets

Last post by john bunsenburner
Replies: 17
by absinthe » Tue Aug 18, 2009 9:17 am
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i was thinking about casting some lead bullets for my copper musket and am trying to think of how to made them stable without rifling..

would...

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My question about the diving shot still stands, did anyone ever use it as ammo, perhaps sieved through a sieve with a specific hole size for more...
17 Replies

7228 Views

Last post by john bunsenburner
Sat Aug 22, 2009 3:03 am
coaxial.piston.

Last post by FORE!!!!
Replies: 7
by FORE!!!! » Fri Aug 21, 2009 3:35 am

First post

Well here is my first coaxial piston gun, its made from aluminium tubing, i found in side a laser printer refill cartrigde ( the main roller,the...

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thanx. I was a little disapointed with its performance because im limited because of my compressor to 145-150psi,itll put a shish kabab stick through...

7 Replies

3661 Views

Last post by FORE!!!!
Sat Aug 22, 2009 12:20 am
Punkin' Chunkin' 2010...

Last post by THUNDERLORD
Replies: 66
by jeepkahn » Thu Jul 30, 2009 9:52 am
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It's more or less official, my neighbor Rick and I are gonna enter the 2010 contest... We hope to have a design settled on by October, and the build...

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...Hence why the more money you spend, generally the better chance of winning.

So, if one wins without as much money it would really show skill....
66 Replies

22801 Views

Last post by THUNDERLORD
Fri Aug 21, 2009 11:00 pm
Triggered burst disk

Last post by THUNDERLORD
Replies: 16
by mikemurph » Tue Aug 18, 2009 8:58 pm
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I have been searching the wiki for new ways to trigger my pneumatics. I saw this on the wiki:

the pressurization between the two burst disks is the...

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The presta valves leak much less than the shraders according to the bikey pro shops.
(the one's where you pay a lot of $$$ to look like a Homo in...
16 Replies

9054 Views

Last post by THUNDERLORD
Fri Aug 21, 2009 9:56 pm
update page 2 how much fps you think !!!

Last post by far_cry
Replies: 26
by far_cry » Tue Aug 18, 2009 8:47 pm
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this shot done with 650 psi approx (my gauge fucked up)

estimate the fps ( yes i have ggdt but i must hear your estimations )

things to know:
the...

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i made another test

in the video you will see that if i shoot the screw in backward will do more damage

distance was 6 meters ,and the camera post...
26 Replies

5410 Views

Last post by far_cry
Fri Aug 21, 2009 8:15 pm
My idea for a pneumatic cannon

Last post by masterelmo
Replies: 4
by masterelmo » Fri Aug 21, 2009 3:30 pm

First post

I'm currently planning on making a pneumatic cannon that will fire either tennis balls or baseballs (or anything of the same size). I'm thinking it...

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I have some plans already drawn out (crudely) of how it would look/work. I will check the wiki (thanks for the tip) along with those links. I pray...

4 Replies

1599 Views

Last post by masterelmo
Fri Aug 21, 2009 5:39 pm
Hammer valve for paintball marker

Last post by SEAKING9006
Replies: 8
by M.J.P. » Sun Aug 16, 2009 3:13 am

First post

I am in the process of making a slightly tweaked version of sniper hero's hammer valve .

I have most parts but i have a few queries before fully...

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Thread cutters aren't hard to use at all. I have to use them all the time on my high school's robotics team. They have the pitch pre set in them,...

8 Replies

3173 Views

Last post by SEAKING9006
Fri Aug 21, 2009 9:30 am
1 inch QEV Mead

Last post by Brian the brain
Replies: 6
by dewey-1 » Thu Aug 20, 2009 1:55 pm

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Here is another source for QEV's in the US.
Note that they now have a 1 size available.
It appears to be constructed like a piston style rather than...

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Often referred to as a shuttle rather than a piston

6 Replies

1611 Views

Last post by Brian the brain
Thu Aug 20, 2009 4:43 pm
What a Monster!!

Last post by rna_duelers
Replies: 9
by ralphd » Wed Aug 19, 2009 5:14 pm

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I just got the 2 inch sprinkler valve from Ebay and it is huge. I was going to use it as a pilot valve for my next launcher; a diaphragm but I...

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I've made a launcher using a 2 sprinkler valve and for a pilot valve I used a 1/4 ball valve and it worked a treat.I also tried a blowgun but it was...

9 Replies

4128 Views

Last post by rna_duelers
Thu Aug 20, 2009 6:40 am
need help with a piston valve

Last post by MrCrowley
Replies: 23
by Tcoz370 » Wed Aug 19, 2009 2:55 pm
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i am pretty new to pneumatic guns. i have made one with a ball valve and two with moded sprinkler valves. i would like to make a piston valve using a...

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Are you talking about pipe diameter? As far as I am aware, 2 pipe has the same inside and outside diameter in America and Aus/NZ. Are you refering to...
23 Replies

7402 Views

Last post by MrCrowley
Wed Aug 19, 2009 11:42 pm
finding a sleeve valve

Last post by Mr.Sandman
Replies: 17
by colty-bear » Mon Aug 03, 2009 11:07 am
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i need a 1 inch 3 way sleeve valve and the only ones i see go up to 1/2

i am making this

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oh thank you very much sorry if im kickin up old topic ive been gone for a while How very much? :lol: What pressures do you plan on using?
17 Replies

7567 Views

Last post by Mr.Sandman
Wed Aug 19, 2009 8:19 pm
Shorty (First cannon)

Last post by Tcoz370
Replies: 8
by Spooky » Tue Aug 18, 2009 3:13 pm

First post

This is my first spud gun of any kind so forgive me if it seems very ghetto .. or ugly. I built it mainly to be a learning experience, and hope to...

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i have yet to expirement with copper pipe...this makes me want to try it out and blow a few bucks on one hahahah

8 Replies

5453 Views

Last post by Tcoz370
Wed Aug 19, 2009 7:02 pm
large valve housing

Last post by c11man
Replies: 26
by c11man » Fri Aug 07, 2009 12:18 pm
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i am going to be making a 4inch piston and was wondering if using a wye instead of a tee would handle large recoil better. it would be used in a dual...

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i got the order today! and i ended up decidending on getting the sch 40 wye. when i opend up the box and looked at it i thought aw sh!% because it...
26 Replies

7075 Views

Last post by c11man
Wed Aug 19, 2009 6:38 pm
piston qev in america

Last post by twizi
Replies: 9
by twizi » Tue Aug 18, 2009 5:45 pm

First post

hey guys ive been looking for a piston qev in ameica all i see is diaghram valves if you now where to get them please post a link

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thanks hot wired

9 Replies

3206 Views

Last post by twizi
Wed Aug 19, 2009 5:52 pm
Sprinkler Valve leaking

Last post by Hubb
Replies: 5
by Southside39 » Wed Aug 19, 2009 10:29 am

First post

I have a rainbird CP 100 Sprinkler valve and whenever I fill it it leaks out of the top where I drilled to put the blowgun in. It doesn't dump the...

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Is it leaking through the fitting or around it? Spray it with some soapy water to find out (look for the bubblies).

If it is leaking from around the...

5 Replies

3011 Views

Last post by Hubb
Wed Aug 19, 2009 5:14 pm
ammo hopper?

Last post by AxelTheWicked
Replies: 10
by AxelTheWicked » Wed Aug 19, 2009 8:06 am

First post

hi, i have a question. how can i put an ammo hopper on a pneumatic sniper rifle that i'm building, without all of the ammo spilling into the barrel?...

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how is it that you failed, Willdebeers?

10 Replies

3118 Views

Last post by AxelTheWicked
Wed Aug 19, 2009 11:26 am
big daddy/jnr

Last post by inonickname
Replies: 12
by FORE!!!! » Tue Aug 18, 2009 9:35 pm

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here are my latest inventions ,the first one being a barrel sealing piston valve, the piston is housed in a 1'' brass threaded tee and is made from...

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ahhhhh those were the days ,it reminds me of when i was in yr7,lol

i never mentioned power! how about distance ?? which is more on topic atm,...

12 Replies

2390 Views

Last post by inonickname
Wed Aug 19, 2009 4:28 am
compression fittings /pressure rating

Last post by inonickname
Replies: 9
by FORE!!!! » Mon Aug 17, 2009 6:03 am

First post

Ive recently completed a barrel sealing piston valve and am wondering on the pressure rating for a kinco nut and olive(nylon),which holds my barrel...

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GalFisk, I usually secure the olive by some means..

Seen as suspension shocks use schrader valves, you'd assume that shock pumps use an appropriate...

9 Replies

3523 Views

Last post by inonickname
Wed Aug 19, 2009 3:50 am
rebuilding

Last post by gabeb123
Replies: 27
by gabeb123 » Sun Aug 16, 2009 6:08 pm
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hi someone gave me a pneumatic tator cannon but the chamber is cellular core and it leaks so i am rebuilding it.

it has a electric sprinkler valve...

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im going to make more barrels eventually i want to make a tennisball barrel so i can launch a tennis ball into one of my fields and have my dog go...
27 Replies

7548 Views

Last post by gabeb123
Tue Aug 18, 2009 9:52 pm
50 cal. Pneumatic Sniper

Last post by jhalek90
Replies: 12
by maverik94 » Sat Feb 28, 2009 9:15 pm

First post

I acually Built this baby a month or so ago. It's a seriously powerful pneumatic.

Specs:
Chamber: 1 1/4 & 1 PVC
Barrel: 1/2 PVC
Fill Valve:...

Last post

That looks really good. im a fan of 1/2'' pvc barrels on air guns, as they can shoot nerf darts fast enough to make your head spin.

12 Replies

6468 Views

Last post by jhalek90
Tue Aug 18, 2009 8:55 pm
QEV Difficulties

Last post by noname
Replies: 18
by noname » Fri Aug 14, 2009 7:55 pm
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My new 1/4 QEV came in the mail today and it has been confusing me. I know on most QEVs there should be ports labeled In, Out, and Exhaust. Mine has...

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Well, I'm going to stick with what I've got for now. Maybe if I come across some extra cash and feel the need to upgrade then I'll add an air...
18 Replies

3962 Views

Last post by noname
Tue Aug 18, 2009 11:23 am
pilot valve?? shrader?

Last post by FORE!!!!
Replies: 11
by FORE!!!! » Tue Aug 18, 2009 12:54 am

First post

ive recently completed making a mini chamber sealing piston valve,using chrome mini cistern cock,3/4 copper for the chamber and 1/2 copper for the...

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next day delivery thats nice to know,and those are very sexy qev's
maybe for my next project,,,well if u were there sales man u definatly had me...

11 Replies

2260 Views

Last post by FORE!!!!
Tue Aug 18, 2009 7:21 am
New and simple idea for semi-auto reloading? Gravity include

Last post by MrCrowley
Replies: 6
by Lokoyo » Mon Aug 17, 2009 9:21 pm

First post

I don't know if reloading for a semi-auto has been a problem, but here is my idea. The picture will be able to explain better than I can in words....

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Noname is correct.

And no, you didn't search. Please go and search, because I can think of several instantly.
Something like this is a bit harder...

6 Replies

2979 Views

Last post by MrCrowley
Tue Aug 18, 2009 4:58 am
First Pneumatic Cannon

Last post by RabidDuck
Replies: 18
by RabidDuck » Mon Aug 17, 2009 9:11 pm
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Hey there guys. This is my first Pneumatic Cannon i've made.
I used a 1 inch modified sprinkler valve. My chamber is 2 inch 5 feet long. Barrel is...

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Okay thank you i will put updates up tomorrow possibly if i get it done! Thanks for all the help!

p.s. my chamber is rated to 280 and has NSF-PW and...
18 Replies

4939 Views

Last post by RabidDuck
Mon Aug 17, 2009 10:48 pm
barrel sealer ,probs?

Last post by FORE!!!!
Replies: 17
by FORE!!!! » Wed Aug 12, 2009 5:46 pm
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well yesterday i decided to build a 1'' barrel sealing piston valve,after finding an aluminium rod/piston in the shed. ive attached a neoprene...

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if u mean as in the projectile? it was a marble perfect fit in a 3/4 barrel.

6 grams it weighs
17 Replies

3995 Views

Last post by FORE!!!!
Sun Aug 16, 2009 5:49 am

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