Pneumatic Cannons

New Topic

8157 topics

Page 179 of 327
- Jump to page:
Previous
1
…
177
178
179
180
181
…
327
Next

Announcements

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
1

2
First post

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

900996 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
1

2

3

4

5

6
First post

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

438107 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
1

2

3

4

5
First post

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

372243 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
1

…

8

9

10

11

12
First post

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...

Last post

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

616011 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
1

2

3
First post

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...

Last post

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

327794 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

78094 Views

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

Topics

different blow forward design

Last post by jackssmirkingrevenge
Replies: 15
by trollhameran » Sun Aug 03, 2008 5:17 pm
1

2
First post

This is an idea i just came up with for a slightly different blow forward bolt design. It is rougly the same as th other blow forward bolt designs on...

Last post

In response to that, JSR, have you considered using some type of air-powered turbine for a motor, with the exhaust from the turbine being your source...
15 Replies

5309 Views

Last post by jackssmirkingrevenge
Fri Sep 12, 2008 12:52 am
CO2 Fill method

Last post by PinHead
Replies: 3
by Pilgrimman » Fri Aug 22, 2008 5:29 pm

First post

While I have never used CO2, I hear that the main problem for using it with PVC is that it gets cold upon expansion. For obvious reasons, this is...

Last post

Like you said, the CO2 in gas form isn't cold in itself; it's the expansion as it goes from liquid to gas that makes everything so damn cold. A good...

3 Replies

1198 Views

Last post by PinHead
Thu Sep 11, 2008 5:11 pm
CO2 Supply

Last post by MaxuS the 2nd
Replies: 1
by littlebro05 » Thu Sep 11, 2008 3:55 pm

First post

Hey guys,

Alright this is probably aimed at countries who can't purchase CO2 tanks from a local paintball store of whatever...

Anyway I was in...

Last post

We in the Uk use the empty Co2 bottles as high pressure air vessels.
Have been doing so for years.

Their brand name is SodaStream.

1 Replies

1120 Views

Last post by MaxuS the 2nd
Thu Sep 11, 2008 4:38 pm
bb gun animation... hammer valve?

Last post by Antonio
Replies: 6
by hi » Sat Sep 06, 2008 11:10 pm

First post

Hey guys. i was kinda looking around and i found this,

its the basic operation of a bb gun. i guess it falls under the hammer valve category. i...

Last post

this is a animation/flash of a nelson operating paintball marker> one of the first. Here is an animation of it

6 Replies

2134 Views

Last post by Antonio
Thu Sep 11, 2008 11:28 am
questions on 12 gram adapter

Last post by marpat
Replies: 5
by JDP12 » Mon Sep 08, 2008 4:16 pm

First post

i'm trying to build this :

and its not going so good, first of all, my disconnect doesn't even have a piston in it, and i don't understand how the...

Last post

i use a vice to hold the 12 gram and i just hold the gun with my hands while it charges

but i can not say that at the moment this adaptor is...

5 Replies

2107 Views

Last post by marpat
Tue Sep 09, 2008 6:01 pm
my 1st pneumatic

Last post by The Engineer
Replies: 26
by unisonmind » Wed Jan 24, 2007 9:53 pm
1

2
First post

so this is my 1st pneumatic cannon. my chamber is a old welding tank that can take 600 psi easy,a 600 psi ball valve and a 1.5 pvc barrel that i got...

Last post

well obviously so, but i haven't seen anything like that in the stores around here. its rather strange. i think it may just be that the city folk in...
26 Replies

10649 Views

Last post by The Engineer
Mon Sep 08, 2008 3:33 pm
SDR-21 for a noob

Last post by man_o_brass
Replies: 17
by LongT » Sat Sep 06, 2008 8:49 pm
1

2
First post

OK, so I saw a couple of size posts on SDR-21 AFTER I searched high and low and went across town to buy a stick of the hallowed stuff.. So... the...

Last post

Well, different companies use different extruders to make their pipe, so you could easily have a slightly small bore. The average ID for SDR-21 1-1/2...
17 Replies

4547 Views

Last post by man_o_brass
Mon Sep 08, 2008 11:09 am
almost finished sniper rifle

Last post by BlackH
Replies: 9
by F.E.A.R._Sniper » Sat Sep 06, 2008 7:52 pm

First post

here is my almost complete sniper rifle

it has a 1 pvc chamber and a 3/4 cpvc barrel. I shoot mostly paintballs out of it and get 300 fps at 40 psi....

Last post

what you can do is this this is what i did with mine
Just ignore the pump there you have a external pump

9 Replies

4102 Views

Last post by BlackH
Mon Sep 08, 2008 2:11 am
In desperate need of explanation!!

Last post by D_Hall
Replies: 17
by The Engineer » Fri Sep 05, 2008 4:23 pm
1

2
First post

Can anyone please explain how a modded sprinkler valve works?

Last post

I see a number of grammar errors in your posts, even accounting for the differences between UK and American English. :P
No doubt, that. I suck at...
17 Replies

4130 Views

Last post by D_Hall
Sun Sep 07, 2008 5:07 pm
Mini M203

Last post by Dgealy
Replies: 38
by PVC Arsenal 17 » Fri Sep 01, 2006 12:24 pm
1

2

3
First post

Here is a mini m203 I made recently.

1 1/4 parts.
1/2 barrel.
Fill valve is an 1/8 Schrader.
Exhaust valve is a 1/4 pop-off.
Rubber sheet for...

Last post

Why do you need the pop-off valve? Couldn't you just fill it through the air valve, then, like when someone deflates their car tires with a pressure...
38 Replies

14561 Views

Last post by Dgealy
Sun Sep 07, 2008 4:49 pm
Window Air Conditioner Compressor

Last post by jimmy101
Replies: 30
by iisthemuffin » Mon Sep 01, 2008 4:07 pm
1

2

3
First post

My uncle is giving me a window air conditioner and im planning on taking the compressor out and using it. Would this work as well as a fridge...

Last post

What if I hooked it up to a 10 gallon tank and hooked that up to the cloud/vortex?
Then it would take you a half hour to fill the 10 gallon tank to...
30 Replies

6970 Views

Last post by jimmy101
Sat Sep 06, 2008 2:07 pm
YASP - Yet Another Stirrup Pump

Last post by far_cry
Replies: 13
by dongfang » Sun May 04, 2008 9:34 am

First post

Hi,

Got my pump finished today. Now I can get some decent pressure on my guns...

The pump cylinder is a 72 cm long, 20.6 mm ID, 25 mm OD aluminium...

Last post

Pump looks really cool and Far_cry 50 bar is about 735 psi.
lets say 710 psi
may be my modified check valve let me get that high pressure

13 Replies

9278 Views

Last post by far_cry
Fri Sep 05, 2008 5:56 pm
a plan to make high pressure air pump

Last post by far_cry
Replies: 20
by far_cry » Thu Aug 28, 2008 4:24 pm
1

2
First post

ok
this is a draw i made to air pump
i see a plan that gippeto think about for 2 stage pump
so i canceld the first stage because the difficulty to...

Last post

I could wobble the part of my upper jaw beneath my nose and again, independently could move my two front teeth.

My upper lip was cut from the inside...
20 Replies

7592 Views

Last post by far_cry
Fri Sep 05, 2008 4:06 pm
semi idea

Last post by trollhameran
Replies: 7
by drex » Thu Sep 04, 2008 3:55 pm

First post

its kinda like the blow forward only backwards. when the presser leaves the chamber the spring is able to push the bolt forward.

Last post

If the bolt had a rubber seal on the back, which would block off the air supply , then it could possibly work full auto. If made like that, it would...

7 Replies

2800 Views

Last post by trollhameran
Fri Sep 05, 2008 1:14 am
Semi-auto Modified Nail Gun pneumatic

Last post by Dave_424
Replies: 21
by Dave_424 » Wed Sep 03, 2008 2:21 pm
1

2
First post

Hi all,
about 3 days ago I bought a cheap brad nail gun from Fleabay and have sucsessfully modified it so that instead of firing a burst of air...

Last post

haha ok then thanks for all of the help :P

Dave
21 Replies

13357 Views

Last post by Dave_424
Thu Sep 04, 2008 2:54 pm
clean, yet serviceable?

Last post by jrrdw
Replies: 3
by sharpshooter » Wed Sep 03, 2008 12:18 am

First post

due to the fact that my newest piston cannon will not have a round back (oh, the joys of epoxy :P ), it will not be possible to attach a male/female...

Last post

I use a piece of wooden dowel inbetween my sprinkler valve and spring. When I screw my sprinkle valve on there is about 1 threads lenth of tension...

3 Replies

1168 Views

Last post by jrrdw
Thu Sep 04, 2008 6:40 am
Wasp Knife

Last post by dark2023
Replies: 70
by Lentamentalisk » Fri Aug 08, 2008 3:51 am
1

2

3

4

5
First post

Not exactly a cannon, but it involves compressed gases and is still incredibly cool!
I may just have to build my friend one of those... (she lives in...

Last post

why couldent they
70 Replies

21150 Views

Last post by dark2023
Wed Sep 03, 2008 9:54 pm
BlindsCRRAZZYCoaxail

Last post by blind909
Replies: 47
by blind909 » Sat Aug 23, 2008 1:03 pm
1

2

3

4
First post

Ok, I have made ball valve pnuematics, sprinkler valve pnuematics, burst disk pnuematics, but never a piston cannon! But this cannon has a 2 foot 3...

Last post

Sorry for the tripple post :roll:, but I went in my backyard today, charged her up to 125 psi, and holy sh!t. I have never heard a boom louder in my...
47 Replies

11503 Views

Last post by blind909
Wed Sep 03, 2008 9:49 pm
Help with a valve

Last post by DinerKid
Replies: 7
by DinerKid » Wed Sep 03, 2008 1:50 pm

First post

ok so i have built a cannon that will have a steady stream of air from a compressor through a regulator. a paintball hopper will feed paintballs to...

Last post

original yes but now this blow forward also intrigues me. can someone provide a link to the best place to learn to build a blow forward setup. i...

7 Replies

2339 Views

Last post by DinerKid
Wed Sep 03, 2008 4:57 pm
new type of valve

Last post by Hailfire753
Replies: 27
by QuaziGNRLnose » Sun Aug 31, 2008 2:28 pm
1

2
First post

well this is a pull valve which im currently designing, it works by, well... pulling it!, its bassically a sealed end which you pull apart whith your...

Last post

Yeah, I think I will. Dang, gotta get to home depot.
27 Replies

9462 Views

Last post by Hailfire753
Wed Sep 03, 2008 4:13 pm
self rifling pneumatic?

Last post by psycix
Replies: 15
by Demon » Fri Aug 29, 2008 3:54 pm
1

2
First post

This is very strange...

I have a very simple pneumatic:

1 inch modded sprinkler valve with 1.25 inch x 2 foot air tank and canon.

but when i was...

Last post

A sharp projectile could carve in a groove.
Now if that sharp tip is on an angle, the projectile will automatically rotate.

Its not a bad idea!...
15 Replies

3724 Views

Last post by psycix
Wed Sep 03, 2008 10:31 am
Piloting via shreader?

Last post by psycix
Replies: 7
by iisthemuffin » Mon Sep 01, 2008 8:13 pm

First post

Im trying to pilot a mini coaxial with a shreader valve. The problem im having is that when i unglug my pump from the gun, i loose too much air. My...

Last post

I had that problem too.
What you should do is either a safety ballvalve between the fill valve and the chamber OR a checkvalve.

7 Replies

1850 Views

Last post by psycix
Wed Sep 03, 2008 10:03 am
how to "hook up" QEV

Last post by psycix
Replies: 8
by JDP12 » Tue Sep 02, 2008 7:06 pm

First post

what goes where?- there are 3 ports on the QEV- and which one does the barrel , chamber and fill/exhaust go into?

sorry i just had a COMPLETE brain...

Last post

Remind the construction of a barrel sealing piston valve, QEVs basically are that and so, the chamber is basically always on the side port.
For the...

8 Replies

1923 Views

Last post by psycix
Wed Sep 03, 2008 9:24 am
simple safety valve question....

Last post by sharpshooter
Replies: 5
by sharpshooter » Tue Sep 02, 2008 3:21 pm

First post

Lets say i have one of those pop off safety valves between 2 chambers. if it is set at 50 psi, it will make for a 50 psi difference between the...

Last post

the biggest reason is size. i found some adjustable pressure ones that are about 3/4 in long and 1/2 in dia. the other is that if i can spend $8...

5 Replies

1371 Views

Last post by sharpshooter
Tue Sep 02, 2008 4:45 pm
Electronic circuit for solenoid

Last post by jimmy101
Replies: 30
by Acdcmonkey1991 » Thu Aug 28, 2008 6:39 pm
1

2

3
First post

I am working on an automatic prototype with a solnoid that strikes open a hammervalve, my question is: Can I get a circuit or something that when I...

Last post

put a LED in first to test it, way easier to debug if you cant use the comp o scope. Tell us if anything goes wrong. make sure the capacitor is...
30 Replies

9367 Views

Last post by jimmy101
Tue Sep 02, 2008 1:21 pm

New Topic

8157 topics

Page 179 of 327
- Jump to page:
Previous
1
…
177
178
179
180
181
…
327
Next

Return to Board Index

Information

Forum permissions

You cannot post new topics in this forum
You cannot reply to topics in this forum
You cannot edit your posts in this forum
You cannot delete your posts in this forum
You cannot post attachments in this forum

Pneumatic Cannons

Forum permissions

Login • Register