Pneumatic Cannons

New Topic

8157 topics

Page 106 of 327
- Jump to page:
Previous
1
…
104
105
106
107
108
…
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

930630 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

453782 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

472083 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

639857 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

332865 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

80511 Views

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

Topics

Compact Piston Valve

Last post by clemsonguy1125
Replies: 18
by clemsonguy1125 » Sat Apr 24, 2010 7:51 pm
1

2
First post

On a valve like this, does the piston slide in the bushing, or is the bushing cut down and the piston slides in socket itself? My cap piston failed...

Last post

I'll see, does dans piston work like the mauler or gippetos
Edit-Heres what I was thinking of.
18 Replies

3872 Views

Last post by clemsonguy1125
Sat Apr 24, 2010 11:47 pm
2" piston valve porting question

Last post by Gun Freak
Replies: 16
by Gun Freak » Fri Apr 23, 2010 6:03 pm
1

2
First post

I'm building a 2 Tee piston valve for a golf ball gun. I want to put a bushing on the bottom port of the tee to make it detachable incase I want to...

Last post

Well I went to Home Depot and Ace today, but they had no slip by thread tee's or the bushing I needed to I'm ordering online. Anybody ever ordered...
16 Replies

3872 Views

Last post by Gun Freak
Sat Apr 24, 2010 6:56 pm
HP pump connections

Last post by Demon
Replies: 21
by Demon » Fri Apr 23, 2010 3:56 pm
1

2
First post

For my semi-auto carbine, i need to fill its onboard tank to 400 psi
( 1300 psi rated cooper is used for the airtank )

And as i will need to refill...

Last post

Maybe he mean the hose popped out of the fitting

Thanks a lot for your help, especially for the venting part.
21 Replies

4330 Views

Last post by Demon
Sat Apr 24, 2010 7:36 am
finding force using volume and psi HELP!!!

Last post by jimmy101
Replies: 16
by kydavies » Thu Apr 22, 2010 9:17 pm
1

2
First post

how can you find the force in Newtons without using kinematics and only using the size of your air tank and what psi its at?

Last post

1.5 diameter barrel potato mass=.25kg
The mass seems way too high. I would WAG the spud at less than 0.10Kg and perhaps as little as 0.05Kg...
16 Replies

5184 Views

Last post by jimmy101
Fri Apr 23, 2010 11:59 pm
Cap piston questions and build log

Last post by clemsonguy1125
Replies: 50
by clemsonguy1125 » Wed Apr 21, 2010 4:34 pm
1

2

3

4
First post

After seeing Gippetos piston valve I decided to make one similair. I bought the tee and bushings but as I started to assemble it I relized that the...

Last post

well i doesnt really matter cause you decided to build it
50 Replies

9806 Views

Last post by clemsonguy1125
Fri Apr 23, 2010 6:28 pm
This piston

Last post by Gun Freak
Replies: 14
by Gun Freak » Tue Apr 20, 2010 5:15 pm

First post

Is this piston's sizes the right way around or should the back be bigger than the front? I'm thinking this could have been the reason for my piston...

Last post

Yes the washer is pretty big. Almost as big as the neoprene.

14 Replies

4467 Views

Last post by Gun Freak
Thu Apr 22, 2010 6:43 pm
Cartridge Loader: Overlap vs. No Overlap

Last post by PVC Arsenal 17
Replies: 11
by PVC Arsenal 17 » Sat Apr 17, 2010 12:13 am

First post

I discussed this briefly not too long ago, but I want some additional input before I go ahead and build anything.

Here's the situation:

I am...

Last post

Well I went with the 50% overlap, out-the-top ejection configuration. No more ejection mechanism, I plan to make use of the spring pressure from the...

11 Replies

2251 Views

Last post by PVC Arsenal 17
Wed Apr 21, 2010 9:02 pm
Homemade DCV

Last post by Gun Freak
Replies: 17
by Gun Freak » Fri Apr 16, 2010 4:00 pm
1

2
First post

I drew this up today... Might make one just because I can't get any DVC's around here. I already know the pilot volume would be kinda big, but that's...

Last post

The o-rings in my original post were on the wooden dowel.

You designs are very interesting... seem pretty easy to make...

So to make it ballanced...
17 Replies

5965 Views

Last post by Gun Freak
Wed Apr 21, 2010 5:01 pm
The Boomstick

Last post by jrrdw
Replies: 1
by AegisAvenger » Wed Apr 21, 2010 4:00 pm

First post

I'm back! And I've been somewhat busy. Today's hurdle is paying bills, which means you get to buy my cannon! Please?

I'm hoping to sell it for at...

Last post

Can't sell a completed cannon from Spudfiles. That was a main rule when we had a classified section for members to use to sell their stuff. That...

1 Replies

1784 Views

Last post by jrrdw
Wed Apr 21, 2010 4:18 pm
Steam Cannon

Last post by iknowmy3tables
Replies: 5
by 12332123 » Fri Apr 16, 2010 6:13 am

First post

I was thinking of making a bursk-disk steam cannon; the design I'm contemplating is to have a sealed chamber of water, which would be heated until it...

Last post

you mean not using the chamber as ground, why? what's the advantage?

5 Replies

2440 Views

Last post by iknowmy3tables
Wed Apr 21, 2010 3:24 pm
Pop off valve and regulator

Last post by Demon
Replies: 18
by Demon » Mon Apr 19, 2010 5:21 pm
1

2
First post

I would like some information about pop off valve, are they simply spring retained pistons that liberate air at a certain set psi?
If yes, how can...

Last post

but I'd recommend buying a flow control valve because they're cheap and adjustable

I can make one myself for approx 1.5$ , so its not a problem...
18 Replies

5032 Views

Last post by Demon
Wed Apr 21, 2010 3:02 pm
Piston Valve Problems

Last post by bobgengeskahn
Replies: 17
by bobgengeskahn » Fri Apr 16, 2010 1:29 am
1

2
First post

Ok, so, I decided to stop lurking and try to build something. I will post pics later in this post (once I get the camera working), but this is the...

Last post

Well, I have some free time this afternoon so I will post an update later if all goes well.

@ Chinnerz, I turned the body of the piston down from a...
17 Replies

5144 Views

Last post by bobgengeskahn
Wed Apr 21, 2010 1:48 pm
stainless steel coaxial pistol

Last post by SP00K
Replies: 11
by jave101 » Fri Apr 16, 2010 11:38 pm

First post

my coaxial pistol gun. uses a carbon fiber piston, welded stainless steel chamber with 1/4 inch stainless steel barrel and pistol air blower as the...

Last post

:shock: Me likeees.

11 Replies

6994 Views

Last post by SP00K
Wed Apr 21, 2010 9:36 am
Piston Valve Launcher Issue

Last post by electrictape22
Replies: 6
by electrictape22 » Sun Apr 18, 2010 11:21 am

First post

Hi spudders, I am currently in the process of finishing up my first piston valve launcher based on the design of mrredrooster (not sure of his...

Last post

I previously had the groove in my piston, but that didn't work. The piston that I'm currently using has no groove.

6 Replies

1984 Views

Last post by electrictape22
Tue Apr 20, 2010 5:46 am
Solenoid Valves

Last post by Technician1002
Replies: 7
by skyjive » Sun Apr 18, 2010 1:09 pm

First post

So I'm thinking of using solenoid actuated sprinkler valves for a particular project in which the flexibility of electrical control outweighs valve...

Last post

If you are running off AC power, you can always use a AC transformer for a sprinkler system.. They have enough ooomph.. :D

7 Replies

2729 Views

Last post by Technician1002
Mon Apr 19, 2010 8:03 pm
Chamber Diameter vs Barrel Diameter

Last post by irisher
Replies: 5
by Gun Freak » Sun Apr 18, 2010 8:59 pm

First post

Ok so me and Clemsonguy are discussing whether a 1.5 gold ball barrel will be choking the flow of a 1.5 chamber. I don't want to downsize the valve...

Last post

gold ball barrel If you can afford to shoot gold balls just buy Larda's cannon :lol:

5 Replies

2085 Views

Last post by irisher
Mon Apr 19, 2010 5:43 pm
3-way valves

Last post by POLAND_SPUD
Replies: 7
by Lockednloaded » Mon Apr 19, 2010 2:37 pm

First post

would these work in conjunction witha QEV or even homemade piston valve for semi-auto capabilities. anyone got any ideas for a loading mech for...

Last post

are you aware of the fact that it is a solenoid valve?? that will make this thing a bit more complicated as you need to build a circuit that will...

7 Replies

2303 Views

Last post by POLAND_SPUD
Mon Apr 19, 2010 3:08 pm
chamber sealing piston without o-rings

Last post by iknowmy3tables
Replies: 3
by Lockednloaded » Sun Apr 18, 2010 11:35 pm

First post

I'm going to dive right into this with no back story about how i figured it out, so here i go...

when you consider a normal barrel sealing...

Last post

the chamber sealing sprinkler valves are the ones with the guide rod.

this isn't exactly a new idea, people have though of it before but there's...

3 Replies

1422 Views

Last post by iknowmy3tables
Mon Apr 19, 2010 7:50 am
Does your T piston valve open completely and stay open?

Last post by Technician1002
Replies: 10
by boyntonstu » Sun Apr 18, 2010 10:59 am

First post

My Trom-Boyn design allows me to fire the chamber without its slip in barrel to allow inspection of the piston after firing.

Ideally, the piston...

Last post

My 2 inch cannon was able to move a tire shop air impact wrench from 3 feet away with no barrel. It slid on the concrete floor for about 3 feet.

10 Replies

3774 Views

Last post by Technician1002
Sun Apr 18, 2010 9:32 pm
Diaphragm thickness

Last post by Gun Freak
Replies: 9
by limbeh » Fri Apr 16, 2010 12:51 am

First post

Thinking of building my own diaphragm valve.

Read up on the spudfiles wiki, and apparently 1/4 neoprene is common.

My problem is this: how much...

Last post

Jack, your diagram is full of DWV :roll:

9 Replies

2918 Views

Last post by Gun Freak
Sun Apr 18, 2010 8:31 pm
piston cannon building troubles

Last post by jrrdw
Replies: 1
by Marffy » Sun Apr 18, 2010 6:59 pm

First post

I just tested my cannon for leaks underwater and it has 3. these three are at the main galv. air tank at the 3 major 2 joints. at the coupler (Both...

Last post

Try to tighten it all up before taking it back apart. You can use a strap wrench on the bigger pipes. Don't have a strap wrench? Use a old leather...

1 Replies

863 Views

Last post by jrrdw
Sun Apr 18, 2010 7:17 pm
About piston valves

Last post by Technician1002
Replies: 22
by Hubb » Fri Apr 09, 2010 1:49 pm
1

2
First post

Piston valves are always fun to talk about, right? Well, here's a question for us to ponder on:

Everyone says that the actual piston should be a bit...

Last post

The difficulty on getting flat face valves to seal initially so the chamber could be filled is one of the reasons I looked for an alternative.

The...
22 Replies

6564 Views

Last post by Technician1002
Sun Apr 18, 2010 11:19 am
Heads Up ^ T ^

Last post by boyntonstu

by boyntonstu » Sun Apr 18, 2010 8:29 am

i was attempting to seal a 1/2 faucet washer to a 3/4 oak piston at 600 psi.

(The 1/2 faucet size washer OD is 3/4 )

I was using an 8-32 screw and...

0 Replies

2051 Views

Last post by boyntonstu
Sun Apr 18, 2010 8:29 am
Black iron + pneumatics

Last post by suburban spudgunner
Replies: 8
by Marffy » Thu Apr 15, 2010 7:47 pm

First post

How long does it take to have a black iron pipe rust out to a point that it will be unsafe? i will be using black iron pipe for my HPA t piston and...

Last post

I've used black iron to build a (small-bore) gun.

I've been taking it to 150 psi for several years now (probably amounting to several thousand...

8 Replies

2991 Views

Last post by suburban spudgunner
Fri Apr 16, 2010 2:34 pm
Nerf/Other small projectile launcher planning. *update 1*

Last post by chinnerz
Replies: 32
by chinnerz » Tue Apr 13, 2010 8:41 am
1

2

3
First post

i will start making this once i confirm i can get the right sized barrel, but since i have no experience with nerf guns and making them i have...

Last post

you can build a piston valve, but most piston valves also fill from the pilot, and you should have known that, so you should defiantly do more...
32 Replies

12241 Views

Last post by chinnerz
Fri Apr 16, 2010 12:54 am

New Topic

8157 topics

Page 106 of 327
- Jump to page:
Previous
1
…
104
105
106
107
108
…
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