Ammo & Materials

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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

629116 Views

Last post by quinn whitsitt
Fri Feb 09, 2024 2:38 pm
PVC Pipe Info

Last post by PCGUY

by PCGUY » Wed Oct 09, 2013 1:38 pm

PVC Pipe Info

PVC is used by plumbers, pool installers, and so on, and local building and construction regulations set the safety and materials...

0 Replies

49508 Views

Last post by PCGUY
Wed Oct 09, 2013 1:38 pm
The Offcial Machinist Thread: Revised 01/04/2014

Last post by Yexinss
Replies: 1097
by jrrdw » Tue Aug 02, 2011 5:54 am
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This is where members who need help getting machining done to their spudgun parts. There will be some guide lines and they are as follows:...

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As my title described, 2k for modifying Daytona Recoil system to shoot Nerf darts. Full mechanical no wires no battery only HPA. If you can machine...
1097 Replies

730227 Views

Last post by Yexinss
Wed Aug 25, 2021 12:22 pm
Good Deals Thread

Last post by PaperNinja
Replies: 41
by clemsonguy1125 » Wed Aug 11, 2010 8:01 pm
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I keep seeing good deals on ebay for cheap parts that would be great for spud guns but not the kind I build. I figured it would be a good idea to...

Last post

$550 4500psi compressor
41 Replies

140381 Views

Last post by PaperNinja
Wed Dec 05, 2012 7:08 pm
Launcher Failure Analysis Log

Last post by SEAKING9006
Replies: 32
by Velocity » Sun Apr 15, 2007 11:28 am
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The idea behind this thread was taken directly from a sticky on the Spudtech forums, seen at I, along with several other members, believe that this...

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I never made my inside out sleeve valve because I didn't know how to use o-ring, most important of all don't try gluing them in place, second if its...
32 Replies

171683 Views

Last post by SEAKING9006
Fri Jun 27, 2008 8:11 pm
Golf Ball Barrel FAQ

Last post by K8TOW
Replies: 34
by squeaks » Wed Jan 24, 2007 6:42 pm
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Okay, so one of the most asked about barrel is the golf ball barrel. Here are some frequently asked questions(and some unfrequent ones too).

Q: Why...

Last post

I use pvc plugs and caps
34 Replies

259831 Views

Last post by K8TOW
Thu Mar 16, 2023 5:22 am
Ammo Ideas

Last post by quinn whitsitt
Replies: 359
by PCGUY » Tue Apr 04, 2006 10:48 am
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First post

Ammo

I have put together a few ammo ideas for different size barrels. All pipe is PVC unless otherwise stated. If you think any ammo ideas should...

Last post

help sorry i typed to fast
359 Replies

5097783 Views

Last post by quinn whitsitt
Thu Feb 15, 2024 11:44 am

Topics

Wax Pellets

Last post by Goats spudz
Replies: 8
by Fexo180 » Tue Nov 01, 2011 11:43 am

First post

I made some pellets with melted candle wax, as a die i used a short length of barrel around 3/4 inch long and 11mm ID plugged the bottom with a bit...

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i made some wax bullets with panel pins in them and they will penetrate 3cm of mdf and embed all the way into hardwood

8 Replies

3486 Views

Last post by Goats spudz
Wed Nov 02, 2011 4:28 pm
m-40 (marking round) added photos

Last post by thekiller578
Replies: 15
by thekiller578 » Wed Oct 12, 2011 7:53 am
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i really don't know if anyone tried shooting the liquid in a glowstick out of a cannon before?
i remember reading about a post dealing with pouring...

Last post

this is pretty cool :D

you should use clear pvc and fill that with the liquid
Not a bad idea! only problem now is that im currently working on a...
15 Replies

7269 Views

Last post by thekiller578
Wed Oct 26, 2011 3:25 pm
look what I've got(directional flow control valves)vid added

Last post by POLAND_SPUD
Replies: 26
by POLAND_SPUD » Tue Nov 17, 2009 6:46 am
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look what I've got for 10PLN (~3.6$)

bought off a site similar to ebay

lighter is for scale

Last post

Thing is with circuits made from valves like this, they tend to be somewhat rambling and bulky
That's why they created time delay valve where...
26 Replies

8419 Views

Last post by POLAND_SPUD
Tue Oct 25, 2011 3:24 am
Bingo...ammo found

Last post by jackssmirkingrevenge
Replies: 41
by Moonbogg » Wed Oct 05, 2011 1:56 pm
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The cannon I am working on will likely feature a 2 1/2 ID barrel. Look what I found.

Not TOO expensive either. $1.80 each? That sounds really...

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Im pretty sure it would gyroscopically stabilize it

... in one plane, perhaps, but not along the direction of travel, which is the sort of spin...
41 Replies

13851 Views

Last post by jackssmirkingrevenge
Fri Oct 21, 2011 1:10 pm
Looking for new Ammo

Last post by MrCrowley
Replies: 8
by jsefcik » Fri Jul 29, 2011 12:41 am

First post

Any good ammo ideas : Any takers?????
Post em here
Ammo and pipe size used

Last post

At least Karl Pilkington is funny.

8 Replies

2971 Views

Last post by MrCrowley
Wed Oct 12, 2011 6:34 pm
2 1/2" barrel ammo

Last post by biged
Replies: 10
by Moonbogg » Fri Sep 23, 2011 12:01 am

First post

I am leaning toward an aluminum tube with an exact 2 1/2 ID. I want to shoot tennis balls, and last time I checked 2 1/2 SCH40, it was a REALLY tight...

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2-3/4 (2.75) tail pipe has an ID of 2-5/8ths (2.625)

Old tennis balls will roll in with ease, new ones (fuzzier) will have to be gently pushed....

10 Replies

3327 Views

Last post by biged
Sun Oct 02, 2011 8:23 am
My ammo

Last post by stuffbuilder
Replies: 20
by stuffbuilder » Sun Sep 11, 2011 8:42 pm
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Just made some new ammo for my 2.5 air cannon: 90 calorie soda cans filled with concrete! They fit pretty good and certainly have some weight to...

Last post

Oh I see what you mean now. I'm just going to reenforce the barrel-frame connection though. After all, big projectiles = more damage = more fun!
20 Replies

5995 Views

Last post by stuffbuilder
Sat Oct 01, 2011 11:48 pm
need coupling dimensions

Last post by jackssmirkingrevenge
Replies: 3
by JDP12 » Wed Sep 28, 2011 4:03 pm

First post

Hey all- I'm currently working on a 3-D model of a gun, but I need some specifications as I don't have any parts with me at college right now. I need...

Last post

need coupling dimensions

Looks about the same dimensions as a standard DVD box.

3 Replies

1279 Views

Last post by jackssmirkingrevenge
Wed Sep 28, 2011 11:21 pm
GGDT and windows 7

Last post by mattyzip77
Replies: 3
by motorfixer1 » Tue Sep 27, 2011 8:41 pm

First post

Has anyone had experience with using GGDT on windows 7? I have it on a desktop that has XP pro and it works fine. Everytime I open the un-zipped .EXE...

Last post

wow, I actually helped someone! Chalk one up for me!!! Actually, Crowley told me that trick, cant take all the credit!! :lol:

3 Replies

1894 Views

Last post by mattyzip77
Tue Sep 27, 2011 9:14 pm
Potato Explosion Idea

Last post by jrrdw
Replies: 7
by ryan71 » Fri Sep 23, 2011 10:31 am

First post

Hey guys. I'm working on a bullet that incorporates the same function as a tank shell and is as follows. Take a potato and split it in half. Hollow...

Last post

or lose your fingers trying...

Not too familiar with modern solid propellants, are you Goats?

Has anyone PMed a mod to lock/delete this yet ?...

7 Replies

2290 Views

Last post by jrrdw
Fri Sep 23, 2011 2:40 pm
JSR wants a lathe/mill thread -> JSR buys Sherline

Last post by jackssmirkingrevenge
Replies: 220
by jackssmirkingrevenge » Tue May 17, 2011 9:05 am
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Does anyone have any experience of this device or similar unbranded knock-offs?

It looks like just the sort of thing one would need to work with...

Last post

you've got a lathe

we get it

No, I got it :) the purpose of these posts is to convince you to get one too ;) it's only a matter of time I'm sure....
220 Replies

60144 Views

Last post by jackssmirkingrevenge
Thu Sep 22, 2011 12:14 pm
Burst disc calculation help

Last post by whoa044
Replies: 7
by BigBang J » Wed Jul 20, 2011 8:58 pm

First post

Hey guys,

I know I've seen this on here somewhere bu I can't seem to find it.

How do you go about calculating the thickness of your burst disc to...

Last post

I have 40 Gauge copper sheets that I use as discs in my pneumatic HPA gun.

I have a 1/2 union, although the actual diameter of the disc that is open...

7 Replies

4681 Views

Last post by whoa044
Tue Sep 13, 2011 4:33 pm
Sprinkler valves in Europe ?

Last post by wyz2285
Replies: 5
by jasperh » Sun Sep 11, 2011 1:45 pm

First post

Where in the **** can I get some electric sprinkler valves in europe ? I've tried ebay and theres only some in the US with like 30 GBP shipping...

Last post

I have taken this one up to 1000 psi with my fridge compressor :D

5 Replies

3355 Views

Last post by wyz2285
Tue Sep 13, 2011 9:25 am
Variations of CO2 tanks

Last post by _-J-O-R-D-A-N-_
Replies: 2
by _-J-O-R-D-A-N-_ » Sun Sep 04, 2011 11:05 pm

First post

I've been thinking of constructing my own regulator kit using an Aquarium co2 regulator with a Sodastream or paintball tank.

This link here is the...

Last post

ahh yes, I've heard some dangers talked about on another website. Either way, I'm probably just gonna go out and buy some tanks that are specifically...

2 Replies

1730 Views

Last post by _-J-O-R-D-A-N-_
Mon Sep 05, 2011 5:00 am
Material Dilemma

Last post by Moonbogg
Replies: 21
by Moonbogg » Sat Sep 03, 2011 2:34 am
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So, I am making this hybrid cannon and I am, yet again, battling between strength vs weight benefits. I'll keep this simple. I want some of the parts...

Last post

You people suggesting titanium obviously have no idea of:

a) The price of raw titanium stock

Titanium: 0.5 x 12 x 12 $547.00 from Online metals....
21 Replies

5893 Views

Last post by Moonbogg
Sun Sep 04, 2011 2:18 pm
machined parts in Canada

Last post by MrCrowley
Replies: 4
by eXodus31337 » Fri Aug 26, 2011 6:08 pm

First post

Hey,

Do any of you guys know of a workshop where I can send plans to receive machined parts in Canada?

I'd like to bring my canon to the next level...

Last post

i didn't know what keywords to look for, mainly due to some degree of language barrier and the massive size of your forums.
Stickies are posted at...

4 Replies

1560 Views

Last post by MrCrowley
Sat Aug 27, 2011 12:03 am
Freebie Guide - Hobbyist Guide

Last post by K8TOW
Replies: 39
by Davidvaini » Thu Jan 21, 2010 3:13 am
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Hey guys, I thought of making a list of a few things that Spuders and other hobbyists would find useful . The list would be of different items and...

Last post

when i used the fire extinguisher,i used pipe dope with jb weld around the top edge.yes i know its permanent,but i dont have leaks.i have tested it...
39 Replies

12638 Views

Last post by K8TOW
Fri Aug 19, 2011 10:53 pm
Ideal Piston Valve Lubricants

Last post by POLAND_SPUD
Replies: 26
by kamranalig314 » Mon Nov 29, 2010 9:36 pm
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Hey everybody
New to the forum, just wanted to say hi to ya'll. I've been a spudder a while now, but I have been taking a long break up until...

Last post

I'd like to point out the only reason I even read through this topic was to see if JSR managed to fit any jokes in somewhere to be honest I checked...
26 Replies

7593 Views

Last post by POLAND_SPUD
Mon Aug 15, 2011 12:46 pm
Question about mcmaster 3-way valves

Last post by Fnord
Replies: 1
by JDP12 » Sat Aug 13, 2011 1:28 am

First post

Hey all, I need a small 3 way valve to use for fueling on a small combustion.

I'm eyeing, mcmaster #62475K22 . However I have a question. According...

Last post

I *think* such valves exhaust in an area where threading in a new connection might not be possible -If they're similar to the ones I've seen at...

1 Replies

1296 Views

Last post by Fnord
Sat Aug 13, 2011 9:39 am
a good ammo for you :3

Last post by wyz2285
Replies: 3
by Goats spudz » Tue Aug 09, 2011 11:37 pm

First post

if you dont use the paper shell you could shoot them

:P

Last post

That´s a lot of solder just to make a bullet :shock:

3 Replies

1718 Views

Last post by wyz2285
Wed Aug 10, 2011 6:17 am
paranite as the sealing face

Last post by saefroch
Replies: 5
by CollegeGuy » Sun Aug 07, 2011 6:44 am

First post

Today I went to my local hardware shop and searched for a good and hard rubber for the sealing face of my piston but there were only some black,...

Last post

What mattyzip77 is referring to is generic gasket material. It's as good as anything for a sealing face. If that isn't good enough, look into using a...

5 Replies

2561 Views

Last post by saefroch
Sun Aug 07, 2011 1:57 pm
Vacuum Pump.

Last post by saefroch
Replies: 8
by warhead052 » Fri Aug 05, 2011 6:43 pm

First post

I know its harbor freight, but for the price it may be worth trying. I wish I knew about this when I had a hard time sealing a couple air tanks... I...

Last post

Yeah, but its still kind of false advertising. They say its a Pump when there is no pump in it.
It just uses compressed air to create a vacuum...

8 Replies

2784 Views

Last post by saefroch
Sat Aug 06, 2011 2:02 pm
2" sprinkler valve, fittings, gauges, etc. For sale

Last post by LCTChamp
Replies: 7
by LCTChamp » Thu Aug 04, 2011 3:17 pm

First post

I need money for my new gun so I'm selling some parts. All prices negotiable and don't include shipping. Better deals if you buy multiple items....

Last post

What is a 2 1/2 x 2 1/2 bushing :lol:
I think he meant coupler...
Speaking of which......

oops ur right i meant coupler

7 Replies

3771 Views

Last post by LCTChamp
Fri Aug 05, 2011 6:55 pm
UK - Parts Locations

Last post by nathanhd123
Replies: 7
by PCGUY » Sun Aug 27, 2006 2:35 am

First post

Having a hard time finding spudgun parts in the UK? Find a good seller of pressure rated pipe in the UK? Then post about it in this thread.

Last post

Haven't tried it yet but lots of stainless steel pipe and fittings.

7 Replies

7523 Views

Last post by nathanhd123
Thu Aug 04, 2011 7:21 am
My New Darts, very easy to make

Last post by jsefcik
Replies: 2
by jsefcik » Wed Aug 03, 2011 10:18 pm

First post

I took some 12 gauge shells, using a bench grinder, i took off the metal bands and front metal plate , and made the smooth until it fits in the sch40...

Last post

I've have done that but the kind you are showing some times the are too tight , I think but using a different wad works well , using a wad and shell...

2 Replies

1282 Views

Last post by jsefcik
Thu Aug 04, 2011 6:42 am

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