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

635461 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

49629 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:...

Last post

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

731493 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

141390 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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First post

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...

Last post

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

172508 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

260796 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

5099072 Views

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

Topics

Not gun connected pistons

Last post by john bunsenburner
Replies: 21
by john bunsenburner » Fri Nov 07, 2008 5:54 pm
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Ok the name says it all; i want to build a gun whaere i have a back pack with an air reserve. the thing is i whant the gun to look real so i came up...

Last post

Ok i ahve an image for you people i hope it helps, this is my second idea, i am not quite sure how good it is. I hope it works
21 Replies

4628 Views

Last post by john bunsenburner
Sat Nov 08, 2008 6:41 pm
machine wax

Last post by Demon
Replies: 3
by grizzlybearjr » Wed Oct 29, 2008 6:12 pm

First post

i found that it doesn't make a very sturdy piston but it is a affective ammo if you can find it a a affordable price

Last post

You l'be better with a pvc endcap piston, work very well.

3 Replies

1275 Views

Last post by Demon
Wed Oct 29, 2008 6:55 pm
Soldering aluminium

Last post by frankrede
Replies: 11
by ALIHISGREAT » Wed Oct 29, 2008 6:09 am

First post

can aluminium be soldered with regular lead free solder? I searched on Yahoo and it came up with a few things, but they are kits for soldering...

Last post

Or use explosion welding to permanently bond two different materials:D

11 Replies

3791 Views

Last post by frankrede
Wed Oct 29, 2008 6:21 pm
Is this compressor worth buying?

Last post by judgment_arms
Replies: 26
by iisthemuffin » Sun Oct 26, 2008 6:57 pm
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I know its old and kind of poopy looking but i was wondering if it is worth buying. Its only 50 dollars after all.

Last post

If it were me, I would offer $40.00 for it that seems reasonable..
I got mine for a dollar ($1.00u.s.). :D

I wouldn't buy it with out looking at...
26 Replies

7641 Views

Last post by judgment_arms
Tue Oct 28, 2008 9:14 pm
Rifle barrel for spudgun

Last post by blafen
Replies: 25
by Kryptonian » Sun Sep 21, 2008 6:26 pm
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Has anyone used a real rifle barrel for these spud guns with slugs?

I would like to make a .308 cal air rifle (it would have to be non-...

Last post

Get yourself a muzzle loading barrel, cut the threaded breech off and shoot roundballs, the muzzleloadin barrels have a twist rate designed for lower...
25 Replies

7857 Views

Last post by blafen
Tue Oct 28, 2008 7:35 pm
Workbench Top

Last post by john bunsenburner
Replies: 16
by Velocity » Fri Sep 12, 2008 4:41 pm
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I had purchased a high quality workbench top to use with my recently finished workbench base. According to the manufacturer:

They are made of...

Last post

Sugar maple is used for pool cues so you can imagin wat kinda woad it is. It is elastic so i doubt it will splinter.
16 Replies

7841 Views

Last post by john bunsenburner
Sun Oct 26, 2008 4:43 pm
looking for tips

Last post by john bunsenburner
Replies: 8
by cannon monkey » Mon Sep 22, 2008 2:01 pm

First post

ok not much time here... not sure when i be back online dont got time check the rules but i thinking of ammo
that pops on impact
cheap
or reuseable...

Last post

What tools can you acces? Maybe you could make some kind of shot gun shell that opens on impact... Glass could be great but thats dangerous... How...

8 Replies

1984 Views

Last post by john bunsenburner
Sun Oct 26, 2008 4:34 pm
Sleeving 2.5" Pipe?

Last post by EphOph
Replies: 4
by EphOph » Thu Oct 23, 2008 8:17 pm

First post

Hello, I was wondering what 2.5 pipe sleeves into. Judging by some pictures, it looks like 3 SCH80 but I would like to make sure before I go and buy...

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DYI - Thanks, that helps a bunch.

My local plastic pipe distributor sells SCH 40 and 80 in all sizes from 1/2 to 12 (and beyond that for special...

4 Replies

1491 Views

Last post by EphOph
Sat Oct 25, 2008 10:18 pm
What can you make with a 1/4" hose?

Last post by cannon monkey
Replies: 22
by cannon monkey » Fri Oct 24, 2008 11:54 am
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from my last cannon i got some hose i believe it is 1/4 of an inch of presser rates hose or something like that
is it useless to me unless i making...

Last post

lol ok thanks mr crowley
i know who to look for if i need any help :D
will u be my friend? lol
22 Replies

3815 Views

Last post by cannon monkey
Sat Oct 25, 2008 5:13 pm
Improving darts - some thoughts

Last post by Ragnarok
Replies: 36
by Ragnarok » Sat Mar 08, 2008 1:45 pm
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Anywho, I’ve seen enough of coding for the moment, so I’m taking a break from that for a while.

So instead, I’ve been thinking about darts, and all...

Last post

since this topic is bumped... what kind of drag coefficient are you aiming for?
Below 0.1 ideally, which I think I can do. I'll need to get actual...
36 Replies

15235 Views

Last post by Ragnarok
Fri Oct 24, 2008 8:11 am
Pump modifying

Last post by john bunsenburner
Replies: 5
by elad311 » Thu Oct 16, 2008 10:33 am

First post

I have a great pump, and a want it to be always attached to my pneumatic cannon, but I need to modify it! see:
(the 1st picture shows the I need to...

Last post

as every body said it! that pump can easyly kill you. make a better one from a thick pipe, or build a piston compressor, ally ou need is a strong...

5 Replies

1836 Views

Last post by john bunsenburner
Fri Oct 24, 2008 5:44 am
Alternative production techniqes

Last post by jackssmirkingrevenge
Replies: 16
by SEAKING9006 » Wed Oct 22, 2008 7:30 pm
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After doing a bit of research as well as conducting a few experiments, I am happy to announce a few (probably) new concepts to the SpudFiles forums....

Last post

Plenty of casting advice here (though the examples of brands I link to seem to continously die) - you want low viscosity marine epoxy resin.

I...
16 Replies

4042 Views

Last post by jackssmirkingrevenge
Fri Oct 24, 2008 4:25 am
what material?

Last post by TurboSuper
Replies: 13
by spudman. » Sun Oct 19, 2008 8:46 pm

First post

my 4 abs chamber cracked.
is there anything more durable around the same cost.
i dont need the cannon to explode in my face.

Last post

For a basic combustion even normal DWV ABS is fine as long as it isn't cellcore. I saw a site where a guy fired it off with acetylene and it only...

13 Replies

3048 Views

Last post by TurboSuper
Mon Oct 20, 2008 7:38 pm
1/2" thin steel pipes

Last post by psycix
Replies: 8
by elad311 » Fri Oct 17, 2008 2:33 am

First post

I found 2 1/2 THIN steel pipes, the 1st is 1m, and the 2nd
is 90cm, I can't screw it, I want to use the 90cm one as a chamber, and the
1m one as a...

Last post

You could also consider using compression fittings or epoxy.

8 Replies

2385 Views

Last post by psycix
Sat Oct 18, 2008 5:24 am
Where are you guys finding 3" or 4" PCV??

Last post by SEAKING9006
Replies: 9
by euph111 » Wed Oct 15, 2008 4:48 pm

First post

Sorry for the noob question but I have been to Home Depot, Lowe's, and Ace Hardware here in San Diego and they don't carry anything bigger than 2...

Last post

McMaster is nice, but not if you aren't allowed to order over the internet. That's what Fastenal is for. They have craploads of locations, and if you...

9 Replies

3230 Views

Last post by SEAKING9006
Thu Oct 16, 2008 9:36 pm
Where to but a pressure gauge?

Last post by Sticky_Tape
Replies: 5
by elad311 » Tue Oct 14, 2008 1:59 pm

First post

What kind of stores sell pressure gauge? I need 1/2 one.

Last post

If you have a central near you look in the isle with sump pumps. Every central I have been to has sump pumps in a isle which also sells pressure...

5 Replies

2242 Views

Last post by Sticky_Tape
Tue Oct 14, 2008 6:20 pm
Canadian Spudders: SDR-21?

Last post by TurboSuper
Replies: 10
by EphOph » Wed Oct 08, 2008 10:43 am

First post

Does anyone know where to find this pipe in southern Ontario? I was able to locate SDR26 in Toronto but after several weeks of searching, the...

Last post

I saw some at Canadian tire I think.

10 Replies

3897 Views

Last post by TurboSuper
Fri Oct 10, 2008 6:18 pm
Cutting Copper Lengthwise

Last post by jimmy101
Replies: 8
by Velocity » Mon Oct 06, 2008 5:03 pm

First post

OK, cutting copper to make a solder joint is fairly straightforward; you use a tube cutter, or, if you are feeling particularly ambitious, you use a...

Last post

Like Gippeto said, A drill press or a router table (or a router) with a small ID straight cutting carbide tip should'nt have any problems cutting...

8 Replies

9636 Views

Last post by jimmy101
Tue Oct 07, 2008 10:27 am
can it fit?

Last post by CS
Replies: 2
by Grandtheftyourwife » Thu Oct 02, 2008 8:51 pm

First post

will a soda can fit down a 2.5'' barrel of pvc ?

Last post

Mark, thanks for a real answer. Everyone else seemed to gripe about this that and the other. Regardless, b*tching people out and ignoring the...

2 Replies

1792 Views

Last post by CS
Tue Oct 07, 2008 1:43 am
Couplers... I need opinions please. What's your preference?

Last post by AgiTator
Replies: 13
by AgiTator » Mon Sep 22, 2008 8:46 pm

First post

All right...

I've built several combustion gats and a few pneumatics. I love having interchangeable barrels and have usually (on the inline ones)...

Last post

that's a pretty sexy gat! I like the loading setup a lot.

13 Replies

5417 Views

Last post by AgiTator
Thu Sep 25, 2008 8:34 pm
2" barrel fav. ammo?

Last post by AgiTator
Replies: 30
by kaa-boom » Mon Sep 01, 2008 5:27 pm
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I was wondering what everybody's favorite ammo is. I've looked for alternatives other than potatoes, found a few, haven't tried em yet though... post...

Last post

Well- I'm in the process of molding up a batch of mortar slugs with masonry mortar that I had laying around. I may use stones in the next batch. I...
30 Replies

23751 Views

Last post by AgiTator
Wed Sep 24, 2008 7:25 pm
Building a sniper stock

Last post by al-xg
Replies: 8
by sv490665 » Wed Sep 17, 2008 4:16 pm

First post

Hey guys, i'm building the stock for my airsoft sniper project and i'm trying to inlay the co2/reg/chamber/valve inbetween two peices of 1x6 oakwood,...

Last post

I had to do exactly that, on my lastest cannon, and it is a pain to cut out all the shapes, takes alot of time without the right tools. (plus mine is...

8 Replies

3112 Views

Last post by al-xg
Fri Sep 19, 2008 1:18 pm
Pellet type ammo

Last post by psycix
Replies: 7
by BlackH » Tue Sep 16, 2008 7:20 am

First post

Used a 10mm fish tank hose and a 13mm steel ball and made the hose flare out to make the tale of the pellet work awesome in my 15mm copper barrel....

Last post

This ammo is quite an good idea! I love it!
The hose both acts as an tail AND it enlarges the diameter of your projectile.

7 Replies

3818 Views

Last post by psycix
Wed Sep 17, 2008 4:50 pm
Great 1/2'' piston design

Last post by Sticky_Tape
Replies: 9
by Sticky_Tape » Sun Sep 14, 2008 3:51 pm

First post

I have a great 1/2'' piston design to show you guys.
I have already made one of these for my 5mm and I didn't have to make any services on it yet....

Last post

The width of the piston is 1/2''. The o-ring isn't suppost to seal olny make the fit tight. when you cast a piston in epoxy you need to lube the wall...

9 Replies

2700 Views

Last post by Sticky_Tape
Mon Sep 15, 2008 5:12 pm
Ammo frustration

Last post by DYI
Replies: 13
by skyjive » Tue Sep 09, 2008 11:19 am

First post

So after much experimentation and thinking I am completely unable to come up with a workable projectile for accurate long-range shooting. I am well...

Last post

I'm a little unclear on what the sabot is made of, is it a wrapped cylinder of duct tape cut in half or something? The inner part is obviously a pipe...

13 Replies

4569 Views

Last post by DYI
Fri Sep 12, 2008 7:55 pm

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