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

630699 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

49532 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

730484 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

140614 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

171896 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...

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I use pvc plugs and caps
34 Replies

260062 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

5098082 Views

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

Topics

sabots and other parts

Last post by n00b
Replies: 2
by potatoflinger » Wed Jun 13, 2007 9:25 pm

First post

I was messing around on another site and I found a really easy way to make sabots and other ammunition. Here's a link.

It is quite amazing, but...

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If you want a sabot that's molded to your projectile (think of the AB foam sabot that the MythBusters are so fond of using), a coating of non-stick...

2 Replies

1565 Views

Last post by n00b
Sat Jun 30, 2007 11:53 am
pvc cement question, kinda

Last post by GORILLASAPIEN
Replies: 11
by GORILLASAPIEN » Thu Jun 28, 2007 5:37 pm

First post

Hi all,
my question is, i used primer and glue to create a pneumatic chamber, and when i pressure tested it, the seal between the fitting and the...

Last post

quick update: super glue, vaccum, superglue gel. no problem. tested to 150psi no leaks, works like a dream, pics coming soon. thanx again to every...

11 Replies

5693 Views

Last post by GORILLASAPIEN
Fri Jun 29, 2007 5:43 pm
PVC cement??

Last post by Intel Xeon
Replies: 25
by -BIGBEAR- » Thu Mar 15, 2007 12:08 pm
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This is my first post.....whoop dee doo.Anyway im about to build my first pneumatic and i want to know something,can i use PVC cement instead of a...

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multipurpose cement works fine. At first, I also thought it was a little sketchy, but it works ok.
25 Replies

9351 Views

Last post by Intel Xeon
Thu Jun 28, 2007 7:50 pm
Hole puncher ammo

Last post by jackssmirkingrevenge
Replies: 28
by goathunter » Sun Jun 24, 2007 10:26 pm
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I came up with this new ammo a few days ago.I made them out of 7.62x39 bullet casings and buckshot.The diagram explains it.And the pics can speak for...

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Jack do you own that? cause it looks like you took pictures of it on your kitchen floor.

Much as I'd love to have rods of depleted uranium running...
28 Replies

7693 Views

Last post by jackssmirkingrevenge
Tue Jun 26, 2007 10:52 pm
different projectiles?

Last post by mtronic
Replies: 20
by mtronic » Sun Jun 24, 2007 2:41 am
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I was just wondering what kinds of projectiles you guys have been making?

My favourites are frozen glow in the dark potato cores, lemons and my...

Last post

hahaha ice core 1 doubled over a milo tin from 10mters out lol
20 Replies

5520 Views

Last post by mtronic
Tue Jun 26, 2007 3:24 am
1/2'' Ammo?

Last post by knappengineering
Replies: 28
by Counterstriker » Mon Jun 04, 2007 6:24 pm
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What can I use in a .5 barrel thats not hard to find...

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-mini marshmallows(work best if stale so leave the bag open for a few days before launch)
-ice(put plastic wrap on the end of a piece of 1/2 pipe,...
28 Replies

6349 Views

Last post by knappengineering
Mon Jun 25, 2007 10:00 pm
School's out!!!

Last post by ammosmoke
Replies: 28
by potatoflinger » Fri Jun 15, 2007 11:14 am
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Today was the last day of school for me, and on the bus on the way home, I was thinking of what I could do with all of my school papers, and I...

Last post

YAY I'M OUT NOW!!!!!!!! YAYAYAYAYYAYAAYAY
28 Replies

7344 Views

Last post by ammosmoke
Sun Jun 24, 2007 3:20 pm
Pipe Classes and Ratings... help!

Last post by uberlad
Replies: 2
by uberlad » Sun Jun 24, 2007 12:28 am

First post

When a pice of PVC pipe has a class rating printed on the side, such as class 9, class 12, or class 18, that means how many bars of pressure it can...

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Thanks :D , I was just double checking.

2 Replies

1206 Views

Last post by uberlad
Sun Jun 24, 2007 1:13 am
Small Ball valve

Last post by A-98
Replies: 6
by shud_b_rite » Sat Jun 23, 2007 10:33 pm

First post

This probably isn't worth starting a new topic for but I'm really stuck with finding this part. Where can i get a ball valve that is identical to the...

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woot! NZ is awesome, by far on of my fav countries.

Trae, check out palmers-pursuit shop. they have a 1/8 ballvalve that can handle very high...

6 Replies

2057 Views

Last post by A-98
Sun Jun 24, 2007 12:53 am
lead bullet weight ?

Last post by RDX,
Replies: 18
by RDX, » Sun Jun 17, 2007 8:27 am
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does anybody know how many grams lead muzzleloading Bullet 32 Caliber (315 Diameter) Round Ball weights 8)

Last post

To calculate the volume of a sphere:

4/3 pi r 3

And then you multiply that by the density (11.3 g/cm 3 for lead, IIRC)

Assuming I'm right about...
18 Replies

4428 Views

Last post by RDX,
Tue Jun 19, 2007 1:30 pm
Underpants

Last post by PCGUY
Replies: 10
by Opossum » Sat Jun 16, 2007 11:22 pm

First post

I just sent a wet pair of tighty whitey underpants into someones yard. It's dark out and tomorrow I'll see if I can find where they landed. Has...

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Em yeah... lets try to not get arrested here, K?

10 Replies

3437 Views

Last post by PCGUY
Sun Jun 17, 2007 3:33 pm
perfect destruction ammo

Last post by Bubba05
Replies: 17
by mikenike192 » Tue Jun 06, 2006 3:24 pm
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ok my friend and i just finished the perfect piece of ammunition. At like 40 psi it broke both of saw horses i used to hold a piece of wood up (at...

Last post

Thats NUTS mate! add more weight see what happens!

Bubba
17 Replies

8336 Views

Last post by Bubba05
Sun Jun 17, 2007 10:55 am
Pipe types: pvc and fitting problems

Last post by frankrede
Replies: 15
by megalomaniac » Tue Jun 12, 2007 4:19 pm
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Hello everyone, I have a problem with fittings for a pvc pipe. I'm using pvc 4 sewer pipe (not sure if its safe and it doesn't fit) and it won't fit...

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question: i have pipe labeled NSF-DWV but it also gas a presure rating on it, is that still safe to use? Most pressure pipe carries both, so yes you...
15 Replies

4000 Views

Last post by frankrede
Sat Jun 16, 2007 11:41 pm
Water Balloons

Last post by rednecktatertosser
Replies: 30
by pneumaNINJA » Tue Apr 18, 2006 6:14 pm
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I've been trying to use small water balloons with my 1.5 barrel pneumatic, but even with wadding, low pressure and lubrication, they usually burst....

Last post

I have no problem shooting water balloons (at my truck) out of my cannon...

you like shooting things at your truck dont you...

anyways if you fill...
30 Replies

12195 Views

Last post by rednecktatertosser
Sat Jun 16, 2007 11:08 pm
3/4 inch sleeving

Last post by frankrede
Replies: 4
by Big-mac » Fri Jun 15, 2007 9:21 pm

First post

what sleeves 3/4 inch schedual 40 pvc

Last post

1 inch PVC fits TIGHTLY around it. my advice is to get yourself at least 23 other people to help you, as well as some hydraulic rams of some sort to...

4 Replies

1256 Views

Last post by frankrede
Sat Jun 16, 2007 10:38 pm
help with one inch ammo

Last post by Modderxtrordanare
Replies: 7
by Big-mac » Thu Jun 14, 2007 11:07 pm

First post

Im in the process of making my FIRST pneumatic cannon. does anyone have any good ammo for 1 inch pvc? besides bouncy balls

Last post

the only reason i hvnt finished yet is when i went to lows and bought a nsf fitting instead of sch 40.

NSF-PW fittings are the ones you want.

7 Replies

2149 Views

Last post by Modderxtrordanare
Fri Jun 15, 2007 8:56 pm
custom bolt dart (v2)

Last post by lukemc
Replies: 6
by lukemc » Thu Jun 14, 2007 1:27 pm

First post

well i got board of shooting grapes out of my ghetto burstdisk
so i came up with this and man it is scrary!! (i also tripled the barrel lenth on my...

Last post

my neibors have a big koi( is that how its spelled) pond with like 2 foot long koi. but i dont think they would be too happy with me if i shoot a...

6 Replies

2407 Views

Last post by lukemc
Fri Jun 15, 2007 3:37 pm
Smoke grenade etc

Last post by flamerz14
Replies: 24
by flamerz14 » Tue May 29, 2007 4:23 am
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Does anyone know how to build a reuseable smoke grenade or at least something that works like one that I can soot out of a spudgun?I know about those...

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se boilingleadbath? Opackrat agrees with me (or somewhat). the folded paper cant survived being launched from my trabuchet and cata[ult. Its nt gonna...
24 Replies

6292 Views

Last post by flamerz14
Thu Jun 14, 2007 6:42 am
Bad News

Last post by PCGUY
Replies: 8
by Specialist » Tue Jun 12, 2007 9:36 pm

First post

this is one of my few pieces of ammo i have designed but this i never tested. i used a film canister, a bouncey ball, and a titanium rocket bottle...

Last post

Please read the rules. Using ammo of this nature makes your cannon a destructive device, which is a federal crime here in the USA.

Locked.

8 Replies

2783 Views

Last post by PCGUY
Wed Jun 13, 2007 9:15 am
Grenade/shotgun round

Last post by Redcoat
Replies: 7
by homedepotpro » Sun Jun 10, 2007 10:50 am

First post

this is my idea for a shotgun/grenade round. i was hopping it would open on impact but it open upon exit of the barrel which is fine. the ends are...

Last post

thats not a bad idea i like it.For my gun i'll use 20 cent coins instead of poker chips .

7 Replies

3241 Views

Last post by Redcoat
Mon Jun 11, 2007 12:33 am
Calculating tensile strength of aluminum tube

Last post by Solar
Replies: 3
by Solar » Sun Jun 10, 2007 12:57 am

First post

Anyone have the formula? I forget how to take the ultimate tensile strength and calculate it based on different wall thickness in a tube.

Last post

I also love it that I have a 10 to 1 safety factor with the 6061 tubing I am using.

3 Replies

4453 Views

Last post by Solar
Sun Jun 10, 2007 1:20 am
Question about metal for welding.

Last post by chaos
Replies: 18
by us sniper » Sat Jun 09, 2007 1:42 am
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At home depot there is a sign that says that it is dangerous to weld with zinc plated metals. Is the zinc plated metal which is the darker kind...

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personaly i have a Esab Caddy tig welder set up at home and can double purge welds on pipe to have one really neat weld, i do not weld mild steel...
18 Replies

4204 Views

Last post by chaos
Sun Jun 10, 2007 12:31 am
Clearance Epoxy

Last post by iknowmy3tables
Replies: 9
by judgment_arms » Wed Jun 06, 2007 11:33 pm

First post

Hay all,
Do any of you know if this stuff will bond to PVC?
I’d like to know because the China-mart near me has it on clearance for 10 cents a pop!...

Last post

that pipe is kinda big to be pluging with epoxy, you should use pvc parts, it you have a lathe try pluging that 1.5 pvc with part of a sanded 1 end...

9 Replies

2101 Views

Last post by iknowmy3tables
Fri Jun 08, 2007 1:26 pm
Pvc?

Last post by jimmy101
Replies: 17
by Counterstriker » Wed Jun 06, 2007 7:21 pm
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Whats the diffrence between dwv or what ever its called and pvc?

Last post

What is the difference between pipe marked not for pressure and the pipe which has a pressure rating on it? I'm not talking about cellcore pipe here;...
17 Replies

4554 Views

Last post by jimmy101
Thu Jun 07, 2007 4:04 pm
Shattered Balls*

Last post by Hotwired
Replies: 9
by chaos » Thu Jun 07, 2007 5:36 am

First post

Hmmm well can i ask all of those who have marble long arms what you get when you shoot at 4mm thick aluminum (or similar)?

my marbles i use are the...

Last post

I use lead slugs but theres not enough force in a spudgun to really pancake them.

Flattens off a bit of it but nothing amazing.

9 Replies

2642 Views

Last post by Hotwired
Thu Jun 07, 2007 12:38 pm

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