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

945111 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

62525 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

825376 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

196193 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

221883 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

315893 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

5182943 Views

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

Topics

Aluminum failure characteristics

Last post by Moonbogg
Replies: 21
by Moonbogg » Tue Oct 06, 2009 1:08 am
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Has anyone done any study or have any reference links/material as to what the characteristics of actual failure in aluminum pipe is? For what its...

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Right. Basically what i'm getting at is I want to know how much the Venom can take before blowing up. There are things that need to be taken into...
21 Replies

7933 Views

Last post by Moonbogg
Tue Nov 17, 2009 11:12 pm
Aluminum Joints

Last post by Moonbogg
Replies: 19
by kjjohn » Wed Nov 11, 2009 9:48 pm
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First post

How can I connect together aluminum pipe fittings without threads without welding them? I know that welding aluminum pipe will lose its strength if...

Last post

Another question, i aluminum bought from websites like onlinemetals heat treated or anodized? If not, will it cause a substantial loss in strength,...
19 Replies

5018 Views

Last post by Moonbogg
Tue Nov 17, 2009 11:00 pm
Buckshot Shells?

Last post by qwerty
Replies: 13
by qwerty » Wed Nov 11, 2009 12:45 pm

First post

What do you guys think is the best way to make buckshot shells for a 15mm barrel and also do you think 4.5mm BBs could act as shot.

Last post

What the f*ck? You too lazy, think the mods have nothing better todo? Get your act together and click the freakin button at the top right!

LOL i...

13 Replies

4389 Views

Last post by qwerty
Thu Nov 12, 2009 11:58 am
Big block of pvc

Last post by john bunsenburner
Replies: 27
by metalmeltr » Mon Nov 02, 2009 4:55 pm
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Does any one know where I can get a solid block of PCV that is 4 X4 X6 ? I came up with an idea for a breach loading cannon that would use a block of...

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Google clear pvc primer. Also you can use a heat gun and some other kind of plastic instead of PVC
27 Replies

7908 Views

Last post by john bunsenburner
Sat Nov 07, 2009 12:39 pm
Unorthodox Joint Advice

Last post by psycix
Replies: 18
by skyjive » Wed Nov 04, 2009 12:30 pm
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So I need to put a 1/2 copper pipe through a hole drilled through the middle of an iron endcap in such a way that the joint between the outside of...

Last post

Take extra care with steam... one of the most dangerous pneumatics ever.
One leak can give permanent burn marks, not to mention a sudden...
18 Replies

6368 Views

Last post by psycix
Thu Nov 05, 2009 3:23 pm
Epoxy Failure

Last post by kenbo0422
Replies: 5
by irisher » Mon Nov 02, 2009 8:39 pm

First post

After long period of procrastination I decided to fix my HPA bbmg. The swivel joint on the paintball remote snapped completely in two. The first...

Last post

Set screws... drill and place shallow set screws into the pipe and swivel assembly, then epoxy.

5 Replies

2633 Views

Last post by kenbo0422
Wed Nov 04, 2009 8:10 am
Getting epoxy off hands

Last post by mark.f
Replies: 14
by qwerty » Fri Oct 30, 2009 4:11 am

First post

I, myself, am a messy person and everytime i use epoxy i seem to get it on my hands :D Anyway its really hard to get off so does anyone know the best...

Last post

Acetone will dehydrate you very quickly, from my experiences. In any case one wouldn't do well to rub acetone into their hands to remove epoxy.

I...

14 Replies

4921 Views

Last post by mark.f
Sat Oct 31, 2009 8:41 pm
Question about pipe compatability

Last post by AngryChauncey
Replies: 1
by geniusbomberman » Tue Oct 20, 2009 11:21 pm

First post

I have heard that 3 fitting fit in 4 inch pipe for pistons or gluing. Would this also work for ammo(would it work if it was sanded down a little)?...

Last post

I don't know why you would want to shoot fittings, but yeah you can get them to fit in every situation you described.

1 Replies

1343 Views

Last post by AngryChauncey
Wed Oct 28, 2009 11:54 pm
Rifled copper barrel

Last post by Ragnarok
Replies: 37
by al-xg » Sat Aug 16, 2008 2:33 pm
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This is 16mm OD copper (~14mm ID) I experimented on, rifled at 1 turn per 8 inches (20cm).
I used a homemade tool made from a steel hex head bolt.
I...

Last post

The soldering doesn't need to be done along the whole length at the same time. With the way I'm doing it, I can just start at one end and move down....
37 Replies

18504 Views

Last post by Ragnarok
Sat Oct 24, 2009 1:11 pm
whats your most destructive ammo

Last post by ThegunGuy
Replies: 34
by covey12 » Fri Sep 18, 2009 2:24 pm
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just wondering what the most destructive ammo you ever made was, and if you would how you made

all cannons, all ammo

Last post

My best ammo are zip tie darts. Originally I created them for lawn darts but then I realized the potential they had. I will post a pic when I make...
34 Replies

13379 Views

Last post by ThegunGuy
Sat Oct 24, 2009 10:30 am
shotgun slugs for ammo

Last post by Gippeto
Replies: 13
by ThegunGuy » Wed Oct 14, 2009 8:55 am

First post

I was wondering if anyone has ever tried these slugs as ammo? this place sells them i like them better that midway but i cant get the link to work...

Last post

Jack, great little article. I enjoyed it. :)

Ramses , Metal Supermarket is where I get my DOM, they cut and ship. (It sucks being in the middle of...

13 Replies

3700 Views

Last post by Gippeto
Fri Oct 16, 2009 1:47 pm
Galvanized or black iron fittings?

Last post by maverik94
Replies: 4
by turner » Wed Oct 14, 2009 11:55 pm

First post

what would be better for a small bore qev gun. black iron or Galvanized fittings? there both about the same price

Last post

Black iron is a bit cheaper though.

4 Replies

1667 Views

Last post by maverik94
Thu Oct 15, 2009 4:38 pm
Spring door closer

Last post by POLAND_SPUD
Replies: 8
by daccel » Tue May 19, 2009 11:53 pm

First post

I salvaged 4 door closers like this one at a jobsite where they were being replaced a while back and finally got around to opening one up to see how...

Last post

@kenbo
you don't really need a spring door opener to do that.. adn the idea has been mentioned a few times before... but IIRC no one has tested it...

8 Replies

2554 Views

Last post by POLAND_SPUD
Thu Oct 15, 2009 1:10 pm
spool valves

Last post by POLAND_SPUD
Replies: 10
by POLAND_SPUD » Mon Nov 24, 2008 11:38 am

First post

hey I have one simple question...

Is it possible to actuate manualy solenoid valves like for example this one Clicky clicky

I htink I already...

Last post

yeah
the valve I bought has a mechanical override so I can use it without the solenoid....

but mechanical override is just an additional gizmo...

10 Replies

3364 Views

Last post by POLAND_SPUD
Thu Oct 15, 2009 12:17 pm
Homemade lathe

Last post by Demon
Replies: 15
by skyjive » Wed Oct 01, 2008 2:33 pm
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So I want to try making some advanced spudgun designs (e.g. semi-auto/auto) which require the use of o-ring seals. Now it is my understanding that if...

Last post

Hey! I am am currently making one too!

But instead of using a bike, i use a blender ac motor as power source...

Is should be posting it here soon...
15 Replies

7462 Views

Last post by Demon
Wed Oct 14, 2009 4:07 pm
which is more powerful?

Last post by Hubb
Replies: 4
by omar123omar » Wed Oct 14, 2009 1:29 pm

First post

which of those two is more powerful?

or

Last post

Which do you think is more powerful? I'm sure you've already searched and read up on the topic at hand. Surely, you had an opinion before you posted...

4 Replies

1892 Views

Last post by Hubb
Wed Oct 14, 2009 3:05 pm
Ammo GGDT calculations

Last post by jimmy101
Replies: 6
by jared555 » Fri Jan 02, 2009 12:05 am

First post

Is there a guide somewhere with what to put in for the Friction parameter in GGDT for say, a marble? (A list of different common ammo could be of...

Last post

Is there a guide somewhere with what to put in for the Friction parameter in GGDT for say, a marble? (A list of different common ammo could be of...

6 Replies

2487 Views

Last post by jimmy101
Wed Oct 14, 2009 2:04 pm
Help me guys, I want to make this air gun.

Last post by qwerty
Replies: 3
by omar123omar » Wed Oct 14, 2009 12:41 pm

First post

how to make it?

which parts do i need.

help me guys

Last post

its mine! ill pm you the parts but do some research on piston valves because do you even know how they work?

3 Replies

1695 Views

Last post by qwerty
Wed Oct 14, 2009 12:59 pm
stirrup pump construction questions

Last post by kenbo0422
Replies: 8
by SilentCyan » Tue Jan 06, 2009 8:02 am

First post

I am currently in the process of building a stirrup pump but have run into a few problems. my first problem is that i could not find any o-rings that...

Last post

O-rings can be stretched. Industry recommendations for o-rings:

Up to 5% stretch, best at 2%

40% compression for non moving parts, 30% for moving...

8 Replies

4106 Views

Last post by kenbo0422
Wed Oct 14, 2009 10:03 am
Mass of some objects?

Last post by jackssmirkingrevenge
Replies: 5
by Northir » Wed Sep 09, 2009 10:41 pm

First post

looking for some one that is willing to weigh some random objects for use in this app mostly curious about the mass of the following

plastic tack...

Last post

You might want to add something here .

5 Replies

1744 Views

Last post by jackssmirkingrevenge
Wed Oct 14, 2009 9:39 am
Hose Spray Gun

Last post by jor2daje
Replies: 7
by clemsonguy1125 » Sun Oct 11, 2009 10:47 am

First post

I was considering using a hose spray gun on a air gun but was hesident about the pressure. I have seen several guns on the site using it to pilot a...

Last post

I used one up to 160 psi with no leaks, I made a little multishot plinker here

7 Replies

2236 Views

Last post by jor2daje
Sun Oct 11, 2009 3:10 pm
book on rifling machine

Last post by jackssmirkingrevenge
Replies: 27
by black87 » Thu Jul 24, 2008 1:12 am
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Hi and hello been a long time since i was here at spudfiles and looked up rifling and every one has ideas on ways to go about them here is a book i...

Last post

Ah well, if anyone still has the file it would be nice to share this information again.

PM your email address and I'll send it over, only 5.9Mb pdf.
27 Replies

7903 Views

Last post by jackssmirkingrevenge
Fri Oct 09, 2009 5:05 am
Wax molding hints wanted

Last post by Moonbogg
Replies: 2
by boyntonstu » Mon Oct 05, 2009 4:35 pm

First post

I would like to place a glass marble into a wax mold to fit the barrel.

Are there some time and labor saving methods that you have discovered?

Mold...

Last post

Pneumatic bb gun?

2 Replies

1321 Views

Last post by Moonbogg
Tue Oct 06, 2009 12:19 am
[Video] Showcase of Various Ammo and Warheads for Spudguns

Last post by Technician1002
Replies: 1
by logicbomb » Sun Oct 04, 2009 11:55 pm

First post

Content Removed by drac.

Let it be noted that discussion of any incendiary projectiles is highly illegal and strictly prohibited by forum rules....

Last post

Explosive warheads are against forum rules. May wish to review them.

1 Replies

1183 Views

Last post by Technician1002
Sun Oct 04, 2009 11:57 pm
Spudgun ammo weight (LIST)

Last post by boyntonstu
Replies: 38
by theBOOM » Wed Sep 09, 2009 11:20 pm
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Ok.. So I'm basically starting this thread to get a list of spud related ammunition and their corresponding weight (and diameter if possible)... If...

Last post

Glass Marble weight

Using a postal scale I determined that 6 glass marbles weigh 1 oz.

7,000 grains per pound
16 ÷
--------------------------...
38 Replies

7712 Views

Last post by boyntonstu
Sat Oct 03, 2009 4:07 pm

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