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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

626805 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

49485 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

729985 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

140039 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

171366 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

259462 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

5097414 Views

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

Topics

Are these good for Pnuematics?

Last post by CS
Replies: 14
by -T0OL- » Wed Oct 11, 2006 9:04 pm

First post

1. PVC RIGID CONDUIT - CSA Its a grey color.(no pressure rating that i could see so im gunna guess no)

2. ABS/DWV it says schedule 40 on the pipe...

Last post

Cannon Construction

Don't look for Look for a pressure rating. Pressure rated pvc comes in DWV too. ~frankrede

Bah! How many times has this...

14 Replies

4779 Views

Last post by CS
Thu Oct 12, 2006 2:08 pm
IPEX

Last post by jrrdw
Replies: 15
by SpudStuff » Mon Sep 11, 2006 6:01 pm
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I completed the online training and look what they sent me!

Pretty Nice Pen

Last post

So how long did it take you all to get the prize/deplomia/ink pen?
15 Replies

5268 Views

Last post by jrrdw
Thu Oct 12, 2006 7:42 am
AA Batteries

Last post by MrCrowley
Replies: 3
by haulinick » Tue Oct 10, 2006 10:49 pm

First post

I discovered the other day that AA batteries fit perfectly in half in. copper pipe. I have looked and couldn't find anyone saying anything about this...

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maybe it different in New Zealand as 1/4 fittings here should be 6mm but instead theyre 8mm

3 Replies

1737 Views

Last post by MrCrowley
Tue Oct 10, 2006 11:20 pm
Destructive foil-wraped Dirtclods! (with pics and video!)

Last post by Extrusion
Replies: 9
by Extrusion » Sat Sep 30, 2006 7:28 pm

First post

This may sound wierd but when i ran out of potatos (Made my first combustion today and shot 4 bags of Russets.) i got 2 rolls of alluminum (cant...

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well that video is me using my crappy hairspray combustion wich was the first one i built...you see what it did to a window with a metal plate behind...

9 Replies

4809 Views

Last post by Extrusion
Mon Oct 09, 2006 9:16 pm
Oxy Acetylene as a fuel

Last post by Jolly Roger
Replies: 60
by sagacious » Thu Apr 27, 2006 8:57 pm
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Has anyone used Oxy Acetylene as a fuel for cannons? It's perfectly mixed, pressurized and has a LOT more energy per cu in than propane.
Yes I am...

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So for a 6x oxy accetylene mix your saying that its only going to put out in the vicinity of 920psig? *Thinking, I must double check this* I would...
60 Replies

21134 Views

Last post by Jolly Roger
Mon Oct 09, 2006 8:08 am
Polycarbonate Tubing

Last post by ammosmoke
Replies: 11
by ammosmoke » Mon Oct 02, 2006 6:09 pm

First post

:idea: Do you think that is would be OK to use clear polycarbonate tubing instead of clear pvc for a combustion chamber? It is WAY cheaper, (at...

Last post

Sweet! I can use it! We have a new, cheaper, better substitute for clear pvc!

Gnobbes, go to the link in my previous post, there you can buy some.
I...

11 Replies

5420 Views

Last post by ammosmoke
Tue Oct 03, 2006 4:36 pm
Odd question

Last post by sgort87
Replies: 6
by PVC Arsenal 17 » Sat Sep 30, 2006 9:28 pm

First post

anyone know the outer diameter of those plastic flim cans? I might use them for shot shells

Last post

I think he means how does he keep it from sliding into the chamber.

Put a screw through the back of the barrel to stop it and you shouldn't need to...

6 Replies

2850 Views

Last post by sgort87
Mon Oct 02, 2006 12:29 am
Rocket ammo idea

Last post by deethboy
Replies: 3
by Extrusion » Sat Sep 30, 2006 9:14 pm

First post

Ok its about 10:10pm and im bored so ive been thinking of ammo for my combustion cannon wich i made today and i had this idea of using a mini bottle...

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maybe that would work.

3 Replies

2884 Views

Last post by deethboy
Sun Oct 01, 2006 12:59 pm
ammo question

Last post by Batz
Replies: 2
by Batz » Sat Sep 30, 2006 8:05 pm

First post

is pills can work as ammo and if it will work then is there way to buy those bottles with 100 pills and use it as a clip of ammo????

Last post

i prity much a complete noob at the subject so can i have some refference to a blue print that can be alter

2 Replies

1862 Views

Last post by Batz
Sat Sep 30, 2006 8:26 pm
Plastic pipe.

Last post by SpudStuff
Replies: 5
by frankrede » Thu Sep 28, 2006 11:18 pm

First post

Guys usplatic.com has cheap pipe sch 40&80.
ALso they have good prices on clear pvc.
Starting at .70$ a foot, and for 10 ft of 2 inch it is about $60

Last post

That 2 pipe is rated SOOO low. Try on the 100's of psis.

5 Replies

2873 Views

Last post by SpudStuff
Fri Sep 29, 2006 11:05 pm
Plexiglass combustion chamber

Last post by ammosmoke
Replies: 11
by ammosmoke » Thu Sep 28, 2006 9:57 pm

First post

:idea: What if you were to make a plexiglass combustion chamber?
you could heat up the plexiglass and bend it to make it round, and glue it with...

Last post

thanks! cool site!

11 Replies

4029 Views

Last post by ammosmoke
Fri Sep 29, 2006 10:57 pm
Vortex Blocks

Last post by noname
Replies: 6
by noname » Wed Aug 09, 2006 8:14 pm

First post

For my vortex blocks I use 1/2 acrylic sheet, only $0.50 for a 4 x 4 square. It's tough and durable and it's clear. 8) Too bad it smells like crap...

Last post

I did already.

6 Replies

2963 Views

Last post by noname
Thu Sep 28, 2006 7:36 pm
how to make a silencer

Last post by boilingleadbath
Replies: 17
by Taternator » Sun Sep 17, 2006 1:33 pm
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my gun is really loud and i need to make a silencer i have some ideas but i need some more info some one help

Last post

Impact isn't that loud - most of us advocate suppressors for confort and politeness (to neibors), not steath .
17 Replies

31915 Views

Last post by boilingleadbath
Thu Sep 28, 2006 2:01 pm
camera projectile

Last post by POS
Replies: 19
by saladtossser » Mon Mar 20, 2006 1:47 am
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i'm bored

Last post

You should add a parachute to the consept. One that's open on the highest point. Not to difficult to make, if you dont know how, i'll give plans ont...
19 Replies

7871 Views

Last post by POS
Wed Sep 27, 2006 4:03 pm
80mm piston help

Last post by MrCrowley
Replies: 1
by MrCrowley » Tue Sep 26, 2006 9:31 pm

First post

ok, well i have a 80mm tee(3 ) for a piston housing and i have no way of attaching my 80mm end cap to the back coz no plumbing stores sell the right...

Last post

Ok, I usally don't bump topics but this is urgent.

BUMP :!:

1 Replies

1502 Views

Last post by MrCrowley
Wed Sep 27, 2006 3:44 pm
Ultimate Valves

Last post by MrCrowley
Replies: 10
by nabsnoabs » Sun Sep 24, 2006 5:03 pm

First post

these PLASTIC valves can hold up to 1400kpa
thats over 203psi!

and you can get them for about $25

i havent tried em yet, but im plannin to

Last post

oh sweet my dad owns a mitre 10(just 1 shop he doesnt own the whole business lol)

10 Replies

4977 Views

Last post by MrCrowley
Tue Sep 26, 2006 4:34 pm
Quick reausable ammo shells and cannon.

Last post by POS
Replies: 1
by zeigs spud » Sun Sep 24, 2006 6:44 pm

First post

well it's pretty self explanatory....once
click image to inlarge

questions/comments? plz no flamers :) [

Last post

It doesn't seems impossible. Try it out and let us know.

1 Replies

1655 Views

Last post by POS
Mon Sep 25, 2006 3:32 pm
M203 PB Grenade

Last post by dinsdale
Replies: 6
by noname » Wed Sep 20, 2006 6:43 pm

First post

This wouldn't be too hard to make, and everyone is trying to think of an M203 type paint grenade, so here's my idea. You'd have to use butane or...

Last post

Incorporate a c02 powerlet in the design, on impact it is pierced and pressurizes the grenade until it bursts.
make the body out of an asswipe tube...

6 Replies

4288 Views

Last post by dinsdale
Thu Sep 21, 2006 9:16 pm
Forum rules question

Last post by POS
Replies: 5
by thrasmussen » Thu Sep 21, 2006 12:15 pm

First post

Are rocket assisted projectiles against the rules? I do not wish to discus the making or illegal use of these projectiles only there implementation....

Last post

I mean a rocket shaped ammo, with or without payload. No propellant in the rocket.

Perhaps a spud gun could be combined with a water rocket, that...

5 Replies

3246 Views

Last post by POS
Fri Sep 22, 2006 9:27 am
High Pressure Materials for Pistons

Last post by Infernal2
Replies: 7
by Infernal2 » Mon Sep 11, 2006 9:44 pm

First post

I'm wondering if there is a possibility of using a high pressure rated material for the formation of pistons. I don't have much access to a lathe but...

Last post

I'd love to but alas, it too did not work.... Good for one use only...LOL

7 Replies

3055 Views

Last post by Infernal2
Wed Sep 20, 2006 8:26 pm
Dungdarts

Last post by POS
Replies: 2
by dungdue0 » Sun Sep 17, 2006 7:40 pm

First post

Dungdarts do not contain sh!t. They are darts made for 1/2 sch. 40 barrels. Sadly, if fired at a hard surface the body of the dart will crack in a...

Last post

When you take pictures, make sure the object you are shooting is not to close to the lens, and it should be lightened. Also make sure the background...

2 Replies

2223 Views

Last post by POS
Mon Sep 18, 2006 2:49 am
M203 Grenade Idea

Last post by thrasmussen
Replies: 11
by COD_FILLETS » Sun Sep 17, 2006 2:01 am

First post

I dont know whether the paintball M203s launchers actually launch M203 like grenades.

Heres my idea for an M203 grenade that could be launched from...

Last post

My Idea Is simple combining that other guy’s mini M203 idea with my shells that are similar to the spigot grenades of WWII. It's too dangerous to use...

11 Replies

4954 Views

Last post by thrasmussen
Sun Sep 17, 2006 5:14 pm
Chambers from propane cylinders

Last post by MrCrowley
Replies: 10
by dinsdale » Wed Sep 06, 2006 9:27 pm

First post

I'm thinking of making an air chamber for a pellet gun out of a used propane cylinder (one of those disposable green stubby ones).
I figure that if I...

Last post

90psi wtf?my blow gun says 90psi max yet i take it higher;
it should easily hold 130, At a temperature of 70° F, propane's vapor pressure is 124...

10 Replies

3404 Views

Last post by MrCrowley
Fri Sep 08, 2006 12:39 am
balls of steel

Last post by killagorrila99
Replies: 8
by a-ron » Sat Aug 19, 2006 11:33 pm

First post

i am making a cannon that has a barrel of 2.5 inches and i just happen to have some solid steell ball bearning that exact size. i dont know but i...

Last post

Well be ready to get knocked on your ass. Shooting something that heavy is going to some serious kick to it!! make a large pnuematic piston valved...

8 Replies

3681 Views

Last post by killagorrila99
Fri Sep 08, 2006 12:28 am
accelration ammo

Last post by pyromanic13
Replies: 11
by Bob_Spuds » Sat Jul 15, 2006 1:12 am

First post

i got an idea to make some projectiles from a bottle that you will pump with air (80 psi) and put it in a cannon (tube with on end closed) and then...

Last post

co2 rocket?

11 Replies

4567 Views

Last post by pyromanic13
Thu Sep 07, 2006 5:01 pm

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