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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

1559749 Views

Last post by quinn whitsitt
Fri Feb 09, 2024 2:38 pm
Sketchup Model Library

Last post by mrfoo
Replies: 152
by dewey-1 » Tue Mar 24, 2009 12:12 pm
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Over the last year I have made a lot of CAD drawings for
Pneumatic Launchers.

I have imported several of them into Sketchup format.
Here is the link...

Last post

Bollocks. Dewey put them out in the hope that, and I quote

some of you can make use of these!

There's absolutely nothing wrong with using them,...
152 Replies

749834 Views

Last post by mrfoo
Mon May 20, 2024 11:17 am
Solvent Welding Course Recommended For ALL

Last post by Technician1002
Replies: 46
by sgort87 » Fri Aug 04, 2006 8:18 pm
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Originally posted by DR on the Spudtech forums:

IPEX Solvent Cements ONLINE Course can be found here:

It is recommended that you download and...

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Your earlier post about just scoring the surface, has me wondering if that is why OATEY makes a brush tool that scores the inside of a fitting, and...
46 Replies

407977 Views

Last post by Technician1002
Thu Dec 02, 2010 5:04 pm

Topics

How to Build a Inline Vortex Block (Video)

Last post by warhead052
Replies: 16
by clemsonguy1125 » Fri May 28, 2010 8:02 pm
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Video Down.

Last post

Ok. Well let me know if you upload another video!
16 Replies

11577 Views

Last post by warhead052
Tue Apr 12, 2011 8:31 pm
What say you?

Last post by ThornsofTime
Replies: 8
by ThornsofTime » Tue Apr 12, 2011 10:18 am

First post

Couple of questions,

Firstly, concerning shock pumps, im planing a 6mm single-shot rifle build with a dedicated and permanently attached pump. I was...

Last post

How I wish I had a lathe... (wizard of OZ song playing in background...)

8 Replies

2897 Views

Last post by ThornsofTime
Tue Apr 12, 2011 3:16 pm
Hybrid muzzle blast vs watermelon

Last post by MrCrowley
Replies: 11
by MrCrowley » Fri Apr 08, 2011 12:24 am

First post

Thought this video deserved a thread of its own since I think it's one of the coolest things I've filmed. Anyway, I decided to bring out my hybrid...

Last post

Very impressive, but i think a golf ball v watermelon would have been better.
Too dangerous to shoot in my backyard. I've done a golfball vs...

11 Replies

3428 Views

Last post by MrCrowley
Fri Apr 08, 2011 4:15 pm
Compact piston

Last post by Technician1002
Replies: 15
by metalmeltr » Thu Apr 07, 2011 4:21 pm
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I just had an idea for a compact piston for coaxial cannons that would ride inside the barrel. The sealing face would be attached behind this piston...

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If the chamber is barely larger than the barrel OK, the volume will be small and the flow choked. The way to get a small ratio with a larger chamber...
15 Replies

13061 Views

Last post by Technician1002
Fri Apr 08, 2011 10:29 am
battery air compressor

Last post by jackssmirkingrevenge
Replies: 1
by maklaw » Wed Apr 06, 2011 6:27 am

First post

know what?? what you think??

Last post

99,95% no merece la pena, estos pequeños se calientan muy rapidamente, se rompen facilmente y no llegan a presion muy alta.

1 Replies

1438 Views

Last post by jackssmirkingrevenge
Wed Apr 06, 2011 8:34 am
Ears ringing after firing?

Last post by motorfixer1
Replies: 7
by raptorforce » Mon Apr 04, 2011 11:09 pm

First post

When I shoot my spudgun my ears are always ringing a little bit after each shot, but goes away after a couple seconds. Im not sure if its the gun or...

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If the ringing lasts for longer than a few seconds it is ilkely your ears being damaged. You could use a tape recorder to record the shot and if the...

7 Replies

3773 Views

Last post by motorfixer1
Wed Apr 06, 2011 5:39 am
2 questions, newbie help

Last post by jackssmirkingrevenge
Replies: 12
by Captain Tech » Sun Apr 03, 2011 6:10 pm

First post

I was wondering if there was any write ups for how to actually build a back pressure tank as seen here:

The theory is much easier than the actual...

Last post

Nerf cannon with slide valve.

12 Replies

4146 Views

Last post by jackssmirkingrevenge
Sun Apr 03, 2011 10:53 pm
How-to: paintball “tactical” anti-tank weapon.

Last post by warhead052
Replies: 39
by judgment_arms » Wed Apr 11, 2007 1:34 am
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First take a look at my LAW ,
that’s how NOT to do it. It’s too heavy, to slow, and overly complicated. I was going for looks, which is also...

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I have a question and a suggestion, First off, nice tutorial, but can we get some pictures. And second, what do you use this most for? I understand...
39 Replies

22493 Views

Last post by warhead052
Sat Apr 02, 2011 10:48 am
Rifled Barrel???

Last post by mark.f
Replies: 3
by hyperspaz » Sat Apr 02, 2011 12:27 am

First post

Okay, so I was thinking about how i could rifle a small bore pvc pipe. My first thought was to pull a drill bit through the barrel, but i immediately...

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Rifled barrels have been discussed many times before, such as this thread , the general consensus is that most spudguns do not have the ability to...

3 Replies

5221 Views

Last post by mark.f
Sat Apr 02, 2011 7:00 am
PSI V. DISTANCE

Last post by Technician1002
Replies: 2
by bhlabrie » Sun Mar 27, 2011 7:36 am

First post

MORNING GUYS,

I AM NEW TO THE FORUMS SO PLEASE FORGIVE ME AS I AM SURE THIS QUESTION HAS BEEN COVERED BEFORE:

I HAVE NOTICED THAT WHEN SHOOTING MY...

Last post

The type of projectile does make a huge difference in range. I found that shooting soft stuff like rolled up t shirts and such seem to gain very...

2 Replies

1659 Views

Last post by Technician1002
Sun Mar 27, 2011 9:52 am
Dying / Staining PVC Experiments

Last post by jimmy101
Replies: 23
by Davidvaini » Mon Mar 14, 2011 11:11 am
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Hey guys,

As some of you may know, I am an avid painter. I have done some really sweet paintjobs in the past o a lot of my cannons, but one thing...

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Someone might want to try Rit dye, or perhaps an aniline dye (used by wood workers), in acetone (finger nail polish). Acetone won't be as good a...
23 Replies

24343 Views

Last post by jimmy101
Sat Mar 26, 2011 10:54 am
Removing glued fittings

Last post by jackssmirkingrevenge
Replies: 5
by Fnord » Sun Mar 13, 2011 3:45 pm

First post

So, apparently it can be done.

Recently, I made a little 1 porting pvc plinker since I was bored. After some tweaking I was ready to assemble it for...

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To answer a question posed a while back by JSR,
this is why I dont make nice things!

Ditto ;)

5 Replies

2383 Views

Last post by jackssmirkingrevenge
Fri Mar 25, 2011 8:54 pm
Pressure vessle geometry

Last post by Labtecpower
Replies: 9
by metalmeltr » Tue Mar 08, 2011 5:54 pm

First post

Could this serve as a viable pressure vessle? If it were to be used it would have tobe custom fabricated. Would the flat sides drastically reduce the...

Last post

I believe this is a good geometry for a pressure vessel. It's shaped according to a DIN/ISO/EN-rule thingy. I picked it up when drawing a...

9 Replies

9288 Views

Last post by Labtecpower
Sat Mar 12, 2011 3:49 pm
wood stock help

Last post by Gun Freak
Replies: 9
by Major Collins » Mon Mar 07, 2011 8:24 am

First post

alright i have a pine wood stock that is 38 mm wide and im going to removing insides for the action.my brass action will fit inside but will leave...

Last post

Make sure you put quite a bit of lube on there though. Don't want the action getting stuck.

Yeah, thats what she said :roll: :D

9 Replies

6775 Views

Last post by Gun Freak
Tue Mar 08, 2011 9:04 pm
scope choice

Last post by mark.f
Replies: 11
by Lockednloaded » Fri Dec 24, 2010 5:06 pm

First post

I want to buy a low powered scope for my most recent gun. It is 3/4 bore and full metal, so its pretty damn accurate with co2 capsule bullets. I want...

Last post

Honestly, any scope you buy will be overkill for a homemade gun. While the projectile may seem accurate, once you hook up the scope you'll find your...

11 Replies

4923 Views

Last post by mark.f
Thu Mar 03, 2011 9:48 pm
self-contained hybrid pistol concept

Last post by POLAND_SPUD
Replies: 22
by jackssmirkingrevenge » Fri Feb 25, 2011 4:41 pm
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I made a diagram of how I would build a hybrid with an on-board fuel supply and integrated pump, it seems like it's feasible but the thought of...

Last post

uhmm no, actually I am not... sure some of your recent launchers are pretty much as simple as it gets... but I still remember all of your fullauto...
22 Replies

17393 Views

Last post by POLAND_SPUD
Sat Feb 26, 2011 2:19 pm
Bofors using pneumatics :D

Last post by jackssmirkingrevenge
Replies: 3
by jackssmirkingrevenge » Sat Feb 26, 2011 7:45 am

First post

Looks like a burst disk launcher .

I will not invite them to spudfiles however, those projectiles would be slightly in breach of forum rules :)

Last post

I really enjoy watching Bofors demonstration videos, they are very informative and give you an idea of the timing and precision needed to create...

3 Replies

1704 Views

Last post by jackssmirkingrevenge
Sat Feb 26, 2011 12:32 pm
Question about tubing

Last post by nadjatee1996
Replies: 17
by nadjatee1996 » Tue Feb 22, 2011 1:14 pm
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1) If, for example, I have a 3 feet tubing able to withstand 300 PSI, does that mean that 1 feet can withstand 100 PSI?

2) If I have 2 tubes, one...

Last post

I understood this like 4 hours ago, I only asked the question because while you're not changing the material and wall thickness, you're changing the...
17 Replies

15941 Views

Last post by nadjatee1996
Tue Feb 22, 2011 11:03 pm
Need help finding a thread

Last post by POLAND_SPUD
Replies: 9
by potatoflinger » Wed Feb 16, 2011 5:02 pm

First post

I've been searching for over an hour and I can't find the thread that I'm looking for. (But I would be willing to bet that JSR can find it within 10...

Last post

lol @ sissy TV :D

Though that's a nice gun

9 Replies

6891 Views

Last post by POLAND_SPUD
Sat Feb 19, 2011 10:34 am
[How-To] Basic Propane Meter

Last post by mark.f
Replies: 6
by mark.f » Thu Feb 17, 2011 11:17 pm

First post

Materials

You are going to need a few things to get started.

Teflon tape
Two crescent wrenches (pipe wrench optional)
Vise grips
BernzOmatic...

Last post

Good point Jimmy. I wasn't really concerned with disassembling my torch head for this tutorial because I got a better one earlier when I was doing a...

6 Replies

7417 Views

Last post by mark.f
Fri Feb 18, 2011 8:50 pm
How cold is too cold?

Last post by jimmy101
Replies: 2
by metalmeltr » Fri Feb 18, 2011 9:06 am

First post

It's in the 50s here, is that too cold for a pvc advanced combustion? GGDT says max psi 94. I have a burst disk as well.

Last post

The PVC pipe should have what temp its rated to at x amount of pressure.
The temp rating on PVC pipe is really not very useful for this purpose....

2 Replies

1611 Views

Last post by jimmy101
Fri Feb 18, 2011 8:26 pm
metal lathe or milling machine?

Last post by LovableAirGuns
Replies: 8
by LovableAirGuns » Thu Feb 17, 2011 5:25 am

First post

hey every one just a quick question what would be better a mini metal lathe or a mini milling machine beacasue im trying to save up for one but i...

Last post

grizzly sells a very nice lathe/mill combo i looked at, a few times.

is this what you are talking about?

also the good thing about the lathe is...

8 Replies

5345 Views

Last post by LovableAirGuns
Fri Feb 18, 2011 12:53 am
The super ghetto gun

Last post by nadjatee1996

by nadjatee1996 » Mon Feb 14, 2011 8:22 pm

As from my older topic, I've been wanting to do this because 1) building a ghetto gun isn't very hard. 2) When I first arrived here on the forum, I...

0 Replies

6234 Views

Last post by nadjatee1996
Mon Feb 14, 2011 8:22 pm
Thank you. AKA where spudding can take you in life.

Last post by Technician1002
Replies: 5
by T9FQ1A » Sat Feb 12, 2011 5:24 pm

First post

A little about me: I'm studying chemistry at a top UK uni. In the third year I am offered the opportunity to spend 12 months in industry on a paid...

Last post

My field was electronics in school age. When I received my first formal schooling in electronics, I challenged and passed the AC and DC fundamentals...

5 Replies

2187 Views

Last post by Technician1002
Mon Feb 14, 2011 11:12 am
Spudguns on the high seas

Last post by jackssmirkingrevenge
Replies: 185
by niglch » Mon Nov 30, 2009 1:22 am
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I just found an interesting post on slashdot. Apparently, a company has developed an air cannon that fires wire/netting from a ship in order to deter...

Last post

no... this is not a good cannon. massive flow restrictinos, electric actuation, not a well constructed cannon

I think he's referring to the cannon...
185 Replies

62254 Views

Last post by jackssmirkingrevenge
Sun Feb 13, 2011 4:35 pm

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