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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

1555532 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

748465 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...

Last post

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

407086 Views

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

Topics

Fitting a cannon in to a tank

Last post by jackssmirkingrevenge
Replies: 8
by Tango71 » Thu Jul 31, 2014 12:02 am

First post

Hey guys, somewhat new guy here. I'd like to start out by saying that I have been lurking for years and it's actually my other hobby that finally...

Last post

Have you thought of cartridges?

I have a rather long topic about preloaded pneumatic cartridges here:

Preloaded combustion cartridges would be...

8 Replies

4761 Views

Last post by jackssmirkingrevenge
Wed Aug 06, 2014 9:32 am
Projectiles

Last post by D_Hall
Replies: 3
by TeeLauncher » Sun Aug 03, 2014 7:40 am

First post

Hey guys,

I know this is a spud type of website, but I was wondering if any one tried shooting other kind of projectiles, such as shirts etc....

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I know this is a spud type of website, but I was wondering if any one tried shooting other kind of projectiles, such as shirts etc.

Did you even...

3 Replies

3761 Views

Last post by D_Hall
Mon Aug 04, 2014 10:34 pm
Suppressor Tutorial

Last post by jackssmirkingrevenge
Replies: 77
by jackssmirkingrevenge » Sat May 02, 2009 8:10 pm
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Something which might be of interest, in spite of the primitive filming:

Note that the principle of cooling gasses to suppress noise is more...

Last post

They released a video showing the internals:

I assumed it was a perforated tube but they actually use guide rods to stop the wad opening against...
77 Replies

72530 Views

Last post by jackssmirkingrevenge
Sat Jul 26, 2014 7:30 am
Semi-Reusable, Water Resistant Darts

Last post by dart guy
Replies: 9
by cowscankill » Thu Dec 26, 2013 3:21 pm

First post

This is a design I have been using and modifying for over 5 years. I finally took some time to perfect it and did a whole write up on the design....

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If two cones are place on the end that will help with straight barrel flight, but of course the nail is later re adjusted by friction so that the...

9 Replies

12734 Views

Last post by dart guy
Thu Jul 24, 2014 1:27 pm
Making a Parallax Propeller chip based chronograph

Last post by jimmy101
Replies: 4
by Solar » Thu Jul 03, 2014 3:12 am

First post

So I have read other threads regarding inaccuracies in readings with chronographs using Arduino boards but what about using the multi core Propeller?...

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If you use both IR illumination and IR sensitive detectors built into the barrel, or ported part of the barrel, you should be able to handle...

4 Replies

4310 Views

Last post by jimmy101
Tue Jul 08, 2014 6:28 pm
Threads on fittings

Last post by jackssmirkingrevenge
Replies: 3
by Ianbuckwell » Tue Jun 10, 2014 6:20 am

First post

Here in UK we use BSP and metric mainly and in US you tend to use NPT generally, correct?, but i see alot of chinese fittings with PT threads on, do...

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If you know you're going to use high pressure, go buy paintball fittings, they are BSP

Even when buying from Europe, almost all pneumatic fittings...

3 Replies

2502 Views

Last post by jackssmirkingrevenge
Wed Jun 11, 2014 8:11 am
Troubleshooting Air cannon

Last post by Boomer58cal
Replies: 9
by andyM96 » Mon May 26, 2014 3:49 pm

First post

He there new to this forum

I am a newbie to pneumatic air cannons and so have just built my first one, which unfortunately isn't working. It uses a...

Last post

Parts arrived today and it's been assembled and tested.
Tennis ball shot out pretty reasonable at 50psi, not great but a big improvement. A soda can...

9 Replies

129636 Views

Last post by Boomer58cal
Thu Jun 05, 2014 10:06 pm
new and need info

Last post by wyz2285
Replies: 5
by nabisco_12 » Mon Jun 02, 2014 10:58 pm

First post

hey all getting in to the game, im a big Paintball guy so im kinda in the loop some! I want to build a nice cannon to shoot a tennis ball for my dog...

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where can i get that trigger set up on the main video sup shot ?

current idea is to use my shop compressor for power but would i need a regulator if...

5 Replies

5952 Views

Last post by wyz2285
Thu Jun 05, 2014 12:06 pm
Propane plans

Last post by Boomer58cal
Replies: 2
by culvers28 » Thu May 15, 2014 10:18 pm

First post

Looking at making a propane powered spud gun this summer with my nephew. Just looking for some plans on how to build one. any help or advice would be...

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Welcome to SpudFiles!

They're not to big on handing out plans to newcomers around here for safety reasons. We would hate to see you on the 6:00 news...

2 Replies

2179 Views

Last post by Boomer58cal
Fri May 16, 2014 11:05 pm
GGDT V4.6 flow coefficient

Last post by jrrdw
Replies: 2
by Ianbuckwell » Fri May 16, 2014 2:35 pm

First post

Hi, I have GGDT running now, and was attempting to replicate a simulation that had been done for me, but my version for the flow coefficient of the...

Last post

This is the last time I'm going to tell you before I start deleting any double post I see you make! :?

The Edit Button.jpg

2 Replies

3725 Views

Last post by jrrdw
Fri May 16, 2014 4:11 pm
Car battery powered air compressor

Last post by finland66
Replies: 10
by matti » Tue May 13, 2014 3:50 am

First post

I would need to power a AC voltage compressor with 12v car batterys.
There are some large inverters for changing 12v to AC, would that kind of thing...

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If those batterys arent requirement buy this

10 Replies

8236 Views

Last post by finland66
Wed May 14, 2014 8:00 am
1/2 sealing face for piston valve- Soldering Tutorial

Last post by jackssmirkingrevenge
Replies: 1
by Major Collins » Mon May 12, 2014 11:18 am

First post

How to make a sealing face for a 1/2 piston valve
I was looking for a sealing face while out at stores but i couldn't find one so i made one!...

Last post

Nice little tutorial!

1 Replies

2272 Views

Last post by jackssmirkingrevenge
Tue May 13, 2014 8:08 am
Maximum safe pressure limit of Schrader/tire valve?

Last post by jackssmirkingrevenge
Replies: 6
by Ianbuckwell » Sat May 10, 2014 6:29 am

First post

As per the title, does anyone have any info on what the safe working limit of tire/Schrader valves?

Are the any readily available better...

Last post

I've used them at ~1000psi regularly. I would not consider it safe, though catastrophic failure is unlikely. Just don't put your hand right next to...

6 Replies

6724 Views

Last post by jackssmirkingrevenge
Tue May 13, 2014 7:51 am
..pellet barrel/////

Last post by bravootome
Replies: 5
by bravootome » Wed May 07, 2014 12:21 pm

First post

what barrel size should i use for 5.5 mm lead pellets..( for a new project). As i think rifled barrels aren;t 5.5 mm but less..so the groves will be...

Last post

An alternative to rifling would be to find a way to make your own drag-stabilized slugs. Aluminium tubing that is exactly 6mm outer diameter is easy...

5 Replies

3066 Views

Last post by bravootome
Thu May 08, 2014 1:15 pm
Using a magnet to hold ball bearing ammo in position

Last post by bravootome
Replies: 9
by Ianbuckwell » Sat May 03, 2014 1:22 am

First post

Just read about an air gun using a magnet, I thought this was a great idea if only intent on using steel rather than any other material, I thought I...

Last post

the picture from above your youtube channel. That yellow Propane tank attached to a gun.

Not my design but this:

Still one of the most attractive...

9 Replies

4971 Views

Last post by bravootome
Mon May 05, 2014 12:58 am
New to this need some tips

Last post by jackssmirkingrevenge
Replies: 10
by Terramoto » Thu Apr 17, 2014 10:08 am

First post

Hey,

I was thinking about building a rifle that could reach 60-100 meters with power but considering something like this could blow in my hands...

Last post

You don't need that much pressure or a rifled barrel to shoot that far with reasonable accuracy.

These shots were at 100 yards firing a...

10 Replies

6670 Views

Last post by jackssmirkingrevenge
Sun Apr 20, 2014 7:21 pm
Back here after 6 years Getting back into the hobby

Last post by Fnord
Replies: 10
by schmanman » Thu Apr 10, 2014 7:12 am

First post

After a hiatus from the hobby of at least 6 years, I brought up this potato gun I built when I was a kid in middle school while I was having a beer...

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I was just doing some math and 30 feet of 4 in a unique configuration I have had in my head for a few years seems the most fiscally responsible and...

10 Replies

24329 Views

Last post by Fnord
Mon Apr 14, 2014 8:16 am
Free chronograph

Last post by jackssmirkingrevenge
Replies: 10
by Juggernaut12121 » Mon Apr 07, 2014 8:02 am

First post

Sorry about the quality of the video, I'm horrible at making them! Anyway all you have to do is fire your cannon straight into the air, count the...

Last post

We also randomly kick experienced spudders just to be a-holes. :bounce:

:D :D :D

10 Replies

6054 Views

Last post by jackssmirkingrevenge
Mon Apr 14, 2014 5:16 am
Easy stirrup pump

Last post by jackssmirkingrevenge
Replies: 68
by Gippeto » Sat Feb 23, 2008 9:22 pm
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This is an easily constructed stirrup pump. It should be replicateable by most spudders out there. There is a pictorial on photobucket here;

Cost...

Last post

How about some sort of automatic oiler that dispenses a couple of drops with every stroke?
68 Replies

54787 Views

Last post by jackssmirkingrevenge
Sun Apr 13, 2014 7:23 am
Tennis ball adaptor?

Last post by BowerR64
Replies: 2
by BowerR64 » Sun Apr 06, 2014 6:16 pm

First post

In my area the 2.5 PVC isnt available neither is the reducers to fit it. I already have my cannon built but i wanted to buy a box of used tennis...

Last post

I think rolled up poster board will work, i didnt realize the normal size tennis balls were this big. Just a few sheets rolled up seems to fill the...

2 Replies

1977 Views

Last post by BowerR64
Mon Apr 07, 2014 5:50 am
Specific range analysis

Last post by Ragnarok
Replies: 5
by thunderskunk » Fri Apr 04, 2014 8:52 pm

First post

Hello folks!

So I made this in my spare time. It's an excel sheet for projectile motion.I can't attach the spreadsheet, so here's a picture:

Excel...

Last post

Time for me to swing some actual calculation at this...

The integration here isn't that difficult. The very useful number here is as follows: (Air...

5 Replies

12993 Views

Last post by Ragnarok
Sat Apr 05, 2014 9:01 am
North American spudding

Last post by jackssmirkingrevenge
Replies: 179
by jackssmirkingrevenge » Sat Mar 30, 2013 1:35 pm
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A few of you might be wondering where I had disappeared to over the past week, I am in fact currently waiting to board a flight from Montreal back to...

Last post

35cm of snow on the way :(

Yup, but at least the temperature isn't so bad so it slides off the car in chunks instead of having to be hacked off...
179 Replies

82480 Views

Last post by jackssmirkingrevenge
Sat Apr 05, 2014 7:47 am
Ghetto rifling

Last post by jrrdw
Replies: 6
by fractal » Sat Mar 22, 2014 9:50 am

First post

I found this tutorial on youtube that theaches how to make a rifled barrel

Last post

Nothing wrong with sharing a good link even if you haven't personally tried what is being demonstrated

I agree. I'm wondering if OP managed to get...

6 Replies

4740 Views

Last post by jrrdw
Sun Mar 23, 2014 9:40 am
Metal lathe

Last post by Gippeto
Replies: 10
by dart guy » Fri Mar 14, 2014 7:12 pm

First post

Hello machinists, I got some problems,( make fun of me after my problem is solved) I got a small metal lathe, most likly not going to be turning any...

Last post

....and the wheel for the move ing of the carving thingy is just a little squeaky,.

:lol: Need some help with terminology there.... :wink:

A...

10 Replies

5456 Views

Last post by Gippeto
Tue Mar 18, 2014 5:14 am
Magnetic Damping of Fully Automatic Launchers

Last post by cammyd32
Replies: 9
by cammyd32 » Wed Feb 19, 2014 5:45 pm

First post

Recently I have been doing some work on trying to reduce the cycling rate of fully automatic, blowback hammer based launchers.
Many have tried in the...

Last post

I think you have misread the diagram I made, the magnets are mounted to the tube in which the bolt lies, permanently fixed in place, therefore only...

9 Replies

5710 Views

Last post by cammyd32
Mon Mar 17, 2014 3:05 pm

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