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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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First post

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

657648 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

386554 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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First post

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

201964 Views

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

Topics

I'm writing a book about cool things.

Last post by Eddbot
Replies: 46
by Davidvaini » Sat May 17, 2008 5:38 pm
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First post

Hey guys, many of you may know me as a web designer but I also like stretching out my mind in other things...

So with that said I plan on writing a...

Last post

oh, i thought it was Mischief to Guide Innovation
46 Replies

13415 Views

Last post by Eddbot
Thu May 22, 2008 11:31 pm
Favorite Cannon Contest - Winners!

Last post by PCGUY

by PCGUY » Thu May 22, 2008 6:12 pm

Winners for SpudFiles favorite cannon contest!

First Place - Eclipse 40mm semi-auto revolver by Solar

Second Place - 28,8Kj ElectroThermal...

0 Replies

1381 Views

Last post by PCGUY
Thu May 22, 2008 6:12 pm
my first

Last post by TwitchTheAussie
Replies: 12
by taytayswims » Wed May 21, 2008 5:24 pm

First post

my first combustion cannon is done and test fired today its awesome

its just a simple spray and pray and i love it but i was wondering it you could...

Last post

Portable barbeque gas with a nozzle on top. Easy

12 Replies

2838 Views

Last post by TwitchTheAussie
Thu May 22, 2008 5:03 pm
pump action shotgun design

Last post by trollhameran
Replies: 5
by pat123 » Thu May 22, 2008 2:10 pm

First post

I am thinking about building an airsoft shotgun. I made a design in paint.

as the piece of wood is pulled back(don't know what it is called) the rod...

Last post

heres the topic i made with this sort of design, lots of good info in there

5 Replies

2595 Views

Last post by trollhameran
Thu May 22, 2008 4:21 pm
Water Valves

Last post by rcman50166
Replies: 45
by igpay » Tue May 13, 2008 6:15 pm
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Hi,
I was looking to make something like this, But im not sure which type of valve to use. I was thinking of using a pneumatic, but i'm not sure if...

Last post

Uhh. Water rockets tend not to work on their sides. The objective is to propel the water out of the bottom. This makes a significant amount of...
45 Replies

9737 Views

Last post by rcman50166
Wed May 21, 2008 7:57 pm
Cam Locks

Last post by King_TaTer
Replies: 5
by King_TaTer » Mon May 19, 2008 9:48 pm

First post

I have a problem regarding the use of cam locks.

I have done a lot of searching all over the place and have come short of a demonstration and/or the...

Last post

Alright i'll have to try that. Thanks for all your help guys, 'preciate it

5 Replies

1767 Views

Last post by King_TaTer
Tue May 20, 2008 2:06 pm
Cannon Art contest

Last post by jrrdw
Replies: 3
by daxspudder » Mon May 19, 2008 9:25 pm

First post

Mods please move this if there is a better place for it, or just delete this :wink:

As the name implies I would like to start a cannon art contest....

Last post

Before moving or deleting this Dax, we should wait to get catagorys in the next contest coming. Art work on cannon's may by a catagory of that...

3 Replies

1522 Views

Last post by jrrdw
Tue May 20, 2008 8:41 am
Threads messed up....(On endcap, not forum threads :) )

Last post by THUNDERLORD
Replies: 15
by isu22andy » Sun May 18, 2008 8:56 pm
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Hi, So I was using my combustion cannon yesterday with STATIC Guard NOT HAIRSPRAY cause it makes junk all sticky...Anyway I flooded the chamber and...

Last post

Use the edge of a metal file to clean up the threads,
Then put some teflon tape (the white stuff on the roll) if you're going to force thread it on...
15 Replies

3632 Views

Last post by THUNDERLORD
Mon May 19, 2008 1:18 am
I can help someone build a website...

Last post by D_Hall
Replies: 23
by CS » Sun Apr 27, 2008 9:06 pm
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Well for the end of year final in my general computer class we are supposed to design a website. Since we have only learned basic HTML, this isn't...

Last post

On a lighter note, Here's an idea I got when I saw a stupid stamp on a dollar bill saying to post where the bill was called ww.where's george or...
23 Replies

5783 Views

Last post by D_Hall
Sun May 18, 2008 3:13 pm
Ammo for spud sniper

Last post by MrCrowley
Replies: 2
by bikingpro911 » Sun May 18, 2008 2:21 pm

First post

can someone give me the common diameter of a marble, 3x A Battery.
whats a good pvc or w/e pipe size to fit a marble?

Last post

Some people don't learn. Search bikepro, or next time there wont be a topic to lock.

2 Replies

952 Views

Last post by MrCrowley
Sun May 18, 2008 2:56 pm
Firestorm Omega - Repeating Combustion

Last post by THUNDERLORD
Replies: 11
by FiveseveN » Sat May 17, 2008 1:37 pm

First post

I wanted to surprise everybody by keeping it a secret and building it myself but it's been more than 6 months since its inception and I still haven't...

Last post

I wanted to surprise everybody by keeping it a secret and building it myself but it's been more than 6 months since its inception and I still haven't...

11 Replies

4405 Views

Last post by THUNDERLORD
Sun May 18, 2008 1:22 am
100mm PVC supressor

Last post by From_Hamsterdam
Replies: 11
by Carlman » Wed May 14, 2008 5:13 am

First post

Would this hold the title of the biggest supressor on this site?

It has a 100mm (4 ) outer casing 1m long and a 40mm (1.5 ) pipe running through it...

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G'day fellow west Aussie i got your pm

i was surprised how well that worked well done.

think it would make a difference on this cannon?
chamber...

11 Replies

4396 Views

Last post by From_Hamsterdam
Sat May 17, 2008 4:10 am
Where To Buy

Last post by n-strike
Replies: 18
by n-strike » Thu May 15, 2008 10:26 pm
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Hi, I was wondering where you buy 4 pressure rated PVC. I checked Home Depot, Rona, and other hardware stores, but I can't find 4 . 3 is the biggest...

Last post

I went to Home Depot today, and I found 4 PVC! Maybe since th last time I went was so long ago, they didn't have it yet, or it wasn't in stock.
18 Replies

4328 Views

Last post by n-strike
Fri May 16, 2008 11:53 pm
Compressor fill rates

Last post by daxspudder
Replies: 15
by watto » Fri May 16, 2008 10:32 am
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How do I work out how long it will take to fill my chamber to a certain pressure at a certain compressor rate? For example, my chamber is about 1.8...

Last post

well, sojo was just reiterating what i said in your quote there, but your using the exact kind of compressor i figured you were using, my math will...
15 Replies

4171 Views

Last post by daxspudder
Fri May 16, 2008 10:23 pm
help for choosing the type for my new gun

Last post by dilweed
Replies: 3
by dilweed » Thu May 15, 2008 2:25 pm

First post

hello i am tired of making crappy ball valve guns. I have an idea of a piston valve but these are the things im looking for:
Small air chamber...

Last post

thank you very much for your replies, i want to use something like a 5cm long chamber and about 2 cm wide in circumfrence

3 Replies

1208 Views

Last post by dilweed
Fri May 16, 2008 1:09 am
copper rifling idea....

Last post by lockmanslammin
Replies: 15
by lockmanslammin » Wed May 14, 2008 10:46 am
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I need to bounce an idea off of you guys. my barrel is 1/2 type l copper.
I have been thinking of trying to rifle it. Problem is that This gun is...

Last post

Thanx for all the replies and ideas guys. cdheller, I think yours is especially interesting, it is like button rifling, except the outside of the...
15 Replies

7025 Views

Last post by lockmanslammin
Thu May 15, 2008 10:57 pm
Piston valve VS Sprinker valve.

Last post by JDP12
Replies: 5
by Mitchza89 » Thu May 15, 2008 9:58 pm

First post

G'day guys. I feel like making a simple marble gun just for a bit of fun. I wanna make something that feels somewhat realistic so I'm gonna go with a...

Last post

lol... well... if i were you i'd just go with a simple piston, maybe even a toolies style valve to allow breech loading with minimal dead space

5 Replies

768 Views

Last post by JDP12
Thu May 15, 2008 10:23 pm
moisture?

Last post by frankrede
Replies: 5
by taytayswims » Thu May 15, 2008 7:57 pm

First post

i bought some abs fittings
a 3-1.5' reducer
3' female end cap
3' clean out cap

i had them in my bag during my pratice and my towle was in there...

Last post

i bought some abs fittings
a 3-1.5' reducer
3' female end cap
3' clean out cap

i had them in my bag during my pratice and my towle was in there...

5 Replies

1630 Views

Last post by frankrede
Thu May 15, 2008 9:37 pm
My Idea : a Battle-bot that shoots Golf Balls

Last post by benstern
Replies: 16
by 1knight » Sun Apr 20, 2008 6:50 pm
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The Idea I had was to make Remote control Tank Style Robot .
It would shoot Golf Balls using a Motorised Turret
It would be Forced Air base with it...

Last post

I would go for a piston valved pneumatic ram with some sort of stabbing implement that won't get stuck in another robot.
16 Replies

5761 Views

Last post by benstern
Thu May 15, 2008 8:39 pm
pneumatic rifle piston construction

Last post by Mitchza89
Replies: 9
by bikingpro911 » Thu May 15, 2008 7:08 pm

First post

can someone PLEASE tell me if i can actually make a piston out of copper pipe, sealing face, hotglue, bolt, nut, washers and scradjler valve...sorry...

Last post

Yep now I gotcha. I wasn't sure on the style of piston gun you had planned. The only thing you've got to worry about is the pilot size behind the...

9 Replies

1797 Views

Last post by Mitchza89
Thu May 15, 2008 8:34 pm
pistons

Last post by MrCrowley
Replies: 3
by bikingpro911 » Thu May 15, 2008 6:32 pm

First post

email me at car-crazy-john@hotmail.com to learn how to make a piston

Last post

7. Welcome to Spudfiles, and please either read the rules, or refrain from posting. :lol:

Well DYI pretty much summed eveything up. You're an...

3 Replies

1242 Views

Last post by MrCrowley
Thu May 15, 2008 7:09 pm
Ballistics pendulum

Last post by potatoflinger
Replies: 10
by koolaidman » Tue May 13, 2008 11:03 pm

First post

I have not heard one mentioned, through searching, and its not on the wiki. Has anyone made one? I know it's not hard. My question is not how to make...

Last post

I know that there is a chapter in Backyard Ballistics about ballistics pendulums, it might be worth a read to find out how much energy is lost etc.

10 Replies

2327 Views

Last post by potatoflinger
Wed May 14, 2008 4:29 pm
What to make?

Last post by psycix
Replies: 8
by Carlman » Tue May 13, 2008 10:43 am

First post

Hi all,

I have gotten some free pvc! yay go me.

i have:

-130cm of 100mm PN9 (4 rated to 110psi)
-50cm of 100mm PN9 (4 rated to 110psi)
-2 x 140cm...

Last post

Something thats rated for 110 psi is safe to use up to 110 psi for me.
There is already a safety margin built in.
110 rated means that it has been...

8 Replies

1789 Views

Last post by psycix
Wed May 14, 2008 6:15 am
School Hard-Tech Assignment.

Last post by MrCrowley
Replies: 43
by MrCrowley » Thu Feb 07, 2008 1:09 am
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I take hard-tech production design at my highschool and this year we have to design one product, that solves a problem, then build it throughout the...

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Except for the fact that they're already heavily commercialized and would be a b|tch to make. And the fact that i've already started. :roll:
43 Replies

8974 Views

Last post by MrCrowley
Mon May 12, 2008 2:15 pm
Is My Logic Correct Here?

Last post by mark.f
Replies: 9
by mark.f » Sun May 11, 2008 6:41 am

First post

Simple chemistry problem, but for some strange reason I cannot, for the life of me, double check to make sure my logic is correct before continuing....

Last post

Thank you dongfang. The notation is a little strange, I'll admit, but the equation is equivalent to yours.

This is a good thing. I'm now off to...

9 Replies

2285 Views

Last post by mark.f
Sun May 11, 2008 8:48 pm

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