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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

1122859 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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First post

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

577686 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

311090 Views

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

Topics

How does the venturi effect work?

Last post by jimmy101
Replies: 7
by kjjohn » Fri Dec 25, 2009 4:19 pm

First post

I have heard of the venturi effect, and I know it can help alot with fuel metering. I also know that it has something to do with a pressure...

Last post

thats what a propane torch does. You need to make an adjustable one, and play with until it is good.
That's what a lab Bunsen burner is. Trivially...

7 Replies

12255 Views

Last post by jimmy101
Sat Dec 26, 2009 12:41 pm
Highspeed golfball shot

Last post by Insomniac
Replies: 12
by jor2daje » Fri Dec 25, 2009 8:21 pm

First post

So its christmas and I got a Casio fs10, its the smallest in the line of casios highspeed camera but Im really pleased. After doin a couple tests I...

Last post

Just made a thread for high-speed stuff so I can stop hijacking this thread with my videos.

12 Replies

4391 Views

Last post by Insomniac
Sat Dec 26, 2009 6:25 am
Repeating Hybrid

Last post by Zeus
Replies: 2
by Zeus » Wed Dec 23, 2009 10:38 pm

First post

I have been thinking about repeating hybrids and I thought that a
2 stroke whipper-snipper motor with a tee piece where the spark plug
is. Then a...

Last post

It would be simple enough to bol a crank to where the pull start is
thus taking advantage of the built in ratchet.

2 Replies

1919 Views

Last post by Zeus
Fri Dec 25, 2009 11:14 pm
Need Help !!! Rotwerk EDM 300 DS technical manual

Last post by Heimo
Replies: 6
by michel » Thu Dec 24, 2009 11:51 am

First post

Greetings,

I purchased a Rotwerk EDM 300 DS but it came with a German manual. Does anyone know where I can find an English one!!!!

Thanks,

Michel

Last post

I agree wrong forum but I know where you can get some help go to the this forum and join it this is the place you want to be

these guys will...

6 Replies

4657 Views

Last post by Heimo
Thu Dec 24, 2009 2:14 pm
Cup Shape Piston

Last post by Willdebeers
Replies: 29
by jrrdw » Sat Dec 19, 2009 2:23 pm
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The basic idea came about in talks with Rabidduck about a 4 chamber coax cannon he's building. Because of the need/want to keep pilot chamber small...

Last post

I always had a problem with sealing, and I found that if you mark off the line you want to cut, then sand it off after, you usually get a relitivley...
29 Replies

8019 Views

Last post by Willdebeers
Thu Dec 24, 2009 1:49 pm
Sureshot featured on the firearm blog :D

Last post by jackssmirkingrevenge
Replies: 27
by jackssmirkingrevenge » Mon Dec 14, 2009 11:44 am
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Exposure! Woo! :)

Last post

With spikes every spring...

And surprisingly popular in the Philippines , maybe spudgun means something in another language :? :D

Also, it turned...
27 Replies

13534 Views

Last post by jackssmirkingrevenge
Wed Dec 23, 2009 3:49 pm
I have no idea

Last post by jrrdw
Replies: 20
by lit up!! » Tue Dec 22, 2009 1:00 pm
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hi i would like to build a cannon to shoot Nerf rockets but don't know were to start. can anyone help me?

Last post

OK lit up!! we want to see a workable plan with your next question. We've thrown you plenty of information on where to get started. Time to put your...
20 Replies

3950 Views

Last post by jrrdw
Tue Dec 22, 2009 3:37 pm
Refillable 2 part epoxy dispenser

Last post by jackssmirkingrevenge
Replies: 2
by kozak6 » Mon Dec 21, 2009 10:03 pm

First post

A simple repurposing of a soap/lotion dispenser. It seems obvious enough, but I don't know if I would have thought of it. This isn't mine.

More...

Last post

JSR probably has one of those

Actually he uses syringes, but I did have a similar system set up when I was overseas.

Good one kozak :)

2 Replies

3501 Views

Last post by jackssmirkingrevenge
Mon Dec 21, 2009 10:27 pm
combustion airsoft grenade.

Last post by drac
Replies: 12
by Marffy » Mon Nov 23, 2009 11:43 pm

First post

I saw an airsoft grenade on youtube that used a firecracker to propeled these bb's that were held in these holes. I looked at it... I didn't like the...

Last post

That would technically be considered a terrorist device under Federal statutes, so if you're gonna try it, be careful. Cop stops you on your way to a...

12 Replies

7805 Views

Last post by drac
Mon Dec 21, 2009 7:41 pm
Ballistics Pendulum

Last post by jackssmirkingrevenge
Replies: 35
by Lockednloaded » Sat Dec 19, 2009 12:13 am
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In Physics the other day we did ballistic pendulum calculations, and it seemed like a great way to measure velocity for all of us who don't have...

Last post

I'm sorry to come in and dumb this convorsation down a bit, but basically, you are saying this s a perfectly viable way to see the velocity of your...
35 Replies

10392 Views

Last post by jackssmirkingrevenge
Mon Dec 21, 2009 2:52 pm
A gun is not a talisman

Last post by DYI
Replies: 24
by jagerbond » Tue Dec 15, 2009 6:36 pm
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I was lending my copy of Handgun Primer out to someone who thinks all guns are dangerous....

Because the gun has become a symbol of power, a...

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Solid propellants in firearms do not detonate, and an explosion is not necessarily a detonation. The word explosion does not even imply that a...
24 Replies

12394 Views

Last post by DYI
Mon Dec 21, 2009 2:32 pm
Custom Hard Wood Stocks

Last post by broken_system
Replies: 11
by broken_system » Sat Dec 19, 2009 12:21 pm

First post

Hey guys, anyone know of a shop that would carve a hardwood rifle stock? I want a blank stock tho (i.e not already cut to fit the internals of a...

Last post

Thats wiked thanks jacks! I was looking around on youtube and found a couple decent videos about shaping stocks so I'll share them with you guys for...

11 Replies

5382 Views

Last post by broken_system
Mon Dec 21, 2009 12:36 am
Places to buy seamless pipe?

Last post by kjjohn
Replies: 16
by kjjohn » Tue Dec 08, 2009 6:28 pm
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Is there any place to buy seamless aluminum and stainless pipe online? I checked at speedymetals and onlinemetals, and they don't sell seamless pipe....

Last post

I will be using a 6x mix in a 3 dia by 18 sch 80 aluminum pipe. Did you order pipe or tube, because the tube is definitely seamless. HGDT predicts a...
16 Replies

4190 Views

Last post by kjjohn
Sat Dec 19, 2009 5:47 pm
anyone seen this cannon?

Last post by jrrdw
Replies: 1
by turner » Fri Dec 18, 2009 10:51 pm

First post

this thing looks pretty awsome

Last post

Yes, I remember seeing this before.

1 Replies

1038 Views

Last post by jrrdw
Sat Dec 19, 2009 7:12 am
It's a Merry Early Christmas

Last post by psycix
Replies: 19
by VH_man » Tue Dec 15, 2009 1:02 pm
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Well, My school got a new water fountain. And the maintenance department head saved this for me :twisted::

More to come here... Muahahahahaha

Last post

You mean oops or oops ...

Well at least you can get the compressor out.
19 Replies

12947 Views

Last post by psycix
Thu Dec 17, 2009 4:52 pm
you KNOW you are a spudder when...

Last post by POLAND_SPUD
Replies: 31
by jackssmirkingrevenge » Mon Nov 16, 2009 4:43 pm
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I know there's already a thread in this vein, however this particular example was os viivid I think it merits its own thread :)

You KNOW you're a...

Last post

wow I am getting old... the last game that I was really interested in was R6:Raven shield, though I proffered its prequel R6:Rogue Spear

newer games...
31 Replies

19875 Views

Last post by POLAND_SPUD
Thu Dec 17, 2009 6:20 am
Spud guns, PVC, X-rays, and emergency rooms...

Last post by McCoytheGreater
Replies: 11
by D_Hall » Wed Dec 16, 2009 1:49 am

First post

Those who've read this forum for some time are familar with the conventional wisdom associated with PVC and emergency rooms. For those not familiar,...

Last post

Just today as I way buying pipe for my next combustion-esque gun, someone told me that PVC wouldn't show up in X-rays so be careful. Silly redneck.

11 Replies

6526 Views

Last post by McCoytheGreater
Thu Dec 17, 2009 1:10 am
air conditioner compressor oil and my setup

Last post by dewey-1
Replies: 38
by c11man » Fri Nov 27, 2009 6:20 pm
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so i ordered that $20 compressor off ebay, received it today and have it all wired up. it works like a charm! but now my concern is if it comes with...

Last post

a way over the top voltage rating of 370v and you only need like a 150v.

Its rated at 370v because the peak to peak voltage in 110ac is 170 volts...
38 Replies

11752 Views

Last post by dewey-1
Wed Dec 16, 2009 2:45 pm
For Sale: Carbon Fiber Tube

Last post by rcman50166
Replies: 15
by rcman50166 » Wed Sep 16, 2009 11:49 pm
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Hey guys I stumbled upon a large carbon fiber pipe today at my university. I can't give too many specifics yet, I just got it five minutes ago. It...

Last post

Ok guys. I need to get rid of this pipe. I'll bring the price down to $220. ($20 for shipping) If you are interested please post. I'll bargain....
15 Replies

4993 Views

Last post by rcman50166
Wed Dec 16, 2009 1:24 pm
Please help me with my electrothermal cannon.

Last post by rp181
Replies: 15
by kiwi of nitro » Sat Dec 12, 2009 8:23 pm
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I want to build a completely portable electrothermal cannon...

So, I'm looking at purchasing:

2x 4400uf 700vdc banks of 6 caps each. Each cap is...

Last post

Ile just reinforce what everyone else is saying :)
SCR's, as said, are only needed when repeatability, durability, and control are needed. Don't...
15 Replies

6240 Views

Last post by rp181
Mon Dec 14, 2009 4:59 pm
Australian spud gun owner acquitted

Last post by POLAND_SPUD
Replies: 20
by Biopyro » Thu Dec 10, 2009 6:06 am
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Was flicking through some old posts, came on this trend graph and found this news story linked to it, I thought some of our Australian members might...

Last post

WTF??
LINK
as far as 'potato gun' is concerned Poland is ranked as the 5th country and polish as the second language
20 Replies

7393 Views

Last post by POLAND_SPUD
Sat Dec 12, 2009 10:09 am
Theories on paintball maker efficency?

Last post by al-xg
Replies: 8
by turner » Wed Dec 09, 2009 8:53 pm

First post

Does anyone have and clue of why a paintball maker gets less efficency when dry firing rather than shooting balls? Punkworks did something about the...

Last post

Yeah, dwell is the amount of time the valve takes to open + stays open.
The idea is to keep the valve open only while the projectile is accelerating...

8 Replies

3550 Views

Last post by al-xg
Sun Dec 13, 2009 11:19 am
tennis ball gun -->CHALLENGE<--

Last post by psycix
Replies: 13
by boukbazooka » Wed Dec 09, 2009 11:38 am

First post

THIS IS AN OPEN CHALLENGE

I was thinking my dog needs to run more, so I wanted to make a gun to shoot him the ball. so I came to the place that...

Last post

you still have to bend over to pick up your best friend's excrement though... No, you can also pick that up with the dog ball thrower
The ball can...

13 Replies

7353 Views

Last post by psycix
Thu Dec 10, 2009 5:43 am
New Hammer for PCP Guns

Last post by jackssmirkingrevenge
Replies: 27
by maverik94 » Tue Nov 10, 2009 6:54 pm
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Ok, so I have been fiddling around with some ideas for a good hammer for my pcp gun. I have tried the normal cylindrical hammer design, and it...

Last post

Unlike you I don't try to post at least 25 posts every day.

It's not like I try to post so much, spudding (and uncropped photos) happens to be...
27 Replies

15417 Views

Last post by jackssmirkingrevenge
Thu Dec 10, 2009 12:28 am
compressed air input volume and pressure tests

Last post by c11man
Replies: 6
by c11man » Sat Nov 28, 2009 11:31 pm

First post

since i now have a air conditioner compressor and the ability to have a compressed air imput i decided test some myths and answer some questions...

Last post

oh i get it now. i just use the reg on my normal air compressor to set the input pressure. it would allow a higher max psi because more inlet...

6 Replies

1877 Views

Last post by c11man
Mon Dec 07, 2009 4:46 pm

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