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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

1079663 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

553997 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

300380 Views

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

Topics

through diameter of 2inch sch 80 tee

Last post by c11man
Replies: 10
by c11man » Mon Mar 15, 2010 8:43 pm

First post

so like my other thread this is for my possible spring project. it will be out of all sch 80 so of course the tee will also be sch 80. i need to know...

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so i guess i am going to assume it is big enough and have Sgort machine it to fit in sch80 pipe. so anyone have thoughts on how to make the valve...

10 Replies

2404 Views

Last post by c11man
Sat Mar 20, 2010 2:28 pm
Amazing deal!

Last post by Crna Legija
Replies: 8
by Lockednloaded » Wed Mar 17, 2010 11:59 pm

First post

for anyone who works in small caliber, needs an exhaust port, or just wants 7 1/4 QEVs i found the best deal ever on ebay today, check it out

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you could make a 6 barrel mini gun with hammer valve pilot and have 1 left over

you have the hammer valve rotate over some kind of bump that...

8 Replies

2641 Views

Last post by Crna Legija
Sat Mar 20, 2010 12:45 am
springs and where to find them.

Last post by clemsonguy1125
Replies: 11
by nosnik » Thu Mar 18, 2010 6:03 am

First post

ok guys i really need help for this. im looking for a spring i can use in a spring loaded ball valve set up and i have wrecked my brains trying to...

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You can always make one.

11 Replies

3190 Views

Last post by clemsonguy1125
Thu Mar 18, 2010 3:14 pm
$72 micro metal lathe at harbor freight

Last post by Jeeperforlife
Replies: 32
by ramses » Mon Mar 15, 2010 9:18 pm
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Probably too small for most members here, but better than nothing

JSR, you could probably import one! gross wt. is only 36 lbs! I calculate $140...

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Unless you guys can help me come up with a reason why my wife would want one.

1) It will out last the ugly curtins....
2)It squeaks less then the...
32 Replies

11522 Views

Last post by Jeeperforlife
Thu Mar 18, 2010 11:27 am
Air cannon leaks..

Last post by nosnik
Replies: 25
by nosnik » Tue Mar 16, 2010 9:49 pm
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HAHAHAHA! SHIT ! thanks for any info posted but right now THE END CAP FROM THE AIR CHAMBER EXPLODED SO! after 24 hours my first air cannon has died....

Last post

:oops: well it says Class E on the pipe then the rest got sawed off.. primer? well i cleaned the parts before use and im using Pvc glue... :cry: im...
25 Replies

6789 Views

Last post by nosnik
Wed Mar 17, 2010 11:06 pm
Compression Fittings

Last post by metalmeltr
Replies: 7
by Gun Freak » Sun Mar 14, 2010 7:18 pm

First post

Hello. I just have two quick questions:
Do most compression fittings (say I buy them online) come with the nut and the thingy in-between?
And, what...

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I thought I had herd them refered to as ferrules, but could'nt find any written information with that term.

7 Replies

3186 Views

Last post by metalmeltr
Wed Mar 17, 2010 11:45 am
Casting Epoxy from Molds

Last post by metalmeltr
Replies: 4
by zomgwtfbbq » Mon Mar 15, 2010 1:10 am

First post

Is it possible to cast low-viscosity epoxy resin into a mold and taking it out of the mold?

P.S. Like perhaps putting a layer of grease onto the...

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I belive that the casting epoxy that you are refering to is a ployester resin and in that case I would saythat you are better off using JB weld or a...

4 Replies

2017 Views

Last post by metalmeltr
Wed Mar 17, 2010 8:36 am
Chonograph Shield

Last post by boyntonstu
Replies: 8
by boyntonstu » Sun Feb 28, 2010 1:28 pm

First post

1/4 of 304 Stainless steel at a 45* angle.

Pretty bullet proof for anything that I can throw at it.

Last post

This does the trick!

8 Replies

3076 Views

Last post by boyntonstu
Mon Mar 15, 2010 10:50 am
Fridge compressor vs. Shock pump

Last post by Gun Freak
Replies: 9
by Gun Freak » Tue Mar 09, 2010 8:40 pm

First post

Ok so I'm planning on building a brass/galvanized T piston gun with about 6 inches or so of 1 brass or galvanized for the chamber. About how long...

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kjjohn you say 40 for the tank and 50 for the reg, thats 90 bucks. Thats the MAX for me to spend on the gun AND the air suppy. And CO2 isn;t really...

9 Replies

4423 Views

Last post by Gun Freak
Wed Mar 10, 2010 4:34 pm
Air compressor question??

Last post by c11man
Replies: 4
by boyntonstu » Mon Mar 08, 2010 9:47 pm

First post

If you used a fast pump (or a tank) to quickly pressurize your chamber to 150psi - 200psi and then used an a/c compressor to increase the pressure,...

Last post

the question depends entirely on the desired output pressure. for me using a input of 30psi and not having the gun pressurized is the fastest way to...

4 Replies

1200 Views

Last post by c11man
Tue Mar 09, 2010 12:49 pm
Sketchup Tutorial

Last post by inonickname
Replies: 11
by inonickname » Fri Feb 19, 2010 4:16 am

First post

*This assumes basic internet/computer/thought/common sense skills.

Google sketchup can be downloaded here.

Google sketchup is a fairly small (in...

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Well a tutorial obviously won't be useful to you dewey (or basically anyone who's done a course in it) but if I get around to it I'll record some use...

11 Replies

14812 Views

Last post by inonickname
Tue Mar 09, 2010 5:16 am
Tennis ball cannon

Last post by Lockednloaded
Replies: 8
by reedfe » Sun Mar 07, 2010 10:11 pm

First post

I'm wondering if anyone has plans for a tennis ball cannon. I'd prefer a pneumatic cannon but combustion would work just as well. I'm already looking...

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A blow gun would only work with a small pilot volume, o-ringed piston, and near perfect construction. It can be done, JSR pilots his biggest through...

8 Replies

4010 Views

Last post by Lockednloaded
Mon Mar 08, 2010 5:41 pm
Vortexes

Last post by CpTn_lAw
Replies: 9
by EternityTransfer » Sun Mar 07, 2010 1:00 pm

First post

Hello all.

I'm not too sure that this is in the right palce, but i have found a PDF regarding combustion-driven vortex cannon research, and it...

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Controlled DDT, perhaps? Not to the point of ACTUAL DDT, but close enough to get the flame front moving at a good clip for the best performance.

I...

9 Replies

3318 Views

Last post by CpTn_lAw
Mon Mar 08, 2010 1:42 pm
Spud In Cartridge

Last post by kozak6
Replies: 4
by Mr.PJS » Sat Mar 06, 2010 6:46 am

First post

I'm just some guy wandering around the internet, but curiosity got the best of me when looking at the topic of spud-guns.

Or to be more particular,...

Last post

It's been explored to some degree, or at least with nerf darts.

Feeding a ball doesn't seem that problematic. I think a lot of the attraction to...

4 Replies

4092 Views

Last post by kozak6
Sun Mar 07, 2010 6:08 pm
"backpack" air tank

Last post by Cosmic Muffin
Replies: 8
by 03-Z » Thu Mar 04, 2010 4:32 pm

First post

OK so i have been getting alot of comments saying that my air tank i previously designed wont hold enough air. well i decided to make a larger one....

Last post

i think you should just stop posting. and start making. because the only way your going to actually find out a good design is so be creative and make...

8 Replies

5450 Views

Last post by Cosmic Muffin
Sun Mar 07, 2010 2:53 am
French hall of fame

Last post by Demon
Replies: 13
by Demon » Tue Mar 02, 2010 9:50 am

First post

The French Hall Of Fame
Pneumatic:

combustion:

Mini section:

:shock: :shock: :shock:

Note the taste for...

Last post

By the way, is there a presentation thread for new members ?

No, there is even not a member validation by moderator process, you just subscribe and...

13 Replies

3629 Views

Last post by Demon
Thu Mar 04, 2010 2:23 pm
Need help with breach load.

Last post by jackssmirkingrevenge
Replies: 9
by n2extreme1 » Tue Mar 02, 2010 12:52 pm

First post

Im making a springler valve cannon for my paintball tank. I need to make a breach load for the 2in barrel to fit nerf rockets. Looking for someting...

Last post

What ho, an example!

9 Replies

3685 Views

Last post by jackssmirkingrevenge
Thu Mar 04, 2010 1:02 pm
pvc air tank idea

Last post by POLAND_SPUD
Replies: 5
by 03-Z » Wed Mar 03, 2010 3:25 pm

First post

Will this work? I want to know what you think! oh and can someone tell me if this is even possible to make according to my diagram?

Last post

does it have to be made from PVC ?? you can use Co2 Fire extinguishers or any other metal vessels with high pressure rating instead

5 Replies

4002 Views

Last post by POLAND_SPUD
Wed Mar 03, 2010 5:11 pm
Freak coincedance!

Last post by jrrdw
Replies: 18
by Brian the brain » Sun Jun 07, 2009 12:11 pm
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Muhahaha..

I could have posted this in ITWOST...but...I wanted you guys to read this..
The weirdest thing happened to me today:

The entire town...

Last post

Funny as he was dumping the gun and I was dumping the target But no one was dumping the potatoes or the fuel. Is the economy really that bad? :lol:...
18 Replies

4999 Views

Last post by jrrdw
Wed Mar 03, 2010 9:58 am
mini 250 psi compressor $13 shipped!

Last post by clemsonguy1125
Replies: 8
by om3n » Wed Feb 10, 2010 8:11 am

First post

I thought some of you may find this deal to be of interest, so I'm posting it on here. I can't speak for the reputation of this site because I've...

Last post

Ive had one similair to that but it started to smoke after running for 2 minutes, Id take your 13 bucks and buy a bicycle pump, youll get a larger...

8 Replies

4123 Views

Last post by clemsonguy1125
Tue Mar 02, 2010 7:53 pm
Is there an online cannon designer?

Last post by irisher
Replies: 3
by 03-Z » Tue Mar 02, 2010 3:35 pm

First post

I just wanted to know before i make one because i want to make sure that it will work. Oh and if there is a program like that and its a FREE please...

Last post

It has a free trial available which is suitable for his needs. (assuming he can do it in 30 days)

3 Replies

1583 Views

Last post by irisher
Tue Mar 02, 2010 4:25 pm
is ASA compatible with BSP ?

Last post by Brian the brain
Replies: 5
by POLAND_SPUD » Tue Mar 02, 2010 1:42 am

First post

is it possible to screw a PB tank (ASA threads) into a BSP fitting ? how well would it fit ? I know that ASA is almost exactly 1/2 NPS but would it...

Last post

Quick, before anybody sees it...remove the picture Jack..It has NO epoxy anywhere!!

I've done it as well.I used a rubber washer inside of a 1/2 to...

5 Replies

3703 Views

Last post by Brian the brain
Tue Mar 02, 2010 3:42 am
Sigg bottle questions.

Last post by btrettel
Replies: 49
by Freddy4130 » Tue Feb 23, 2010 5:39 pm
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I will start out by saying thanks to all of you guys for giving me something to do for the last few weeks. I have stumbled across this hobby on...

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I too would prefer a higher safety factor. I don't run it beyond 150 psi and I have a pop-off valve set at 175 psi.

The low safety factor has to do...
49 Replies

14802 Views

Last post by btrettel
Mon Mar 01, 2010 7:39 pm
Rifling a projectile with the projectile, Not the barrel

Last post by kozak6
Replies: 5
by Pax » Sat Feb 27, 2010 9:02 pm

First post

I made a spudgun, i'm shooting AA batterys wrapped in tape, Im wondering if i can cut grooves in the tape to simulate rifling, Or any other way to...

Last post

It's not really the rifling on a projectile that stabilizes it. It's just left over from the rifling imparting a spin on it.

With rifled shotgun...

5 Replies

8959 Views

Last post by kozak6
Sun Feb 28, 2010 6:41 pm
Frictionless barrel idea

Last post by jimmy101
Replies: 21
by hyperspaz » Fri Feb 26, 2010 8:13 pm
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Hi guys,

I have this idea of making a frictionless barrel, but I'm unsure if it will work, or if it will even make a difference. My idea consists of...

Last post

inonickname: Vacuum alone can accelerate anything to the speed of sound (actually to the speed of the fastest moving particles) it just takes a damn...
21 Replies

7685 Views

Last post by jimmy101
Sun Feb 28, 2010 1:28 pm

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