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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

1581169 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

756747 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

412177 Views

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

Topics

Another Theory

Last post by Hubb
Replies: 8
by Hubb » Tue Nov 13, 2007 3:24 am

First post

Following up from this thread , I figured I could try a hand at improvement. I began to think and thought to myself, Why does the piston have to...

Last post

...Do you think it would be fast enough for 8-10 shots per second (on a paintball sized scale)?

It may be possible, but it is probably unlikely...

8 Replies

2506 Views

Last post by Hubb
Tue Nov 13, 2007 7:40 pm
uber-gauss gun idea

Last post by paaiyan
Replies: 17
by vov35 » Wed Oct 31, 2007 7:37 pm
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Well i was thinking, MRI machines are just huge@ss magnets,
and my friend just built a gauss gun, we got some big caps...
I wannna Make an...

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So, I could use an inductor coil to charge it then?
17 Replies

9565 Views

Last post by paaiyan
Tue Nov 13, 2007 5:21 pm
no psi rating :(

Last post by sandman
Replies: 7
by cambot339 » Fri Nov 09, 2007 8:16 pm

First post

I have some 2inch pipe but it has no psi rating and due to being broke and a stubborn dad (he doesn't think it matters) thats all i have, will it be...

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Ohio. I think it costs about $10 where I live. A ten foot stick of 1 costs 3-$4 nomally. sounds bout right

7 Replies

3273 Views

Last post by sandman
Tue Nov 13, 2007 3:38 pm
Semi-Auto (or Full Auto?) Piston Valve

Last post by Novacastrian
Replies: 34
by Hubb » Thu Nov 08, 2007 6:47 pm
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The title explains it. First a picture:

Note that the pilot is located to the side (or rear, whatever) instead of in the back as on a...

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I wonder if 2600psi of dry nitrogen will help :twisted: :twisted:
34 Replies

99346 Views

Last post by Novacastrian
Tue Nov 13, 2007 3:33 am
Water Injection in combustion spudguns.

Last post by BigGrib
Replies: 18
by SPG » Mon Nov 12, 2007 8:33 am
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I had this thought having seen the destruction of a diesel engine that had injested water during a river crossing. Remember that a diesel engine...

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When I was attending Wyo Tech, I had a professor that had an injection nozzle mounted on the inlet side of his banks turbocharger to inject small...
18 Replies

11910 Views

Last post by BigGrib
Mon Nov 12, 2007 9:15 pm
software chronograph

Last post by Novacastrian
Replies: 29
by hyldgaard » Thu Nov 08, 2007 12:14 pm
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Hi, found this on a Danish airgun forum and thought of you guys ;)
It's a program that allow you to use your computer as a chrono. You place your...

Last post

I thoght it is accurate, people just weren't using it correctly.

Any results yet Noobie, eh? Oh come on you must have something...
29 Replies

14964 Views

Last post by Novacastrian
Mon Nov 12, 2007 2:02 am
Animal cruelty! anyone know these guys??

Last post by jackssmirkingrevenge
Replies: 17
by Brian the brain » Sun Nov 11, 2007 10:29 am
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This is insane! Glad the frog is okay..

Last post

While I'm glad some of you see the funny side, and yes it's just a frog , you cannot justify baseless animal cruelty. If the frog was a pest and was...
17 Replies

7252 Views

Last post by jackssmirkingrevenge
Sun Nov 11, 2007 5:55 pm
co2 gun.

Last post by Imortal87
Replies: 16
by JJ pyro » Mon Nov 05, 2007 12:01 pm
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I have a theory about a (new) type of gun,

i had a idea about a gun that fires 8g co2 cartridges. its a simple gun that had a toy revolver on the...

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This sounds like it could easly be made into an RPG type launcher. With fins and a larger maybe foam casing for the CO2 capsule it could have a lot...
16 Replies

5362 Views

Last post by Imortal87
Sun Nov 11, 2007 3:33 pm
school help still has to do with spud guns

Last post by spudgunnerwryyyyy
Replies: 14
by Maniac » Fri Nov 09, 2007 5:40 pm

First post

My school is having a science fair :) and i am going to use spud guns in it. :D :D In the science fair you have to be able to preform an experiment...

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Do anything that you could relate to math. And relate it to some big hotspot in the news. For some reason people appreciate that in todays society.

14 Replies

5515 Views

Last post by spudgunnerwryyyyy
Sun Nov 11, 2007 4:22 am
New contest

Last post by mark.f
Replies: 53
by )DEMON( » Tue Nov 06, 2007 7:13 am
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Hay guys, lets throw together a contest for the end of the year!

Just for fun. :D

We can use the rules from the previous contest. Any one up for...

Last post

I'd be willing to donate a few bucks for prize money, because I'm going back to work in a week or two.

As far as the competition itself, I always...
53 Replies

19096 Views

Last post by mark.f
Fri Nov 09, 2007 5:23 pm
Why only combustion?

Last post by mark.f
Replies: 25
by pat123 » Thu Nov 08, 2007 4:25 pm
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I am just curious if any one else has made a cannon using a different type of chemical reaction. I got the idea because my chemistry teacher showed...

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That shouldn't discourage you. What's the worse that could happen? Government investigation as to where you learned some black technology? Pfftt.......
25 Replies

6934 Views

Last post by mark.f
Fri Nov 09, 2007 5:10 pm
.................I'm in Trouble.

Last post by jackssmirkingrevenge
Replies: 48
by Redcoat » Sun Nov 04, 2007 3:44 am
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Hi all,

Well today, me and my neighbour were shooting at certain Airborne Targets
and we was shooting my Pneumatic RPG with nail darts in it....

Last post

or hang a picture frame :D
48 Replies

16999 Views

Last post by jackssmirkingrevenge
Thu Nov 08, 2007 6:57 am
how incompetent is your hardware store?

Last post by Maniac
Replies: 69
by tylerthetatertosser » Sat Sep 01, 2007 10:21 pm
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well my hardware store is stupid they have nothing you ever need and they follow me like a hawk even though ive never stolen any thing from them......

Last post

my hardware store is really nice they carry everything they are always wondering about the stuff im building and asking questions about it not in a...
69 Replies

24635 Views

Last post by Maniac
Wed Nov 07, 2007 8:53 pm
DWV PVC pipe

Last post by DYI
Replies: 5
by TheTrooper » Wed Nov 07, 2007 1:11 am

First post

I got some DWV pipe but it is also pressure rated up to 330 PSI. Now we all know DWV is bad but as long as it has a PSI rating its safe right? They...

Last post

DWV isn't necessarily bad, it just means that the NSF rates it as Drain Waste Vent. DWV copper is often rated for hundreds of psi.

Any pipe that...

5 Replies

2463 Views

Last post by DYI
Wed Nov 07, 2007 4:09 pm
BBQ ignition help

Last post by jimmy101
Replies: 6
by syphon_the_python » Tue Nov 06, 2007 10:00 pm

First post

Hi

I have recently purchased a piezo style bbq lighter, however it is the kind with only one wire coming from the main lighter body. Could somebody...

Last post

Finger width is really good for your typical BBQ piezo.

Really don't need that much, 1/8 is fine. Heck, 1/16 works fine to.

6 Replies

1740 Views

Last post by jimmy101
Wed Nov 07, 2007 1:12 pm
Muzzle Energy

Last post by boilingleadbath
Replies: 3
by Fnord » Thu Nov 01, 2007 1:29 pm

First post

Why am I getting 3 different answers from 3 different programs?

Projectile mass: 28 grams / .987 oz / 432.1 grains
Projectile velocity: 900 fps...

Last post

Oh, not this again...

I did practically the same thing in EVBEC 1.4

Here is the problem:
1) I calculate the muzzle energy in joules
2) I convert...

3 Replies

2374 Views

Last post by boilingleadbath
Tue Nov 06, 2007 4:03 pm
Coaxil Design

Last post by jackssmirkingrevenge
Replies: 19
by octane89 » Mon Nov 05, 2007 8:58 pm
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I haven't seen if anyone has donw a coaxil like this before, but in my mind it should work. I just wanted more cubic volume and like the simplicity...

Last post

my math might be bad, but wouldn't a single chamber of 3 pvc hold more than two chambers of 2 ?

Around 12% more air for the 3 chamber.
19 Replies

11701 Views

Last post by jackssmirkingrevenge
Tue Nov 06, 2007 12:08 pm
PVC Propane Meter (cheap)

Last post by jimmy101
Replies: 16
by SpudStuff » Sat Apr 22, 2006 11:24 pm
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I have heard that pvc propane meters are un safe because the propane makes them cold and there for brittle. I dont have 50 dollars to make one so i...

Last post

I wonder if you could make your entire meter out of pvc??? It would be way lighter than metal, it would look cooler, i think, and you could just...
16 Replies

11090 Views

Last post by jimmy101
Tue Nov 06, 2007 10:27 am
How do you seal a 4" male/femals adapter?

Last post by spudgunnerwryyyyy
Replies: 19
by cwazy1 » Tue Oct 30, 2007 10:53 pm
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So i have a 4 male adapter and i need to make it airtight into a 4 female adapter. this is for a pneumatic.

so umm i've put on like 8 layers of...

Last post

Ok, if you think $6 a can is pricey this hobby may take a turn for the worst. Tool, fittings, they all cost a lot
19 Replies

6103 Views

Last post by spudgunnerwryyyyy
Sun Nov 04, 2007 11:19 pm
small bore darts(could make them bigger)

Last post by A-98
Replies: 37
by A-98 » Wed Mar 07, 2007 12:45 am
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Ok, I use these in my dart gun, and they work extremely well. I can hit a 2 circle at 100 feet.
WARNING, DO NOT HOLD PLASTIC TOO CLOSE TO FLAME...

Last post

Damn straight I can.

Ok, I cheated by mounting my gun, and using exactly the same pressure each time, but, whatever :lol:
37 Replies

16725 Views

Last post by A-98
Sun Nov 04, 2007 9:54 pm
Can you use......

Last post by williamfeldmann
Replies: 14
by Zen/// » Sun Nov 04, 2007 2:31 pm

First post

Can you use a quick dissconnect valve (used for cannons filled with compressors) with a bike pump to fill the chamber up instead of a commpressor? (I...

Last post

Oi.... people.

You can get the mate to your quick disconnect with female threads, just thread the schrader into the male portion of the quick...

14 Replies

4755 Views

Last post by williamfeldmann
Sun Nov 04, 2007 6:32 pm
it blew up

Last post by BC Pneumatics
Replies: 35
by couchquail » Sat Nov 03, 2007 8:45 pm
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somehow between surfing spudgun ideas and stating/defending my opinions it blew up. suddenly i'm getting emails from the member pasturepatrol...

Last post

Just for the record, I even told him to ignore BenStern. He didn't listen, and it only made matters worse.
35 Replies

11977 Views

Last post by BC Pneumatics
Sun Nov 04, 2007 12:04 pm
Anyone wanna quote me a price?

Last post by Novacastrian
Replies: 8
by c9d » Sun Nov 04, 2007 1:40 am

First post

I joined the boards today(11-3-07), and give a hearty hello to all of those out there. I am very interested in a barrel sealing piston valve...

Last post

Holy shit i had a dream like that last night :?

Edit: I gotta go cold turkey from spudfiles :cry:

8 Replies

3137 Views

Last post by Novacastrian
Sun Nov 04, 2007 2:25 am
Stupid Spudcannon Website (Not Spudfiles)

Last post by PCGUY
Replies: 106
by ammosmoke » Wed Oct 31, 2007 1:06 pm
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I saw this website in one of the random googlebot adverts at the top of the page and began reading their homepage. I found that they were saying...

Last post

I am ending this thread.

Why in the hell would a moderator here be questioned of having multi accounts? That insults me, I hand pick my moderators...
106 Replies

32249 Views

Last post by PCGUY
Sat Nov 03, 2007 8:07 pm
Semi-auto or full auto system

Last post by CS
Replies: 4
by benstern » Fri Nov 02, 2007 8:09 pm

First post

Thought of while thinking of how to make gas operation gun actions relevant to spudguns.

These animations will show you my idea.
My idea was...

Last post

I am still waiting for the DOBA launcher...

:P

4 Replies

14026 Views

Last post by CS
Sat Nov 03, 2007 1:05 am

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