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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

662894 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

388042 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

203344 Views

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

Topics

PVC-U

Last post by Ragnarok
Replies: 14
by flamerz14 » Thu Nov 15, 2007 10:36 pm

First post

I used this type of pipe for my combustion.Is it pressure rated or safe to use for pneumatics?

I can't find those SCH or grey coloured pipes.only...

Last post

Try and get HDPU(High Density PollyUrethane) it is rated at 100kPa
100kPa is bugger all - It's 1 bar, or 14.5 psi.

I use 2100kPa on a regular...

14 Replies

4178 Views

Last post by Ragnarok
Sun Nov 25, 2007 10:56 am
Pneumatic or Combustion?

Last post by spudnik11
Replies: 15
by spudnik11 » Sun Nov 25, 2007 12:48 am
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Hi everyone, i haven't made a spudgun yet, but i was wondering, which is better to make a simple starter gun? :P

Last post

Thanks for the posts guys :P This helps a lot
15 Replies

4256 Views

Last post by spudnik11
Sun Nov 25, 2007 10:46 am
Poor Man's Chronograph?

Last post by TheTrooper
Replies: 7
by TheTrooper » Sat Nov 24, 2007 1:06 am

First post

I remember in airsoft there was a cheap and not always reliable way to figure out your fps with a regular soda can, The Poor Man's Chronograph.

Is...

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I have everything for the sound test except a laptop, and i don't know anyone who would let me use it for these kinds of tests. Oh well it was worth...

7 Replies

2038 Views

Last post by TheTrooper
Sat Nov 24, 2007 2:19 pm
Epoxy questions (aka JSR's field day)

Last post by sandman
Replies: 15
by sandman » Mon Nov 19, 2007 8:50 pm
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right now im designing a bb gun for a friend cause he asked :roll:
but i will get his battery powered airsoft gun as payment :)

anyway i think i...

Last post

aww, i was hoping it was a pen tube lol, oh well, thanks for the diagram
15 Replies

3674 Views

Last post by sandman
Sat Nov 24, 2007 12:18 pm
Electro-Pilot

Last post by Hubb
Replies: 4
by Hubb » Wed Nov 21, 2007 11:22 pm

First post

In the basis for this thread, I had three goals in mind:
1) to be able to place a trigger on a launcher in any location
2) to have the valve used...

Last post

The check valve was just used as an example because it was easy to draw. I don't see why the arm of the solenoid couldn't be hooked to a small (1/4...

4 Replies

1199 Views

Last post by Hubb
Thu Nov 22, 2007 6:12 pm
deus ex machina how to, NEW update: animation

Last post by JDP12
Replies: 16
by iknowmy3tables » Mon May 28, 2007 12:23 pm
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Please note that this is not a basic spud gun so should first become familiar with pneumatics. The deus ex machina uses an a continuous air source...

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you read wrong-it is housed in 1.25 , and you need 3/4 x1 bushings.

I built a gun similar to this BTW, will have pics up soon hopefully.
16 Replies

12652 Views

Last post by JDP12
Wed Nov 21, 2007 12:55 pm
bernoulli's principle

Last post by jimmy101
Replies: 20
by joemama » Sun Nov 18, 2007 5:22 pm
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are projectiles subject to bernoulli's principle if tehy are rounded? if they are isent there a way to make a bullet that has more resistance to...

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For a round round (!?) it doesn't really matter how the round is spun, along the axis of flight or perpendicular to it.

Fair enough, valid...
20 Replies

6803 Views

Last post by jimmy101
Wed Nov 21, 2007 12:31 pm
Helical Magazine

Last post by sinper2006
Replies: 39
by goose_man » Mon Oct 22, 2007 1:41 am
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I was just doing some work on building my fully auto 3/8 ball bearing pneumatic with a blow-forward bolt system, but I want it to load rounds fast...

Last post

i don't no if anyone has said this but anyway with the ball valve don't just use it for loading also connect a low psi thing up to it like then put...
39 Replies

13745 Views

Last post by sinper2006
Wed Nov 21, 2007 6:08 am
Old PVC

Last post by Lftndbt
Replies: 18
by TheTrooper » Tue Nov 20, 2007 2:57 pm
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Hey, i have a question. My friend has some great varieties of Pressurized PVC pipe, unfortunately its been in his attic for a long time (I do not...

Last post

Hmmm....
I'm still selling length's of rated pipe, from about 10yrs ago....
Doesn't seem to be any regulation's in the industry on life span .
Well...
18 Replies

5392 Views

Last post by Lftndbt
Tue Nov 20, 2007 11:35 pm
Where to Find large O-Rings

Last post by The Kid
Replies: 6
by socoj2 » Tue Nov 20, 2007 9:54 am

First post

I need 2 O-Rings to Fit in a Grove i am going to cut into some SCh40- PVC.

It wont be very deep. .125

And it will be sheilding by a T fitting when...

Last post

my local plumbing store sells large o-rings so you should have a look at stores in your area.

6 Replies

1748 Views

Last post by The Kid
Tue Nov 20, 2007 5:37 pm
Lathe

Last post by jrrdw
Replies: 7
by PVC Arsenal 17 » Mon Nov 19, 2007 9:37 pm

First post

So I might be getting a small metal lathe soon and I was wondering what kinds of interesting projects I should look into doing.

Obviously piston...

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Yea, i've seen that one in person up at Harbor Freight. Here's another good website for machineing --

There is a section just for these, a hole...

7 Replies

1616 Views

Last post by jrrdw
Tue Nov 20, 2007 5:36 pm
ball bearings

Last post by rna_duelers
Replies: 27
by POLAND_SPUD » Mon Nov 19, 2007 1:47 pm
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I am planing to use 1/2 or 12mm ball bearings as ammo. I know one place that have them in almost any posible size and quite cheap as well.

1.My...

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Ohh how easily it can be done :wink: .I won't do it but otherwise you might literally start to feel 14 again...Is that a good thing or. . . .
27 Replies

8283 Views

Last post by rna_duelers
Tue Nov 20, 2007 4:21 am
P

Last post by dewey-1
Replies: 3
by dewey-1 » Sun Nov 18, 2007 10:41 am

First post

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Last post

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3 Replies

1525 Views

Last post by dewey-1
Mon Nov 19, 2007 5:13 pm
Prices on Mcmaster..

Last post by jackssmirkingrevenge
Replies: 6
by Fnord » Mon Nov 19, 2007 12:29 pm

First post

I was just browsing McMasters website the other day, looking for parts for upcoming projects when I saw this:
5/8 stainless steel tubing (marble...

Last post

I know, just being my usual pedant :D though a runic keyboard would certainly be cool :)

6 Replies

1615 Views

Last post by jackssmirkingrevenge
Mon Nov 19, 2007 3:38 pm
Silca pump or Giyo pump?

Last post by Mitchza89
Replies: 6
by Mitchza89 » Mon Nov 19, 2007 5:57 am

First post

Heya guys,

I'm looking to get a super high pressure floor pump (260psi) off ebay. There is one by Giyo for $45 and there is a 2nd hand Silca for the...

Last post

Yeah thats it. Ehh I'll just see how it all pans out :D Thanks mate.

6 Replies

1443 Views

Last post by Mitchza89
Mon Nov 19, 2007 6:29 am
Pro Art (projectile art)

Last post by Novacastrian
Replies: 15
by Novacastrian » Fri Nov 02, 2007 2:41 am
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I don't know if anyone else has tried this. I swaged 10 pieces of Acrylic together with spacers and glue. AND SHOT IT 8) . The 25grm round (metal...

Last post

I think my first post after seeing those pics was how is the poor bugger going to sell his house now?

Thanks for the tasty addition :)
15 Replies

5137 Views

Last post by Novacastrian
Mon Nov 19, 2007 3:38 am
pumpkin chuckin competition

Last post by mopherman
Replies: 37
by pyromanic13 » Sun Oct 28, 2007 10:19 pm
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anyone gonna be in Delaware for the comp?

I live in CT but I gonna try to get some friends together and take a train down there..

Last post

Wow spudders at pumkin chuckin, thats an interesting mix of crowds. Money versus inginuety,.
LoL, I hope they dont get into a projectile produce...
37 Replies

9344 Views

Last post by mopherman
Sun Nov 18, 2007 9:02 pm
Ammo for a 1-1/2 inch barrel?

Last post by DYI
Replies: 11
by wangpushups » Tue Nov 13, 2007 12:55 pm

First post

Besides potatoes...What else could I use for it?

Last post

I've been using ~1/2 pound of 3/8 ball bearings wrapped in tinfoil. Might not be suitable for low powered launchers though...

11 Replies

3404 Views

Last post by DYI
Sun Nov 18, 2007 2:05 pm
Epoxying Copper

Last post by Hotwired
Replies: 15
by Mitchza89 » Sat Nov 17, 2007 11:18 pm
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Hey spudder's.

I'm looking to make a all copper piston gun. Small bore's are doing my head in. I want this gun to be a mammoth of a marble gun. I've...

Last post

:D compressions are cheaper than using JFC, its like £12 for a tiny little bottle of it, i can't wait to see the finished cannon.

If its a small...
15 Replies

3230 Views

Last post by Hotwired
Sun Nov 18, 2007 11:10 am
where i can find it?

Last post by MetalMSTR
Replies: 8
by MetalMSTR » Mon Nov 12, 2007 5:16 pm

First post

hi i have the folowing problem:
i cant find a portable propane tank adapter i have called a lot of places where refactions for stoves and torches are...

Last post

oo yeah thats better...i will buy the torch next week when my father gives me the week money

8 Replies

3598 Views

Last post by MetalMSTR
Fri Nov 16, 2007 1:50 pm
simple cannon

Last post by BigGrib
Replies: 11
by fastcannonman » Wed May 30, 2007 11:51 pm

First post

Parts
2 feet of 2 inch dia. PVC or ABS pressure rated pipe
1 foot of 3 inch dia. PVc or ABS pressure rated pipe
screw off end cap for 3 inch pipe...

Last post

Please don't bump dead posts to get your post count up

11 Replies

7057 Views

Last post by BigGrib
Fri Nov 16, 2007 3:37 am
What have I missed?

Last post by Killjoy
Replies: 40
by SPG » Mon Nov 12, 2007 4:31 pm
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I've been out of spudgunning for a year or so, I got sude-tracked by the twin evils of an airsoft AEP and boatbuilding.

I see things have come on a...

Last post

ah! of course how did I not realize that...
40 Replies

8757 Views

Last post by Killjoy
Fri Nov 16, 2007 3:02 am
Simple arrows using duct tape

Last post by Zen///
Replies: 10
by Zen/// » Sun Nov 11, 2007 8:22 pm

First post

Very simple, you can use dowel rods or bamboo.

If this has been posted b4 don't flame me :cry: :oops:

Last post

But of course, feathers (after going through something) wear eventually too.

But things like these
are one time use :twisted:

10 Replies

4775 Views

Last post by Zen///
Wed Nov 14, 2007 6:47 pm
ricochet at close range

Last post by Killjoy
Replies: 20
by jackssmirkingrevenge » Tue Nov 13, 2007 3:04 am
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Not a spudgun, but a word of warning about the dangers of ricochet at close range, courtesy of this Darwin award candidate :roll: :D

Last post

I think the chances of reproducing now at his age and with a load of birdshot to the lower body are pretty slim

I meant that perhaps he had...
20 Replies

3503 Views

Last post by Killjoy
Tue Nov 13, 2007 8:35 pm
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

1903 Views

Last post by Hubb
Tue Nov 13, 2007 7:40 pm

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