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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

623481 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

374999 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

193556 Views

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

Topics

fully automatic belt fed air spudguns

Last post by quinn whitsitt

by quinn whitsitt » Wed Feb 14, 2024 11:23 am

if any of you have a belt fedd fully automatic air powerd spudgun can you please tell me how you did it and how you did not loose your air pressure

0 Replies

30858 Views

Last post by quinn whitsitt
Wed Feb 14, 2024 11:23 am
what are some feuls that you guys know off that work well that are little known

Last post by quinn whitsitt

by quinn whitsitt » Wed Feb 14, 2024 9:24 am

for me it is carbarator cleaner liquid furtillzer gas mix and diesel feul suppplement if you know off some please tell me

0 Replies

30439 Views

Last post by quinn whitsitt
Wed Feb 14, 2024 9:24 am
Fly-K mortar - "captive piston" variation

Last post by jackssmirkingrevenge
Replies: 14
by jackssmirkingrevenge » Wed Mar 16, 2011 2:15 am

First post

Rheinmetall's Fly-K mortar operates on the same spigot mortar principle as much earlier weapons like the PIAT however it marries the idea with the...

Last post

That's basically what they are, catapults where the power comes from something other than torsion.

14 Replies

78718 Views

Last post by jackssmirkingrevenge
Tue Dec 19, 2023 12:33 pm
how to convert fps into mph

Last post by jimmy101
Replies: 21
by smiley face » Thu May 10, 2007 9:46 am
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Take your feat per second that your object is traveling and multiply by 3600 which is the amount of seconds in one hour now take the number you just...

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The point is to know how to solve problems (not just this problem) without resorting to magical numbers specific to only one problem, like 22/15....
21 Replies

104809 Views

Last post by jimmy101
Tue May 16, 2023 12:16 am
How do you convert in3 into in2

Last post by Doc j
Replies: 2
by Doc j » Thu Dec 01, 2022 9:25 pm

First post

Hi .

Purpose of question .
Work out the atmospheric pressure available within a cylinder , pre compression .

So then can work out , a compression...

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Boyle's Law. Not Susan Boyle.

For a given mass of confined gas at constant temperature, pressure multiplied by volume will be constant.

So for a...

2 Replies

24257 Views

Last post by Doc j
Mon Dec 05, 2022 6:34 am
Canada prohibits spudguns over 20mm

Last post by Anatine Duo
Replies: 13
by Anatine Duo » Fri May 01, 2020 7:39 pm

First post

So it looks like my 20mmplus bores are now prohibited!!! What do I do... get them grandfathered and so non-transferable? Do I get a compensation for...

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It says here only one of the characteristics is sufficient unfortunately.

from

In addition to the list prohibited by model, all firearms with one...

13 Replies

53626 Views

Last post by Anatine Duo
Sat Mar 26, 2022 8:02 am
tennis ball gun for my dog

Last post by Moonbogg
Replies: 8
by hdlbq » Wed Mar 02, 2022 8:17 am

First post

Hello,
When I was a boy (I'm 63), I remember a compressed air gun that works approximately like that:
- You compress the air by sliding a tube...

Last post

Yeah I'd just buy one of those things for sure.

8 Replies

23243 Views

Last post by Moonbogg
Wed Mar 23, 2022 7:05 pm
Nerf Air Restricter like Piston Valve

Last post by GoldGolfBallGun
Replies: 2
by GoldGolfBallGun » Thu Aug 06, 2020 11:55 am

First post

Hello Spudders,
Please excuse my ill knowledge of the website - First post (however onto forth cannon so I have some experience)
I have searched what...

Last post

Awesome! I have learnt a lot from these videos :)
Hybrid piston will come later down the track but will be implemented definitely:)

2 Replies

12794 Views

Last post by GoldGolfBallGun
Wed Mar 02, 2022 4:19 am
Hacksmith of potato guns?

Last post by rookie builder
Replies: 6
by kunkmiester » Tue Jul 06, 2021 9:37 am

First post

Has anyone looked at doing something like that? He gets most of his revenue from ads on his videos, both from Youtube and from his own inserted...

Last post

NighthawkInLight is the closest example I can think of to your description. His channel focuses on a variety of subjects but he has also made...

6 Replies

15436 Views

Last post by rookie builder
Sun Jul 18, 2021 5:57 am
Counter balanced hammer valve issue

Last post by hectmarr
Replies: 10
by wyz2285 » Mon May 17, 2021 2:28 pm

First post

Untitled.png So I built a fairly well made counter balanced valve.
Exhaust 7mm diameter with 9mm piston. Then I compared it to a conventional hammer...

Last post

Okay. Thanks for the info. I'm going to be curious about this.

10 Replies

47469 Views

Last post by hectmarr
Wed May 26, 2021 11:00 am
Identifying an old launcher (picture attached)

Last post by jrrdw
Replies: 1
by DuckiestBoat » Sun May 23, 2021 3:57 pm

First post

I'm currently in the R&D process for my own spud gun and I stumbled across this design that is shockingly similar to my own. From the placement of...

Last post

There's no picture. I think you're talking about this cannon.

1 Replies

18536 Views

Last post by jrrdw
Mon May 24, 2021 5:21 am
3D Software

Last post by akb
Replies: 19
by MikeNice » Fri Apr 30, 2010 5:57 pm
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I'm looking for suggestions on some half-way decent free-ware 3D rendering software for putting together some models in. I'm not interested in any...

Last post

OpenSCAD works for me
19 Replies

20953 Views

Last post by akb
Sun Apr 11, 2021 9:30 am
Question regarding piston for mini coaxial

Last post by jackssmirkingrevenge
Replies: 3
by PatchyThePirate » Tue Feb 23, 2021 11:38 am

First post

I am in the process of building my first pneumatic air gun which is a mini coaxial. I have made the piston out of a short length of pen cap which has...

Last post

Or should I look into using epoxy or a solid rubber one? But that would require me to make an entirely new piston. The epoxy I have right now is...

3 Replies

10619 Views

Last post by jackssmirkingrevenge
Thu Feb 25, 2021 10:04 am
so more 3d printing ideas for review

Last post by jackssmirkingrevenge
Replies: 1
by Theonepbs » Thu Feb 04, 2021 10:23 pm

First post

so i drew up my own version of a tippmann X-valve the heart of most of the tippmann line in paintball 98, 98c, a5, etc

anyhow its way bigger by...

Last post

Very interesting idea! It will be interesting to see if the dynamic still functions at relatively low pressure - primarily if a spring strong enough...

1 Replies

15406 Views

Last post by jackssmirkingrevenge
Sun Feb 07, 2021 6:44 am
High pressure air pump

Last post by hectmarr
Replies: 2
by hectmarr » Mon Jan 11, 2021 9:24 am

First post

The three wise men stopped by my house and gave me a bomb for nationally manufactured pcp weapons. It is a Spartan 300 from AIRTEC. It's for 300 bar...

Last post

Do not tempt me ... :evil: I am in a super urban environment full of allergic to explosions, my possibilities of making noises are very limited.
I...

2 Replies

9304 Views

Last post by hectmarr
Wed Jan 13, 2021 8:05 am
about accuracy

Last post by PracticallySane
Replies: 29
by bravootome » Wed Dec 30, 2020 2:11 pm
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i opened this topic looking for some answers about what to do ( that i have not done ) for accuracy....
specs : 6.01 500 mm barrel ( 450mm, 550,mm,...

Last post

Tig welding uses inert gasses instead of slag lava to shield the weld from atmosphere.

Your cheapest option would be a braze, they are easy to...
29 Replies

55750 Views

Last post by PracticallySane
Sun Jan 03, 2021 10:48 am
JSR's workshop chronicles

Last post by Moonbogg
Replies: 71
by jackssmirkingrevenge » Fri Feb 21, 2020 8:53 am
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A little over a month ago I posted about getting some new tooling in my new abode. I will be chronicling developments in this thread.

Not much...

Last post

Those parts look super clean. Nicely done! Smooth as a baby's arse.
71 Replies

213809 Views

Last post by Moonbogg
Fri Jan 01, 2021 9:00 pm
stainless steel tube burst pressure

Last post by jackssmirkingrevenge
Replies: 24
by bravootome » Sun Dec 27, 2020 1:17 pm
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hy there, i cant figured out how to calculate the burst pressure of my airtank as i got a hillpump capable of 300 bar. i used to charge it to a...

Last post

I follow his same philosophy, and up to now I have my two eyes and my ten fingers. :D

I didn't used to, but I have had a few close shaves, and each...
24 Replies

58007 Views

Last post by jackssmirkingrevenge
Thu Dec 31, 2020 10:26 am
shut-off valve suppressor

Last post by jackssmirkingrevenge
Replies: 81
by jackssmirkingrevenge » Wed Feb 22, 2012 1:27 am
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Following this conversation and considering Brian's input, here's a concept for a suppressor that uses a free floating ball of larger diameter than...

Last post

Contemporary article about the work of French inventor Colonel Guilbert Humbert
81 Replies

171689 Views

Last post by jackssmirkingrevenge
Sun Oct 18, 2020 10:51 am
Modern cellphone cameras and recording ballistic tests

Last post by jackssmirkingrevenge
Replies: 5
by jackssmirkingrevenge » Sun Jun 07, 2020 6:46 am

First post

Technology has come some way since the lazor era of my Nokia Prism over a decade ago.

I had a play with the Slow Motion and Super Slow-Mo modes on...

Last post

I did not know that you obtained this recognition, undoubtedly very valuable, at least as I see it. The ammunition you designed looks great!
I also...

5 Replies

33479 Views

Last post by jackssmirkingrevenge
Tue Jun 09, 2020 6:44 am
Storage for pneumatic spud

Last post by jackssmirkingrevenge
Replies: 1
by Spud33 » Wed Jun 03, 2020 12:01 am

First post

Hi! I hope you guys are safe and well. I would just like to ask how you guys store your pneumatic spud gun in your truck? I'm planning to get a tuffy...

Last post

Anything that keeps it hidden from prying eyes and protects it from impacts especially if it's PVC. I would just put it in the bed on a sheet of...

1 Replies

5355 Views

Last post by jackssmirkingrevenge
Sat Jun 06, 2020 6:10 am
Extra powerful homemade weapon.

Last post by hectmarr
Replies: 3
by hectmarr » Fri May 22, 2020 3:52 pm

First post

PCP with more than 4000J, 265 bar, and projectile of 0.168 kg :o ... Beautiful! :D

Last post

Super powerful!

3 Replies

37349 Views

Last post by hectmarr
Sun May 31, 2020 11:32 am
Question regarding spigot mortar style ammo.

Last post by jackssmirkingrevenge
Replies: 7
by Alex345 » Tue Apr 14, 2020 6:13 am

First post

So a while ago i built a fully steel, 1.5 piston-valved cannon with the intention of firing 28mm fin stabilized projectiles consisting of wire rods...

Last post

I pondered a Fly-K style type spigot mortar a while back...

edit: damn, that was almost 10 years ago. Time's a wastin'

7 Replies

26132 Views

Last post by jackssmirkingrevenge
Thu May 14, 2020 8:46 am
Nerf Launcher Valve/Design Question

Last post by jackssmirkingrevenge
Replies: 2
by sporgo » Sat Feb 22, 2020 7:42 pm

First post

I stumbled upon an older video recently of someone firing a CO2 Nerf ball or paintball cannon. They are using an activation handle/valve that I am...

Last post

Looks like your traditional three-way valve /QEV setup:

When at rest, the QEV pilot is connected to the main air chamber (filled from a CO2...

2 Replies

5722 Views

Last post by jackssmirkingrevenge
Wed Feb 26, 2020 7:30 am
Taking examples from nature: hydropneumatic spuds

Last post by mrfoo
Replies: 3
by Cthulhu » Sun Feb 02, 2020 7:16 pm

First post

So my college education and personal interests have started making me get into mycology, and I read about a type of mold called pilobolus which fires...

Last post

Nah.

The big issue is compressibility. Water, in particular, can pretty much be considered incompressible at realisable pressures. So we put some...

3 Replies

7304 Views

Last post by mrfoo
Tue Feb 04, 2020 12:09 pm

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