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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

663474 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

388233 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

203496 Views

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

Topics

credentials

Last post by jackssmirkingrevenge
Replies: 57
by couchquail » Mon Oct 29, 2007 12:39 pm
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First post

recently my 14 yr. old son has come to me wanting to build spudguns. this really isn't a big for me seeing our family has been in the gunsmithing...

Last post

Ugh, would you stop trying to be so darn nuetral? You just said that it was stupid basically, and now you are pretending you didn't. We can handle...
57 Replies

14126 Views

Last post by jackssmirkingrevenge
Fri Nov 02, 2007 9:35 am
Calculating recoil energies.

Last post by Novacastrian
Replies: 27
by Ragnarok » Wed Oct 31, 2007 2:09 pm
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Hi there. I know a few of you know who I am.
For those of you that don't, I'm (currently, at least) the UKSGC's 3rd top poster with over 1900 posts,...

Last post

From what I can tell, a single round holds 1,100 tungsten balls 1cm in diameter
That's just damn evil, but it could be useful in a zombie...
27 Replies

10716 Views

Last post by Novacastrian
Fri Nov 02, 2007 3:15 am
cans

Last post by homedepotpro
Replies: 13
by homedepotpro » Tue Oct 30, 2007 9:08 pm

First post

you know those soup cans are those aluminum, steel or tin? I trying to find material for my forge.

Last post

i actually finished building and i test my mini forge tonight. Ill have pics soon but I was using a clay pot as a container and it totally cracked so...

13 Replies

3308 Views

Last post by homedepotpro
Wed Oct 31, 2007 9:09 pm
Modding a pistol Blowgun

Last post by Mitchza89
Replies: 2
by Mitchza89 » Wed Oct 31, 2007 7:29 pm

First post

Heys guys,

I'm looking to get a pistol style blowgun for my 8mm bb rifle. It'll be attatched in the style that Chaos has his on his S400. The pilot...

Last post

Yeah but his blowgun is worth 150 bucks and that one is worth 15 so it's a bit hard to compare =/

2 Replies

849 Views

Last post by Mitchza89
Wed Oct 31, 2007 8:28 pm
"True" sniper challenge!!!!

Last post by MrCrowley
Replies: 8
by Zen/// » Tue Oct 30, 2007 8:59 pm

First post

You aren't allowed to call this a 'sniper' until you hit a 5 x5 target at 500 yards, and even that is being generous.

:o :!: Meet this requirement...

Last post

The guy that said it was referring to real snipers, as a sniper is in fact the person shooting and not the gun.

It was more or less from people...

8 Replies

2300 Views

Last post by MrCrowley
Tue Oct 30, 2007 10:17 pm
Poly pipe bursting pressure.

Last post by Insomniac
Replies: 4
by Mitchza89 » Mon Oct 29, 2007 6:18 am

First post

I'm gonna make myself a High Pressure Pump and use poly pipe as the main cylinder for it. I'm pretty sure it can hold alot of pressure but does...

Last post

I am really not sure. I have a length of 20mm poly that says PR 2420 on the side. I guessed that that meant a pressure rating of 2420 kpa (350 psi)...

4 Replies

1575 Views

Last post by Insomniac
Tue Oct 30, 2007 12:23 am
Idea for an automatic cannon

Last post by spudgunnerwryyyyy
Replies: 11
by <(-_-)> » Sun Oct 28, 2007 3:35 am

First post

First of, since this is my first post, Hi!

Anyway, I have made quite a few potato cannons and I have always wanted an automatic one. The only...

Last post

You should tap a hose adapter after the valve and run a section of tubing to under the hopper to get things moving. Try ur idea.

11 Replies

3237 Views

Last post by spudgunnerwryyyyy
Mon Oct 29, 2007 9:14 pm
push turn breech and caps

Last post by iknowmy3tables
Replies: 11
by iknowmy3tables » Fri Oct 26, 2007 2:55 pm

First post

has this been done before? modifying the threads on a breech or end cap to be a push and turn cannon

I recognize the possible problems like the...

Last post

which is one of the problems, however there are solutions like the cap with sch40, a diffrent thread gauge, or a diffrent material
for a mini...

11 Replies

3036 Views

Last post by iknowmy3tables
Mon Oct 29, 2007 6:43 pm
spud tech?

Last post by st.croixsurfer
Replies: 6
by st.croixsurfer » Mon Oct 29, 2007 4:11 pm

First post

what ever happened to spudtech? why is it just an archive?

Last post

thanks for the explaination. its just i saw all that good info ,and thought it was a shame that no one could post.

6 Replies

2783 Views

Last post by st.croixsurfer
Mon Oct 29, 2007 6:03 pm
How To use a fire extinguisher as a chamber

Last post by Wombat
Replies: 31
by MrCrowley » Mon Dec 18, 2006 7:06 pm
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Ok everyone wants the answer to this....well I have it.

I found an old tap(pictured below) and opened it up to reveal this threaded plug thing that...

Last post

Alright, I'm not sure, but I think that that piece you used for the FE fitting is called a bibb seat I'm not completely sure though.
31 Replies

17456 Views

Last post by Wombat
Sun Oct 28, 2007 2:33 pm
Appalachian Spudgunners

Last post by veginator
Replies: 14
by strangers » Sat Oct 27, 2007 2:20 pm

First post

Specifically West Virginia and Virginia, it's to wet/cold right now for a meet, but maybe one in the summer.

Last post

Damn if only I lived some where more north than Redneck georgia. I am about 500 miles away from anybody.

14 Replies

5929 Views

Last post by veginator
Sun Oct 28, 2007 7:49 am
Name this part (please)

Last post by Redcoat
Replies: 15
by Novacastrian » Fri Oct 26, 2007 7:55 pm
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Hey spud chuckers, I have managed to obtain some kind of electronic valve of sorts ( i don't know what the fudge it is ). It was made by Compair,...

Last post

yeah like I'm into Model Trains (Empire Era) and I thin it's recommended at 12v but i do ramp it up a tad :twisted: .
15 Replies

4044 Views

Last post by Redcoat
Sun Oct 28, 2007 3:22 am
Why Schrader valves?

Last post by Novacastrian
Replies: 27
by K40T1C » Mon Jan 30, 2006 7:33 pm
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Maybe I'm just being a incompetent fool, but why do you have to use schrader valves for pnuematics... why not just us the normal type.. they are...

Last post

They are all universaly yours, it's up to yourself to figure out a way to use a certain valve- THEN post a question in regards to your findings :evil:
27 Replies

9532 Views

Last post by Novacastrian
Sun Oct 28, 2007 12:42 am
2nd fitting save

Last post by jasonsmithmyer
Replies: 8
by cdheller » Thu Oct 25, 2007 8:02 pm

First post

chiping.
start at bottom pic and work up

Last post

They make a tool you put in a drill and it drills out the fitting like what you're doing. I'm sure someone on here has seen or used one of them...

8 Replies

4363 Views

Last post by jasonsmithmyer
Sat Oct 27, 2007 9:10 pm
Anybody made something like this?

Last post by shud_b_rite
Replies: 9
by mtronic » Sat Oct 27, 2007 6:34 pm

First post

I saw this one ages ago and wondered if anyone here had built it? Or if anyone had built something similar?

The idea of having multiple barrels...

Last post

That cannon makes an awesome sound. That will be all

9 Replies

2441 Views

Last post by shud_b_rite
Sat Oct 27, 2007 8:53 pm
Multishot Pneumatic

Last post by wannabie
Replies: 9
by Lentamentalisk » Tue Oct 23, 2007 6:19 pm

First post

I assure you that you have (probably) never seen this design before (unless you have been hanging out on UKSGC.) I dont claim that I invented it, I...

Last post

My bad should have read the post and not just looked at the pic's.
Its a good idea but i would like to know how much performance/distance you use...

9 Replies

3010 Views

Last post by wannabie
Sat Oct 27, 2007 3:52 pm
Somewhat Homemade Lathe

Last post by MaxuS
Replies: 24
by noname » Thu Oct 25, 2007 10:18 pm
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I'm almost done with my lathe! So far, it's costed $0. It's also extremely simple, but will (hopefully) work very well. The main component: a bench...

Last post

I use my pillar drill, its almost like it was made for the job..Just turn it on its side and its ready to roll, adjustable speed aswell. :D
24 Replies

4977 Views

Last post by MaxuS
Sat Oct 27, 2007 10:47 am
mythbusters motor cannon

Last post by st.croixsurfer
Replies: 19
by st.croixsurfer » Thu Oct 25, 2007 3:37 pm
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On mythbusters last night they were testing the mith that a shreds of an eploded truck tire could behead someone. but the way they tested this was to...

Last post

thanks thank you
19 Replies

4630 Views

Last post by st.croixsurfer
Sat Oct 27, 2007 10:04 am
How To Save A Fitting

Last post by ammosmoke
Replies: 6
by cdheller » Thu Oct 25, 2007 7:24 pm

First post

1 of a few ways to save either the pipe or the fitting.

start at bottom pic and go up

Last post

Um, that doesn't look like a good idea to me....

6 Replies

3100 Views

Last post by ammosmoke
Thu Oct 25, 2007 9:05 pm
Propane Injection-Math

Last post by mark.f
Replies: 22
by FeLeX » Mon May 07, 2007 8:21 pm
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If you are planning on making a new combustion and you want to be able to fire it every time, this is for you. If you are planning on putting a...

Last post

Simply put:

IF chamber does not displace air as propane is injected
THEN
P m = 0.6174V c
-----
V m

IF chamber does displace air as propane is...
22 Replies

13914 Views

Last post by mark.f
Thu Oct 25, 2007 5:51 am
Advanced Piston Design

Last post by clide
Replies: 13
by Marco321 » Wed Oct 24, 2007 2:01 am

First post

I have been thinking about pistons and came up with this idea about making them open faster.
For those who understand pistons, will know they move...

Last post

I do remember that gun. I have recently seen evidence that suggests that GGDT is fairly accurate in predicting if the valve will bounce or not...

13 Replies

3420 Views

Last post by clide
Thu Oct 25, 2007 1:03 am
is epoxy safe to use one a cannon

Last post by f.c
Replies: 14
by donimic1313@hotmail » Tue Oct 23, 2007 8:50 pm

First post

is epoxy safe to use on a cannon that will likely be pressureised to 20-100 PSI, and if not, what is a safe way to seal a cannon besides welding

Last post

yes aslong as you let it dry and roughen the pvc up before hand.

14 Replies

4037 Views

Last post by f.c
Wed Oct 24, 2007 2:40 am
Piston Valve with Burst Disk

Last post by iknowmy3tables
Replies: 10
by dapallox1 » Mon Oct 22, 2007 9:22 pm

First post

I really wanted to test this before anyone I posted it, but I guess I'll go ahead and ask about it. Would a burst disk about 1' in front of a piston...

Last post

okay make it tighter at the breech, so like line the breech with an epoxy layer
or how about hopup

10 Replies

2326 Views

Last post by iknowmy3tables
Tue Oct 23, 2007 9:38 am
Widening a chuck

Last post by goose_man
Replies: 7
by goose_man » Mon Oct 22, 2007 6:18 am

First post

I like to use my drill press as a half-lathe, but this seems like it would work better if my chuck didn't have a maximum diameter of 1/2 . Does...

Last post

I'm going to go to Home Depot to look in a few days. Thanks!

-goose_man

7 Replies

3152 Views

Last post by goose_man
Mon Oct 22, 2007 4:58 pm
Anyone do 3D modelling?

Last post by Gepard
Replies: 24
by Gepard » Thu Jul 12, 2007 1:12 pm
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Hi,

I'm looking for someone who is able to create 3D models of PVC fittings. I'm writing some new spudgun software that includes a 3D virtual...

Last post

Thanks guys,

Matt (sandman) will be doing the models and Jo's brother has said he'll provide the formulas for the simulating side of things. Just...
24 Replies

7963 Views

Last post by Gepard
Sun Oct 21, 2007 4:34 pm

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