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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...

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thank you for creating this website is there anything i can do to help
15 Replies

1568416 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...

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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

752595 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

409675 Views

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

Topics

C02 powered air cannon

Last post by Orpackrat
Replies: 6
by BA_Noob » Wed Mar 25, 2009 2:27 pm

First post

This is an idea i've been working on for a few days now, It is otherwise a plane old air gun except for a fixed pressure c02 regulator (150 psi)...

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Where is the safety blow off valve?

The launcher can only hold as much pressure as the weakest part.

6 Replies

8280 Views

Last post by Orpackrat
Sat Apr 11, 2009 12:33 am
Poweful new spudgun!

Last post by starman
Replies: 22
by Taavet » Sun Mar 01, 2009 9:05 am
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:shock:

Last post

Looks like it almost when to ludicrous speed ....
22 Replies

9498 Views

Last post by starman
Fri Apr 10, 2009 12:10 am
How I built my 2" piston valve

Last post by tomthebomb137
Replies: 18
by jmeyer1022 » Mon Jan 26, 2009 9:19 pm
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Materials needed:

2 Female adapter thread x slip

2 Tee

2 Inch Slip x 1 1/2 Inch FPT Reducer

except inside is threaded

1 1/4 Coupling...

Last post

and now im a little confused again(sorry) are you using a 1 1/4 coupling, or a 1 1/2 section of pipe?
18 Replies

12837 Views

Last post by tomthebomb137
Thu Apr 09, 2009 8:49 pm
BSP and BSW threads.

Last post by ALIHISGREAT
Replies: 1
by psycix » Thu Apr 09, 2009 7:15 am

First post

I am about to buy a tap and die set. Very useful since I can machine stuff.
As I live in europe pipe threads are not NPT, but BSP. I found a cheap...

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BSP is British standard pipe.
BSPP is British standard pipe parallel (thread is parallel)).
BSPT is British standard pipe taper (thread is tapered)...

1 Replies

10393 Views

Last post by ALIHISGREAT
Thu Apr 09, 2009 7:58 am
water cannon

Last post by Lokoyo
Replies: 7
by Atrocity » Thu Apr 02, 2009 9:18 pm

First post

saw some people shooting water out of their cannons and was wondering whats the best way to do this.

cannon is an over-under pneumatic with a modded...

Last post

This might help you :D

Peacemaker MK2 created by me (Lokoyo)

7 Replies

4164 Views

Last post by Lokoyo
Wed Apr 08, 2009 7:44 pm
Selling Stuff!!!!

Last post by STHORNE
Replies: 11
by STHORNE » Sat Apr 04, 2009 5:09 pm

First post

SALE!!!!

Hey guys, a while ago I was going to make an awesome Advanced Combustion but after i kept draining my wallet, i decided to abandon the...

Last post

Ok guys, i am selling the Advanced Combustion Meter to Rcman.

But the Tank Holder is still up for grabs!

I accept paypal OR check by mail.

11 Replies

3291 Views

Last post by STHORNE
Mon Apr 06, 2009 6:26 pm
I am Extatic!

Last post by Moonbogg
Replies: 85
by Moonbogg » Thu Jan 08, 2009 10:51 pm
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So I designed a cannon and its going to being fabricated!! One of my clients is letting me pay for it with CAD drawings!! I am so stoked. This thing...

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Fried face and major ear lowering.... :wink:

Yeah that camlock is great isn't. Have you experimented with layer count? I would experiment with 1x...
85 Replies

29401 Views

Last post by Moonbogg
Mon Apr 06, 2009 3:48 am
Mach #'s , Shock Heating, Etc... C'mon You Rocket Scientist

Last post by Technician1002
Replies: 13
by jeepkahn » Sat Mar 14, 2009 4:23 pm

First post

There's been some discussion here lately about mach numbers, shock heating, and various other phenomena...

How many of you have used or considered...

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With non-heated air, going supersonic is really difficult. It's possible, but I wouldn't go for it.

I'm working on it. I am getting somewhat...

13 Replies

4955 Views

Last post by Technician1002
Mon Apr 06, 2009 1:32 am
How to Make a Silencer For Your Spuddy

Last post by tomthebomb137
Replies: 114
by camdaman38 » Sun Apr 01, 2007 10:15 am
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THESE PLANS ARE ORIGINALLY FROM THIS IS NOT MY PLANS CAUSE I FOUND THEM ON THE NET AND I AM NOT TAKING CLAIM FOR THESE PLANS I JUST WANT TO SHARE...

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hahah thanks guys :D iv been waiting for quite a while to pick up a large caliber weapon, and now iv got one that'll do 1200 yards :D
114 Replies

95299 Views

Last post by tomthebomb137
Sat Apr 04, 2009 10:58 am
simple camo look

Last post by twizi
Replies: 11
by john bunsenburner » Sat Mar 21, 2009 11:06 am

First post

Well i found this video while searching for different ways to color a gun. It seems very simple and can be used for lots of different kinds of camo,...

Last post

in the airsoft gun pic thread it shows how to make simple digi camo

i ve done it to all my airsoft guns

11 Replies

5881 Views

Last post by twizi
Fri Apr 03, 2009 10:03 pm
Sleeving SDR-21 in SCH 80

Last post by mark.f
Replies: 12
by jmeyer1022 » Fri Apr 03, 2009 9:04 am

First post

My dad found a 6' length at work so I plan on sleeving the majority if not all of my barrel due to what happened last time. I know this stuff is...

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Care to eleborate?

12 Replies

4716 Views

Last post by mark.f
Fri Apr 03, 2009 2:04 pm
Steam cannon

Last post by sssssbooom
Replies: 18
by inonickname » Sat Mar 28, 2009 4:37 am
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Well accord into here water boiled in an enclosed chamber with propane or mapp can reach 500 psi. Assuming you could build a chamber, barrel and...

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I found this

sounds like a fun little project
18 Replies

7250 Views

Last post by sssssbooom
Fri Apr 03, 2009 2:34 am
spudding equations

Last post by Biopyro
Replies: 5
by jonnyboy » Wed Apr 01, 2009 6:04 pm

First post

Well I think something like this may have been posted like this a while ago but if I remember this is a little different.

The formula is h=vt -...

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Your link needs fixing Jimmy - the full stop at the end breaks it.
There is a Range calculator around which accounts for drag, wind, firing angle,...

5 Replies

3350 Views

Last post by Biopyro
Thu Apr 02, 2009 12:44 pm
Anyone have the OD of 1 1/4 coupling on hand?

Last post by mark.f
Replies: 2
by jmeyer1022 » Wed Apr 01, 2009 9:53 pm

First post

I don't have one on hand, and trying to put some things together. If anyone can get me this, thanks in advance.

Last post

1-1/4 couplings fit into 2 pipe with a few hundredths (inches) of clearance, which would back up the information given by that Spears PDF.

2 Replies

4149 Views

Last post by mark.f
Wed Apr 01, 2009 11:04 pm
scared out of my mind

Last post by SpudFarm
Replies: 23
by facist7 » Sun Mar 29, 2009 9:53 pm
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i just built my first spud gun, and for a test i dry fired it with green gas (aka propane) and it was extremely loud and had a nice kick on it.

i am...

Last post

yeah, metalls is a no-good if you are blasting them.
23 Replies

7364 Views

Last post by SpudFarm
Wed Apr 01, 2009 10:22 am
Alternatives to PVC?

Last post by ramses
Replies: 29
by oldchris » Sun Mar 22, 2009 11:04 am
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AFAICT, PVC us only used for non-pressure rated applications hereabouts (Ontario): central vac pipes, furnace intake/exhaust, underground drainage,...

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yeah thanks
always sch 40 or sch 80
got that

make sure it actually says a pressure on it. sch 40 is just a rating of wall thickness. fittings...
29 Replies

13093 Views

Last post by ramses
Mon Mar 30, 2009 3:48 pm
pics now!!! homemade LARGE schrader....

Last post by jeepkahn
Replies: 18
by jeepkahn » Sat Mar 21, 2009 8:04 am
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This is for venting, not filling...

Yesterday, I was playing with my new copper gun, and wasn't real thrilled about the performance at lower...

Last post

You guys are forgeting that it wouldn't be hard to make a trigger that would act on the button directly(no hammer needed), and because of leverage...
18 Replies

6564 Views

Last post by jeepkahn
Sat Mar 28, 2009 1:52 pm
Building a pistol grip?

Last post by SPG
Replies: 20
by JDP12 » Wed Mar 18, 2009 1:48 pm
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Hey all- I need to create a nice pistol grip for my BBMG- and I could go out and buy a cheap airsoft gun, but I don't want to do that, i would like...

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Use foam and fibreglass, it's really easy and has been used to make composite stocks for proper airguns and small calibre fire-arms.

You'll need...
20 Replies

10086 Views

Last post by SPG
Fri Mar 27, 2009 9:26 am
Fridge Compressor Wiring and Airline Configuration.

Last post by ralphd
Replies: 11
by rna_duelers » Mon Mar 23, 2009 9:49 pm

First post

I have a working fridge compressor in my shed which I would like to wire up so it can be used readily for a high pressure air source.I have came...

Last post

Wow, this was a tough one. I finally was able to find a PDF of a fridge that used that compressor. Go through it to locate the page with the wiring...

11 Replies

7901 Views

Last post by ralphd
Fri Mar 27, 2009 6:59 am
the colors of a cannon

Last post by c11man
Replies: 37
by c11man » Sat Mar 21, 2009 9:43 am
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right now i am making a very large piston cannon and was hopping for some advice on colors. i am game for things like fittings one color and pipe...

Last post

oh i guess i never thought about that..

what kind of finish woud your guys put on a wood stand?
37 Replies

6976 Views

Last post by c11man
Thu Mar 26, 2009 5:29 pm
Simple High-Speed photography

Last post by Insomniac
Replies: 98
by Insomniac » Mon Dec 29, 2008 11:14 pm
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A while back I got my hands on a weeks worth of disposable cameras from the camera shop. I used about half of them by pulling them apart and shorting...

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Hmm... I haven't really bothered with this recently, although I may dig it up again somtime and see if I can make it work.
98 Replies

32369 Views

Last post by Insomniac
Mon Mar 23, 2009 1:21 am
Rewiring Char-Broil Grill ignitor

Last post by clide
Replies: 4
by jmeyer1022 » Sat Mar 21, 2009 9:54 am

Here is the basic image:

I want to wire it into a handle such as,

IMG borrowed from: Cosmic Muffin

Anyways, I believe its a push button normally...

4 Replies

1806 Views

Last post by clide
Sat Mar 21, 2009 8:40 pm
projectile velocity guesses

Last post by rp181
Replies: 4
by rp181 » Tue Mar 17, 2009 6:50 pm

First post

Hey all. I fired the railgun again, it was the best shot yet. Can anyone guess the velocity of it? It put a hole in .02 steel plate. The projectile...

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I tried that. The quality sucks too much. On the plus side, I may be getting access to a phantom 5.1 high speed camera.

4 Replies

1862 Views

Last post by rp181
Thu Mar 19, 2009 2:57 pm
multiple part barrel

Last post by psycix
Replies: 3
by grock » Wed Mar 18, 2009 10:02 pm

First post

i was trying to make a drumstick (for dums, not chicken) gun for my percussion buddy, but he wants one that can easily fit in a backpack. i was...

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Threaded adapters FTW!

Just make sure the transition of the barrels is smooth on the inside (chamfer the edge)

3 Replies

1422 Views

Last post by psycix
Thu Mar 19, 2009 12:31 pm
Semi-Automatic Piston Valve Diagram

Last post by burgerace69
Replies: 3
by burgerace69 » Wed Mar 11, 2009 5:23 pm

First post

I've been thinking about how I could make a portable, powerful, and most importantly, efficient cannon. I think I may have developed something after...

Last post

I guess i probably didn't set the proportions correctly at all. the semi auto portion is smaller than cpvc and the blue part (1) is much larger in...

3 Replies

3740 Views

Last post by burgerace69
Thu Mar 19, 2009 11:48 am

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