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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

1566936 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

752140 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

409386 Views

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

Topics

2nd Cannon

Last post by frogy
Replies: 3
by removed » Tue Jun 20, 2006 2:54 am

First post

Hey all.
I built my first combustion cannon a while ago and over time and with several problems it turned out to be quite good. It's reached the...

Last post

A chamber to barrel ratio is a simple thing really...

If the volume of your Chamber is 5 L (About 63.5 cm long peice of 4 Pipe)
You divide 5 L by...

3 Replies

1459 Views

Last post by frogy
Tue Jun 20, 2006 1:14 pm
Supersonic Golfballs

Last post by djt
Replies: 21
by Pete Zaria » Mon Jun 19, 2006 6:37 pm
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First post

OK, so here's a random, out-there question for you.

For a summer project, I want to break the sound barrier with a golfball. What do you think is...

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yes i have done that before. whichever one creates more bubbles is the hydrogen the the other is oxygen. it took me about 5 minutes to fill up a 3...
21 Replies

9827 Views

Last post by djt
Tue Jun 20, 2006 12:39 pm
blowgun on coaxil piston??

Last post by djt
Replies: 12
by djt » Mon Jun 19, 2006 8:59 pm

First post

has anyone ever used a blowgun on a coaxil piston for exausting the air? would it let air out fast enough?

Last post

thank you frogy im ordering it right now. its only 13 bucks too! i would have never found that cause im stupid. thanks alot

edit: haha it said...

12 Replies

6307 Views

Last post by djt
Tue Jun 20, 2006 12:09 pm
Air rifle

Last post by )DEMON(
Replies: 10
by Rambo » Mon Jun 19, 2006 9:25 am

First post

Have you ever wonder what will happen if you put diesel in the cilinder of an air rifle?

Last post

I have a really good quality 1000 fps break barrel rifle, Hatsan mod 55.Rambo what do you have.

10 Replies

3877 Views

Last post by )DEMON(
Tue Jun 20, 2006 11:02 am
Acetylene Detonation Cannon

Last post by FiveseveN
Replies: 13
by FiveseveN » Mon Jun 19, 2006 3:14 pm

First post

All this talk about HCCH gave me an idea.
It uses a piston to compress acetylene beyond the point where it self-detonates, thus rupturing the burst...

Last post

Lol, huse_spud. Do you think my Maria Teresa is sexy, too? :D

So yeah, It'll be using a liquid instead of air to drive the piston.
One could defuze...

13 Replies

12932 Views

Last post by FiveseveN
Tue Jun 20, 2006 5:57 am
Portable Pneumatic Idea

Last post by djt
Replies: 5
by Benny » Mon Jun 19, 2006 12:50 am

First post

basically you have a metal chamber, and you have nicrome wire, the nicrome wire heats up and turns the water to steam, then the steam builds up...

Last post

its a good idea but i just dont think it would produce pressure very fast. im kinda impatient so i would rather just hand pump it.

5 Replies

1588 Views

Last post by djt
Mon Jun 19, 2006 5:54 pm
Pneumatic Arm

Last post by boilingleadbath
Replies: 10
by CS » Sun Oct 09, 2005 7:08 pm

First post

Today I was messing around with some pipe and thinking how I was going to make my own imatation supah vavle. I couldnt think of any good designs so I...

Last post

sgort, that eliminates half the point of the exercise.

10 Replies

8239 Views

Last post by boilingleadbath
Mon Jun 19, 2006 5:20 pm
Vortex vs. Cloud strafers

Last post by FiveseveN
Replies: 16
by demilus » Wed Jun 14, 2006 6:47 am
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Which one is better? From all the stuff ive seen, they shoot about the same rate, but the cloud is just easier to build.

Last post

Yeah, if it's PVC it will get terribly scratched. It won't be crystal-clear but you should still make out the BBs bouncing around even after extended...
16 Replies

5666 Views

Last post by FiveseveN
Mon Jun 19, 2006 5:12 pm
Ghetto Gun

Last post by noname
Replies: 33
by Benny » Wed Jun 14, 2006 6:58 am
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yes, that makes 13 guns posted in the last 48 hours, Lol.
long story short... i went to a friends house and he DESPRITLY wanted to build a cannnon so...

Last post

Benny,
Just try to find an end cap that fits reasonably well. Copper or PVC, if it doesn't fit that good just wrap duck tape around it (or be smart...
33 Replies

7919 Views

Last post by noname
Mon Jun 19, 2006 4:26 pm
Understanding piston valve

Last post by noname
Replies: 8
by The Boomstick » Sun Jun 18, 2006 10:52 pm

First post

Hello, I'm new to the idea of coaxial/piston valves, though I do have previous experience with other pneumatic cannons (3 previous ball valves,...

Last post

You're going to be pumping for quite a while. My pump can pump about 15 ci each pump and my coax is ~92 ci. It takes about 15 pumps to get it to 55...

8 Replies

2396 Views

Last post by noname
Mon Jun 19, 2006 4:08 pm
Multiple Barrels

Last post by Atlantis
Replies: 1
by SupaDupaSpud » Mon Jun 19, 2006 1:37 pm

First post

i built a spud gun couple weeks back and decided i wanted to build another. this one though was gonna be a gun with different barrels, as ive seen on...

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Mine only screws in about the same difference, you only need at a few threads to hold it on. I just tested mine, I only screw it in 1 1/4 turns....

1 Replies

1097 Views

Last post by Atlantis
Mon Jun 19, 2006 2:34 pm
which program?

Last post by boilingleadbath
Replies: 10
by djt » Sat Jun 17, 2006 10:38 am

First post

i know you have probably heard this question a hundred times but i cant find the topics of it. Which tool should i use to find the optimal barrell...

Last post

Highly doubted, sgort.
Pneumatics typicaly preform most efficiently - if not most powerfully - at ratios way below 1:1... unless they are opperating...

10 Replies

5164 Views

Last post by boilingleadbath
Sun Jun 18, 2006 11:18 pm
Butterfly Valves

Last post by CS
Replies: 10
by Atlantis » Sun Mar 19, 2006 9:57 pm

First post

I have 2 questions.
1: How effective are butterfly valves?
2: Would it be possible to build one myself?

I know butterfly valves are used in pumpkin...

Last post

What about this?

10 Replies

2571 Views

Last post by CS
Sun Jun 18, 2006 10:52 pm
CO2 powered cloud strafer / regulators

Last post by demilus
Replies: 10
by demilus » Fri Jun 16, 2006 3:31 pm

First post

I am planning to build a portable cloud bbmg. I have already made the gun itself, and am planning on making a pvc backpack. The backpack gets...

Last post

hey thanks alot, gort, i found what i was lookin for but it was about $100. Ill keep lookin for somthing cheaper but who knows. I'll post pics if I...

10 Replies

3157 Views

Last post by demilus
Sun Jun 18, 2006 9:05 pm
Rifle fitting

Last post by Jakal444
Replies: 8
by Jakal444 » Sun Jun 18, 2006 10:14 am

First post

What do you guys think of using this this type of fitting as a chamber for combustion rifles.
The screws would be put into the top and the barrel...

Last post

Pimpmann I do understand that these fittings are probably not the best choice and I will be testing them using remote ignition first, however I have...

8 Replies

2805 Views

Last post by Jakal444
Sun Jun 18, 2006 6:08 pm
Rifle Valve

Last post by Atlantis
Replies: 5
by Atlantis » Sat Jun 17, 2006 10:18 pm

First post

In this concept, the bolt and valve are combined. When the trigger is pulled the sear releases the bolt and the spring pushes the bolt into the...

Last post

Maybe I could add a pneumatic cyllinder or something to the side and make a way for it to automatically move.

Idea: Have the air input in the back,...

5 Replies

1893 Views

Last post by Atlantis
Sun Jun 18, 2006 11:41 am
very portable cloud bbmg

Last post by beebs111
Replies: 15
by beebs111 » Wed Jun 14, 2006 7:17 pm
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hey,i had an ingenious idea!!!!! you know those backpack mounted squirt guns with pilot lights? well i made one, and i was thinking, maybe i could...

Last post

yeah, the wye is dwv, but its glued well and most dwv is safe to around 80 psi, which is what im using this for. i think you guys are confused as to...
15 Replies

3539 Views

Last post by beebs111
Sun Jun 18, 2006 7:27 am
Propane Tank Reserve

Last post by rna_duelers
Replies: 7
by Atlantis » Tue Jun 13, 2006 11:00 pm

First post

My friend's dad is going to give me his emtpy propane tank so I can have a prtable air source for when I make a pneumatic gun. I was wondering how...

Last post

And even if it is threaed back wards just cut the torch head short and thread it to 1/4 and then put you regulator on that.

7 Replies

1993 Views

Last post by rna_duelers
Sun Jun 18, 2006 6:38 am
Heffer K2 miny plans

Last post by )DEMON(
Replies: 6
by )DEMON( » Sat Jun 17, 2006 11:28 am

First post

(HK-Heffer K)

This is my design for a small portible 3pump shoot cannon.I have designed it so I can take it apart easily and so it can be used in...

Last post

Well, why don't you try both? I haven't had the chance yet and I think I will only be making this one.

6 Replies

1765 Views

Last post by )DEMON(
Sun Jun 18, 2006 6:00 am
Spark but no combusting....

Last post by boilingleadbath
Replies: 9
by Mihlrad » Fri Jun 16, 2006 1:19 pm

First post

I made a mini while i am unable to go to home depo, it has 2 electrodes in it, and when i press the button a spark is clearly formed between the tips...

Last post

Possibly try even less fuel?
Apparently, the spark can ignight a proper mixture, as it did when you removed the endcap.

9 Replies

2505 Views

Last post by boilingleadbath
Sat Jun 17, 2006 11:26 pm
Miny pistol pneumatic 2

Last post by Benny
Replies: 8
by )DEMON( » Sat Jun 17, 2006 2:53 am

First post

This is the changed design, I added some features, I am sure I can make a small supah valve to go in it.One question though,how do you get the supah...

Last post

Bugger. :D

8 Replies

2711 Views

Last post by Benny
Sat Jun 17, 2006 8:43 pm
Miny pistol pneumatic

Last post by taz22
Replies: 13
by )DEMON( » Fri Jun 16, 2006 11:22 am

First post

This is a small piston cannon that will be fun to shoot, it won't cost much and should be easy to make.You exughst the piston with a blowgun.
This is...

Last post

if you buy that bike pump thing, make shure you buy one with a 12gr cardrige. there are also some with 16 and more, but they are very expensive to...

13 Replies

4151 Views

Last post by taz22
Sat Jun 17, 2006 7:45 am
Gun Model

Last post by taz22
Replies: 13
by Atlantis » Fri Jun 16, 2006 7:14 pm

First post

I'm planning on making a paintball sniper rifle, I also want to build a model of a gun around it, out of wood most likely. I need suggestions on a...

Last post

lol, why don't you use the springfield ore m1.
ore that barret M stuff you could make them out of sheet metal.
i'm trying to make a thompson...

13 Replies

4222 Views

Last post by taz22
Sat Jun 17, 2006 7:38 am
How do i mount a BBQ sparker into a a chamber?

Last post by Benny
Replies: 11
by Mihlrad » Thu Jun 15, 2006 6:57 pm

First post

Ok, now i just took an attempt at building a combustion... long story short it just ended with me having my hairline cut back half an inch... (no im...

Last post

you can use a 2 inch chamber and a 1.5 iknch barrel.... but how long is your chamber/barrel?

11 Replies

2664 Views

Last post by Benny
Fri Jun 16, 2006 10:52 pm

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