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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

1570920 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

753312 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

410115 Views

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

Topics

Hybrid Precautions

Last post by mark.f
Replies: 8
by frogy » Mon Jul 24, 2006 12:48 pm

First post

If you mess up on a combustion or a pneumatic, you are out a few dollars. If you mess up on a hybrid, you are dead.

It's unlikely, but it can and...

Last post

That seems about accurate. ProMeter calculates in shockwave pressure from the flame front. 1x, (normal combustion), registers 102 PSI in ProMeter HX.

8 Replies

3566 Views

Last post by mark.f
Tue Jul 25, 2006 1:14 pm
20mm autoloader

Last post by Tostitos
Replies: 4
by Tostitos » Mon Jul 24, 2006 6:21 pm

First post

I drew out plans for an air and electrically powered minigun that would shoot foam bullets when I was eleven. Just sayin'. They wouldn't have worked,...

Last post

Here's my first obstacle: maintaining a metric fuck-ton of air into a rotating cylinder. If the barrels were spinning but the rest stood still, it...

4 Replies

6527 Views

Last post by Tostitos
Tue Jul 25, 2006 10:30 am
looking for a bit of help please

Last post by dan116
Replies: 4
by grum7n7 » Sun Jul 23, 2006 7:20 pm

First post

I have made many potato guns and that have all been combustion with hairspray. Now I want to make a combustion gun using propane. I have read up on...

Last post

Well, it's all up to you on what pressure you want it and the size of the meter. Also yes you can make an offboard meter, you can find two on...

4 Replies

2952 Views

Last post by dan116
Tue Jul 25, 2006 6:37 am
lighter as an ignightor???

Last post by pyrogeek
Replies: 11
by coolboarder58 » Sun Jul 09, 2006 11:02 pm

First post

ok well i just finished building my first potato gun. instead of a lantern sparker which seems to be used the most i drilled a hole in the plug on...

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well my mom wont let me get a stun gun so ill just get one at my dads house and take off the housing and say we built an ignightor with a capacitor...

11 Replies

3835 Views

Last post by pyrogeek
Tue Jul 25, 2006 12:20 am
Rubber shraders

Last post by M3NT4L
Replies: 8
by M3NT4L » Sun Jul 23, 2006 4:55 pm

First post

I am tryng to make a pneumatic canon and i asked a friend who is a mechanic to give me a schrader valve.... He gave me a schrader that is one of the...

Last post

:D Thank's for the info. Ill post some pics of my cannon, it is unfinished tho.

8 Replies

2693 Views

Last post by M3NT4L
Mon Jul 24, 2006 10:25 pm
Should i make a tutorial on how to solder copper pipe?

Last post by Anon
Replies: 20
by Mihlrad » Sun Jul 23, 2006 8:54 pm
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I recently learned from a plumber at a construction job im working on how to solder copper pipe and fittings and was wondering if you guys would like...

Last post

This would be a great tutorial as many probably do not know how to solder copper pipe. I only know because my dad does jack of all trades work and...
20 Replies

7597 Views

Last post by Anon
Mon Jul 24, 2006 9:06 pm
Chamber Length

Last post by SpudStuff
Replies: 2
by cannon freak » Mon Jul 24, 2006 11:43 am

First post

I have been thinking of my new combustion that I want to construct, it consists of dual chambers each 4 diameter with cleanout plugs at each end and...

Last post

gust wire them in series

2 Replies

2562 Views

Last post by SpudStuff
Mon Jul 24, 2006 5:52 pm
A good propellant..

Last post by plumpthumb
Replies: 10
by Danny.c » Mon Jul 24, 2006 10:35 am

First post

well iv 14 and im building my first gun, but aparently Some sport deoderant doesnt work anymore (i forgot that name)

and iv bin thinking what will i...

Last post

Find an inexpensive air freshener-I don't know about Ireland but here Glade is not too bad for cheap. If you feel flush Oust works great. Otherwise...

10 Replies

4070 Views

Last post by plumpthumb
Mon Jul 24, 2006 4:04 pm
Hybrid fan

Last post by cannon freak
Replies: 15
by WOW!! » Sun Jul 23, 2006 8:23 pm
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Iam building a Hybrid, 5' long and I need to put in a chamber fan in, the only thing is the chamber is 3 sch80 and I dont know if I should just put...

Last post

I might be wrong as well but from what I know of DDT its when a fuel mixture such as propane combusts and since it is under pressure it is much more...
15 Replies

2934 Views

Last post by cannon freak
Mon Jul 24, 2006 1:51 pm
Finding a certain cannon

Last post by CS
Replies: 12
by Atlantis » Wed Jul 19, 2006 9:01 pm

First post

I remeber seeing a pneumatic cannon on one of the forums here that I really liked, it had a stock made of like 15 fittings, about 3 fittings high....

Last post

??? Just was browsing the offical cannons today for some creative inspiration, but didnt get any this time. Damn, PC with all this time you spend NOT...

12 Replies

2526 Views

Last post by CS
Mon Jul 24, 2006 7:04 am
valve location

Last post by singularity
Replies: 12
by singularity » Sat Jul 22, 2006 10:57 pm

First post

im working on a pneumatic cannon and i dont know which would provide better pereformace. heere is a diagram i drew (sorry i cant crop it)

Last post

sorry i got confused when i saw your picture and fow you were talking about removing the valves

12 Replies

3161 Views

Last post by singularity
Sun Jul 23, 2006 10:57 pm
Breech Loading Barrel

Last post by pyrogeek
Replies: 17
by PCGUY » Sat Feb 26, 2005 11:59 pm
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First post

BREECH LOADING BARREL

Provided by Boogieman -

Breech loading is awesome, it is much faster to load. I think it took me about 40 seconds to load a...

Last post

Why are you turning the barrel down? Theres a store pretty close to where I live that sells all sorts of different sizes of those camlocks, so I just...
17 Replies

27330 Views

Last post by pyrogeek
Sun Jul 23, 2006 10:47 pm
different glues for different schedules

Last post by SpudStuff
Replies: 3
by dan116 » Sun Jul 23, 2006 8:23 pm

First post

I'm not that familar with pvc ( live in Canada) but I'm getting some schedule 80 pipe and fittings and wondering if you need a different type of glue...

Last post

no use the same glue and primer

3 Replies

1644 Views

Last post by SpudStuff
Sun Jul 23, 2006 8:37 pm
Quick method for refilling chambers

Last post by frankrede
Replies: 13
by Jakal444 » Mon Jan 30, 2006 4:27 pm

First post

Just after I finished my first combustion cannon ( a mini, please help me with it is in the 'submit combustion forums' ), I had an idea when it comes...

Last post

That is an interesting idea,but it is impractical. Things would take longer this way. It would be alot quicker with a ball valve.

13 Replies

5833 Views

Last post by frankrede
Sun Jul 23, 2006 7:33 pm
SIMPLE DELRIN BOLT

Last post by adtchuck
Replies: 7
by adtchuck » Fri Jul 14, 2006 5:44 pm

First post

Ok here is my idea for a simple delrin bolt for a semi auto *****(you fill in the blank) cannon. I was looking at all these paintball bolts that are...

Last post

OK, I like that, The peice of delrin would have to be larger, I tore apart a spider paint ball marker, and was looking at it, even though it has the...

7 Replies

3106 Views

Last post by adtchuck
Sun Jul 23, 2006 6:32 pm
somewhat new cobustion?

Last post by SpudStuff
Replies: 6
by haulinick » Sun Jul 23, 2006 2:19 pm

First post

I found an old combustion sitting in my garage that i made a long time ago. When i made it i could never get the damn thing to work. Its made out of...

Last post

that barrel is $5 that is not expensive. you can get it as a sptinkler riser.

6 Replies

1754 Views

Last post by SpudStuff
Sun Jul 23, 2006 6:27 pm
C:B ratio

Last post by Velocity
Replies: 9
by WOW!! » Thu Jul 13, 2006 7:38 am

First post

What is the optim(spelling) C:B ratio? I have been reading around and heard 1.5:1 is good. Is that right?

Last post

Yeah, Pimpmann is right

WOW!!, check out the part about ratios here:

The only part I disagree with is the maximum of a 4:1 ratio... in my...

9 Replies

3404 Views

Last post by Velocity
Sun Jul 23, 2006 4:09 pm
what does this mean?

Last post by ProfessorAmadeus
Replies: 12
by ProfessorAmadeus » Sat Jul 22, 2006 4:37 pm

First post

I found 6in pipe that is sch40 but its for well casting. If its useable i will give it to some one but you have to pay for shipping. Its in good...

Last post

Its one forth of an inch thick with a solid core. They are pretty small but i just thought that someone would want some 6in pipe without having to...

12 Replies

3141 Views

Last post by ProfessorAmadeus
Sun Jul 23, 2006 2:52 pm
Boiling pvc

Last post by Shrimphead
Replies: 19
by richardbridges » Wed Jul 19, 2006 6:51 pm
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How long should I boil 3 schedule 40 before it will be pliable enough to wrap around 2 ?

Last post

Could you do this to make flat sheets of ABS? Cause I have some 3 cellular core abs and I may have a use for some flat sheets soon. Of course this...
19 Replies

6316 Views

Last post by Shrimphead
Sun Jul 23, 2006 1:51 pm
Best Ratio

Last post by LucyInTheSky
Replies: 8
by Fight The Machine » Thu Aug 11, 2005 10:01 pm

First post

What is the best C:B ratio for massive, awesome power on a combustion spud gun? I'm talking super distance and knocking down trees powerful...

Last post

I wpuld say with a fixed barrel length then make the chamber as big as you want, But never shorten the barrel to get a higher ratio.

With a fixed...

8 Replies

4698 Views

Last post by LucyInTheSky
Sun Jul 23, 2006 10:36 am
Your most improvised cannon or gun

Last post by trae08
Replies: 2
by trae08 » Wed Jul 19, 2006 1:15 am

First post

Ok well i know we all have those days when we are just bored nothing else to do so u try to make somthing. Well whats the most improvised gun you've...

Last post

Well i took 3 pringles cans cut a hole in the bottom of 2 of them about the size of a golf ball. Then you tape them together but the can without a...

2 Replies

1489 Views

Last post by trae08
Sun Jul 23, 2006 2:25 am
how to make a Silencer

Last post by singularity
Replies: 19
by Mitchy » Wed Jul 12, 2006 2:42 am
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Does anyone know how to make a silencer for a pueumatic marble gun.

Last post

i think the friction from the projectile is what shot off my barrel
19 Replies

9394 Views

Last post by singularity
Sat Jul 22, 2006 11:32 pm
How To: Ghetto Rigged Dart.

Last post by CS
Replies: 16
by chubster » Fri Jul 21, 2006 6:20 pm
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First post

NOTE: This dart could probably only be used in 1/4 or 3/8 barrels, and I WOULD NOT recommend shooting it at anyone. However, it is fun for target...

Last post

Used?! Even if its your used condoms that is gross...
16 Replies

5563 Views

Last post by CS
Sat Jul 22, 2006 10:56 pm
Making some kind of shoulder mount...

Last post by Mihlrad
Replies: 4
by MaxImUmZ » Wed Apr 05, 2006 12:16 am

First post

Me and my friend recently made our first potato gun and were looking to mount it similar to a rocket launcher. I was wondering if anyone had done...

Last post

take a 4 pvc coupling or piece of pipe, cut it in half the long way and theres your mount, just glue it with epoxy to your cannon.

4 Replies

2431 Views

Last post by Mihlrad
Sat Jul 22, 2006 10:01 pm
Electrolysis 2 liter bottle

Last post by Daemonseed
Replies: 17
by M3NT4L » Thu Jul 20, 2006 1:15 am
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My mom recently found my 6th grade science project board on electrolysis. Please correct me if im wrong but it is a prosses in witch water is mixed...

Last post

Another idea to consider, go to home depot, buy some calcium carbonate, fill your barrel 1/6 of the way full of water, drop in about 6 of the calcium...
17 Replies

8848 Views

Last post by Daemonseed
Sat Jul 22, 2006 9:15 pm

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