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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

651550 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

384684 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

200462 Views

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

Topics

Spud Stuff Forum

Last post by sgort87
Replies: 5
by SpudStuff » Sat May 20, 2006 12:34 am

First post

Click here

Also Click Here Too

Last post

BCVids hasn't even taken off well and that's actually useful and has been around for quite a while. I wouldn't bother trying to get a forum off the...

5 Replies

2123 Views

Last post by sgort87
Sat May 20, 2006 5:00 pm
Long Barrels

Last post by sgort87
Replies: 2
by SpudStuff » Sat May 20, 2006 10:45 am

First post

I guess you don't know that longer barrels won't make the ammo go farther or faster infact it makes it go shorter and slower due to the ammo has to...

Last post

Long barrels are not good for an aerosol cannon but are for any others. You have probably only experimented with guns with bad mixture or something...

2 Replies

1249 Views

Last post by sgort87
Sat May 20, 2006 4:51 pm
What pressure can a lawn srinkler valve Take?

Last post by yuandrew
Replies: 4
by Teucer » Tue Jun 14, 2005 9:33 am

First post

I have made a couple of cannons so far, but iam planing to make a new one that it actually planned out. If anyone can fill me in on pressure ratings...

Last post

Most residential valves are rated 125 psi. Rain Bird has some that can do 150.

If you can find the heavy duty brass commercial inline valves, those...

4 Replies

3203 Views

Last post by yuandrew
Sat May 20, 2006 4:44 pm
help with airsoft gun

Last post by yuandrew
Replies: 5
by djt » Thu May 18, 2006 9:07 pm

First post

recently i have taken interest in airsoft guns and have built a few out of nerf guns that hurt really bad. what i am looking to do now is make a long...

Last post

More like these

5 Replies

2719 Views

Last post by yuandrew
Sat May 20, 2006 4:21 pm
Chamber Sleeving

Last post by SpudStuff
Replies: 4
by cannon freak » Thu May 18, 2006 7:54 pm

First post

If you were to sleeve your combustion chamber would it increase the strength of the over all gun, without taking into consideration fittings ect...

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The pipe that I am using is normal schedual 40 PVC and what if you were to solvent weld it to the other pipe, assuming it could be put in fast enough...

4 Replies

1352 Views

Last post by SpudStuff
Sat May 20, 2006 10:41 am
Help plz

Last post by CS
Replies: 5
by QuadtripleH » Wed May 17, 2006 8:32 am

First post

Hey im new to spud gunning and i want 2 make an inexpensive spud gun 2 shoot around can any1 plz help me with this i really need sum blueprints or...

Last post

This is where the under-rated Spudwiki comes in.

After veiwing the COMBUSTION PAGE we know we need the following
-Fuel system
-Combustion chamber...

5 Replies

2146 Views

Last post by CS
Sat May 20, 2006 10:31 am
Having trouble with disposable camera ignition

Last post by alex bennett
Replies: 12
by teledu » Tue May 16, 2006 12:48 pm

First post

Ok guys I’m trying to make an ignition source of a disposable camera, and am really unsure of what to do. Many guides are saying different things so...

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i use electrical tape to hold my battery in , i also use a C size battery, it dosent make a difference, because the cap can only hold so much, but...

12 Replies

4426 Views

Last post by alex bennett
Sat May 20, 2006 10:15 am
First Spud-Gun

Last post by Benny
Replies: 6
by Debaser » Wed May 17, 2006 9:38 pm

First post

Hello all, I am making my first pneumatic spud-gun for a physics project, and I am in dire need of some advice. I have chosen a golf ball for my...

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that reminds me, we were doing a science thing when i was in grade six, and the teacher overheard me talking to my friends about it, so she asked me...

6 Replies

2187 Views

Last post by Benny
Sat May 20, 2006 2:57 am
Video

Last post by sgort87
Replies: 12
by WOW!! » Thu May 18, 2006 8:50 pm

First post

Here is a video i made with my poatao gun.
Click here to watch 'Boom-BOOM-80-67'

Last post

I used to say prettymuch the same thing you are saying WOW and then I had my launcher fail on me and throw a 3/8 ball valve, tee, and elbow back...

12 Replies

3166 Views

Last post by sgort87
Fri May 19, 2006 10:04 pm
Powerful combustion mini?

Last post by Benny
Replies: 7
by D-Roc » Thu May 18, 2006 10:05 pm

First post

Is it possible to hit 100+ feet with a combustion mini? Is it safe to use a stungun and propane for igniting a mini? Or maybe somehow pump 500PSI in...

Last post

yes it will hold 500 psi, if you put 500 pounds on stainless steel pipe, will it break,or bend? no it wont, but you need to see what pressure the...

7 Replies

2052 Views

Last post by Benny
Fri May 19, 2006 9:32 pm
Pneumatic Jackhammer

Last post by WOW!!
Replies: 8
by Atlantis » Mon May 08, 2006 12:01 pm

First post

Does anyone know how pneumatic jackhammers work? I've tried looking it up, but I always get the missile. I'm thinking a jackhammer's design could be...

Last post

I can get 1, They come in all sizes and CFM. Meabey rent one or something like that. My dad might have one at his work. The hardest thing is to get...

8 Replies

3474 Views

Last post by WOW!!
Fri May 19, 2006 4:25 pm
new nerf gun

Last post by douganface
Replies: 6
by Darkside 6ix » Wed May 17, 2006 8:02 pm

First post

haha this is ingenious( my opinion ) i was playing with one of thous nerf suction cup shooters and i tought that i could make a bb shooter. so what...

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btw get a water gun at the dollar store. cut off the tip of that and connect the hose to a barrel. then just pump up air. it works way better than a...

6 Replies

2598 Views

Last post by douganface
Fri May 19, 2006 2:25 pm
2" Orbit Valve - Modification for Pneumatic not working

Last post by SpudStuff
Replies: 18
by 357Wood » Sat May 13, 2006 9:45 pm
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Need some help here. I've taken a 2 Orbit sprinkler valve and modified it for pneumatic triggering with a blow gun. I've taken out the flow control...

Last post

if all else fails put it in the box and take it back. say it had holes drilled in it and was dissasembled. you would like a new one
18 Replies

6728 Views

Last post by SpudStuff
Thu May 18, 2006 10:37 pm
new pneumatic

Last post by Shrimphead
Replies: 5
by ProfessorAmadeus » Wed May 17, 2006 9:10 pm

First post

im have a new marble pneumatic cannon and was wondering how much PSI can you pump into Sch40 Pvc safely? . my dad is a saftey freak and needs proof...

Last post

I am surprised at some of the people's ignorant answers. The pressure rating of pvc depends on the diameter of the pipe and the manufacturer. I've...

5 Replies

1696 Views

Last post by Shrimphead
Thu May 18, 2006 7:38 pm
300 meters rifled 4,5mm combustion rifle

Last post by Rambo
Replies: 2
by Holland_Charley » Thu May 18, 2006 11:44 am

First post

After my GCR rifle was kinda suces but unfortunaly very unacurate i want to build a presicion rifle.

see for my GCR

Now my new idea is a...

Last post

The thing that you are planing will be much weaker and will reload much slower the the original rifle.The power comes with the diametar of the...

2 Replies

1664 Views

Last post by Rambo
Thu May 18, 2006 3:55 pm
hybrids

Last post by sgort87
Replies: 3
by potatoboy00 » Wed May 17, 2006 1:01 am

First post

ok this is probbally a stupid question but with a hybrid say a 2x mix do u have to meke the barrell bigger to compensate for the power
just wondering...

Last post

Actually the barrel length should be significantly longer for better efficiency though I am not sure on the rdesirable ratio. And yes, highly...

3 Replies

1698 Views

Last post by sgort87
Wed May 17, 2006 11:01 pm
Wiring a stungun

Last post by sgort87
Replies: 6
by potatoboy00 » Wed May 17, 2006 1:17 am

First post

I see how all of the people that have hybrids have a long cord that has a button that ignites the gun. I am trying to do that with my stun gun...

Last post

How about you remove the circuit from the stun gun and eliminate a switch and put a new one in place of the second?

Or I could make a good ignition...

6 Replies

2196 Views

Last post by sgort87
Wed May 17, 2006 10:06 pm
Pneumatic Cartridge

Last post by Atlantis
Replies: 11
by Atlantis » Tue May 16, 2006 7:01 pm

First post

I've noticed that all these ideas involving cartridges have been popping up. I came up with an idea how to make reusable pneumatic cartridges without...

Last post

If you deleted this I'd appreciate it. I'm trying to come up with a way to make pneumatic cartridges that don't waste tire valves. Maybe have a...

11 Replies

4811 Views

Last post by Atlantis
Wed May 17, 2006 7:52 pm
Could a Pneumatic Be more powerfull Than A Hybrid

Last post by boilingleadbath
Replies: 3
by cannon freak » Wed May 17, 2006 3:36 pm

First post

Is it possible that a pneumatic cannon could be more powerfull after a certain point. What I mean is that if you were to make a very large hybrid out...

Last post

Well, a propane-air hybrid can only operate a 9x (generating, what, 700psi?) mix at most (beyond that, the propane liquifies), but you could always...

3 Replies

1620 Views

Last post by boilingleadbath
Wed May 17, 2006 5:13 pm
3/4" Pipe.

Last post by Atlantis
Replies: 2
by Atlantis » Tue May 16, 2006 8:56 pm

First post

Would potatoes work in a 3/4 barrel?
For paintballs, would 3/4 CPVC fit in normal PVC couplers?
What pipe would make a good bolt in 3/4 CPVC.
Also,...

Last post

Thank you for the helpful information, would 32mm electrical conduit be in the elctrical section of a harware store next to the SDR?

2 Replies

1167 Views

Last post by Atlantis
Wed May 17, 2006 12:27 pm
why use pvc piping

Last post by Abrams
Replies: 10
by mcheesey » Mon May 15, 2006 3:51 pm

First post

why does every one u pvc piping?why not steel? or somehting else?

Last post

@spudshot:

there are big difference between brittleness and pressure overcoming.......as cast iron can withstand much bigger pressures than...

10 Replies

3370 Views

Last post by Abrams
Wed May 17, 2006 12:20 pm
semi auto combustion

Last post by Rambo
Replies: 8
by taranathicus » Tue May 16, 2006 5:04 pm

First post

I want to make a semi and eventually fully auto combustion spud gun, simply because its something i really havent seen before. from personal...

Last post

My coke bottle auto combustion starts to melt after 3-4 shots.

8 Replies

3063 Views

Last post by Rambo
Wed May 17, 2006 11:53 am
QEV gun question. I need opinions

Last post by Benny
Replies: 5
by Infernal Maveric » Tue May 16, 2006 3:23 pm

First post

I have just gotten 5 working 3/8 Detrol QEV's from eBay and was wondering...

Should I build a double barreld QEV gun. Using 2 QEV's linked together...

Last post

or you could make a really small cannon with a fast charging chamber so you could have semi auto.

5 Replies

1607 Views

Last post by Benny
Wed May 17, 2006 3:38 am
a pnuematic breech question

Last post by Benny
Replies: 4
by A-98 » Tue May 16, 2006 7:12 pm

First post

i want to make a breech for my 3/4 barrel on my over/under gun(i want to use normal ammo and burst-disk-marble ammo all in one barrel)

i was...

Last post

or look up the ghetto breach. :D

4 Replies

1681 Views

Last post by Benny
Wed May 17, 2006 3:27 am
equation

Last post by sgort87
Replies: 8
by mcheesey » Mon May 15, 2006 5:36 pm

First post

is there any equation i should use to find how big to make my chamber and barrel?

Last post

Actually his chamber volume would be 150 cubic inches. His barrel would then need to be 100 CI for the best performance. (according to the 1.5:1 Law...

8 Replies

3015 Views

Last post by sgort87
Wed May 17, 2006 12:53 am

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