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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

1562711 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

750818 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

408561 Views

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

Topics

rc boats killing eachother with phenumatic bb guns !

Last post by jrrdw
Replies: 15
by candyscustoms » Tue Apr 11, 2006 8:51 pm
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hay man's !

ive found the coolest hobby ever, ever ever - for about a week maby
a bunch of aussie hobby enthusie'ests have started builging exact...

Last post

I bought my radio system from ebay, it's a 7 channel Airtronics Vavgaurd 600G FM narrow banded, (built by Sanwa). 72 Megahertz on channel 38, (72.555...
15 Replies

9055 Views

Last post by jrrdw
Thu Apr 13, 2006 5:58 am
Question about a gun I'm making

Last post by boilingleadbath
Replies: 7
by MisterSteve124 » Tue Apr 11, 2006 4:03 pm

First post

I'm making a new cannon today and ill be using 3 pressure rated PVC for the chamber that will be about 3 feet long and a 2 4 foot long barrel. I...

Last post

Yes, pressure rated pipe will be marked DWV .
Why? Because, if you wanted to, you could use pressure rated pipe for drainage.

7 Replies

2638 Views

Last post by boilingleadbath
Wed Apr 12, 2006 11:24 pm
Punisher Valve help!?

Last post by unhipjuffowupp
Replies: 3
by unhipjuffowupp » Wed Apr 12, 2006 6:25 pm

First post

I just built a puinisher valve cannon... And it works.. But it doesnt hold air for too long. It leaks terribly. I found out that all the leaks are...

Last post

yea thats what im worried about... i already blew the diafram through the barrel once... so im afraid i might do that again... and then be screwed...

3 Replies

1952 Views

Last post by unhipjuffowupp
Wed Apr 12, 2006 8:49 pm
Barrel Fan

Last post by saladtossser
Replies: 4
by Atlantis » Tue Apr 11, 2006 6:28 pm

First post

Would'nt it be a lot easier to install a fan onto the barrel end of the chamber? Instead of opening the back to fuel and vent it, just vent/fuel...

Last post

it mixes the air with the fuel, thus giving you a more even and more powerful explosions, thus more power

4 Replies

1640 Views

Last post by saladtossser
Wed Apr 12, 2006 7:57 pm
Malfunctioning Sprinkler Valve

Last post by noname
Replies: 6
by noname » Tue Apr 11, 2006 10:55 am

First post

My sprinkler valve is not working. the solenoid and everything works but when i start pumping the gun up the air just flows out the barrel. I have...

Last post

it looks closed and i cant see anything
thanks

if it helps any, i've been trying to modify the valve with the blowgun idea but i don't have the...

6 Replies

2427 Views

Last post by noname
Wed Apr 12, 2006 11:55 am
Answers needed. Small pneumatic spudgun

Last post by spudato
Replies: 9
by spudato » Mon Apr 10, 2006 9:57 am

First post

Im new to all this but very interested. I would like to make a pneumatic spud gun.I want to make a small one,about 700mm long. I want it to fire...

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How do I work out the flow reates of valves and whats suitable ???

9 Replies

4782 Views

Last post by spudato
Wed Apr 12, 2006 8:54 am
Is a sprinkler valve worth it?

Last post by TalonXxX
Replies: 10
by -Matt- » Mon Apr 10, 2006 9:54 pm

First post

I was wondering if a 3/4 sprinkler valve would be right for my cannon. I'm currently using a ball valve. I have heard sprinkler valves open slowly....

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1 would give you better flow... I'd go with the 1

10 Replies

3974 Views

Last post by TalonXxX
Tue Apr 11, 2006 8:44 pm
Pressure Rated Fittings

Last post by evileye250
Replies: 6
by MisterSteve124 » Sun Apr 09, 2006 9:58 pm

First post

Do fittings have to be pressure rated? I bought some fittings and I can't find anything on them that says its pressure rated. So do fittings even...

Last post

AHHHHHH F! I made a pneumatic cannon and used a 90 NSF-DWV. I didnt know it wasnt pressure rated. My 3'' pvc said NSF-DWV and it said 260 psi. I had...

6 Replies

2735 Views

Last post by evileye250
Tue Apr 11, 2006 6:58 pm
ways to air out a cannons

Last post by noname
Replies: 28
by neilman88 » Sun Nov 06, 2005 10:51 pm
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does anyone know how to air out a cannon?

i know of the following

1)fan
2)breath

are there any others i can do with out poisioning myself? and are...

Last post

if u want a pneumatic fan ur stupid. just hook up the bike pump and pump it out
28 Replies

10998 Views

Last post by noname
Tue Apr 11, 2006 11:27 am
End Cap Fan

Last post by Ballad_Black
Replies: 2
by Ballad_Black » Tue Apr 11, 2006 12:03 am

First post

I recently came across a small PC fan, little over an inch tall, and about a quarter inch thick. I rigged it up to where the fan and all the...

Last post

Well, the cannon was built with a 12 inch chamber and 4 foot barrel. I did'nt see this little one inch fan doing an amazing fume job. I just un cap...

2 Replies

1300 Views

Last post by Ballad_Black
Tue Apr 11, 2006 7:02 am
chamber

Last post by )DEMON(
Replies: 2
by )DEMON( » Mon Apr 10, 2006 8:20 am

First post

my chamber is a 500 mm long piece of 75mm pvc with an end cap on each side, what is the pressure rating for it? (in psi or kpa please)

i am just...

Last post

well it is better than not knowing ,thanks

2 Replies

1388 Views

Last post by )DEMON(
Tue Apr 11, 2006 12:55 am
mini pneumatic marble shooter

Last post by saladtossser
Replies: 8
by evileye250 » Thu Mar 16, 2006 2:48 pm

First post

i was thinking of buying one of these tire inflators and just screwing on a schrader valve with no valve so its just open and the other end in pvc....

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but how much and how fast, that my friend, is the question.

8 Replies

8003 Views

Last post by saladtossser
Mon Apr 10, 2006 11:41 pm
trigger safetly pin and nail holder

Last post by saladtossser
Replies: 2
by saladtossser » Mon Apr 10, 2006 4:06 pm

First post

damn the holder looks cool, it spins and only one can come out at one time.

Last post

Very professional though.
my opinion? my ass! i drilled all the holes without measuring, but when i was done you cant tell that i didnt plan crap....

2 Replies

1337 Views

Last post by saladtossser
Mon Apr 10, 2006 8:01 pm
What proppelent do you use?

Last post by demilus
Replies: 59
by guitarfreak » Sat Sep 24, 2005 11:58 pm
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i use lynx deodorant mainly,i have tried butane,but its too expensive here in new zealand. post what brand you use if you vote deodorant of hairspray...

Last post

OFF!!! the bug spray! it has to be in the aerosol can tho. This stuff works great! I put sum in a mini launcher i made and it worked realy powerfully...
59 Replies

25619 Views

Last post by demilus
Mon Apr 10, 2006 4:07 pm
some 1 help the newby

Last post by Andrew52
Replies: 7
by oorambo » Tue Jul 19, 2005 5:19 pm

First post

yo yo im really interested in cannons cut it short i just need directions how to make somert simple so i can progress from there any thing would help...

Last post

what kinda of pressure are you going to be dealing with if its under 125 stick with the larger propane tank but if ur a man in the high pressure biz...

7 Replies

3114 Views

Last post by Andrew52
Mon Apr 10, 2006 11:38 am
Tape

Last post by Andrew52
Replies: 11
by neilman88 » Thu Mar 30, 2006 12:11 pm

First post

duct tape is one thing for a spudgun i cant live without! u can make tighter fit with bullets, i cant make any ammo with out tape! and i have none so...

Last post

if its 3/4 cpvc but if u use a little wadding i think 3/4 sch 40 will work

11 Replies

4260 Views

Last post by Andrew52
Mon Apr 10, 2006 11:11 am
Need some direction

Last post by )DEMON(
Replies: 3
by aga10677 » Sun Apr 09, 2006 7:36 pm

First post

Im about to build my first spud cannon and Im recieving an 8 gallen propane tank that has a valve that blows if the pressure exceeds 320psi, the kind...

Last post

you musnt double post just edit or you will get ranted at by admisistrators

3 Replies

9042 Views

Last post by )DEMON(
Mon Apr 10, 2006 9:57 am
PVC Heaven

Last post by )DEMON(
Replies: 5
by SteamRoller » Sun Apr 09, 2006 10:09 pm

First post

Me and my buddy went to the construction site for a skating rink that's being built here. We asked if they had any PVC they where going to junk, boy...

Last post

pvc can cost if you only get R100 a month( Rand to $ is about R6-$1)

5 Replies

2751 Views

Last post by )DEMON(
Mon Apr 10, 2006 9:55 am
1.5" Piston

Last post by MisterSteve124
Replies: 9
by Atlantis » Sat Apr 08, 2006 10:18 pm

First post

What's a good material to make a 1.5 piston out of? Yes i've done some research and all that turned up was wax on I'm going to be using this in a...

Last post

i just bought a cap for 1.5 inch PVC today at home depot. I'm using it to block out the air from going to my handle.

9 Replies

3469 Views

Last post by MisterSteve124
Sun Apr 09, 2006 9:29 pm
camera ignition

Last post by FiveseveN
Replies: 13
by dragon finder » Mon Mar 27, 2006 6:53 pm

First post

Ok so I got a diposibal camera today and I want to know how to mod it to use it in a cannon.

I have to wind the blue thing to arm the flash after I...

Last post

The electrodes will fail soon and the switch may weld itself shut. You have to understand you're dealing with a dynamic system here. All parts need...

13 Replies

4840 Views

Last post by FiveseveN
Sun Apr 09, 2006 3:19 pm
Pneumatic Layout

Last post by )DEMON(
Replies: 8
by Atlantis » Sat Apr 08, 2006 6:54 pm

First post

I was wondering if anybody else thought this was a good idea. Take Galfisk's ball valve piston mod and FiveSeven's ball valve loader and combine...

Last post

the plastic ball valves that i get over here wouldnt work for any kind of automatic use, im sure you would have to fabricate your own ball valve for...

8 Replies

5984 Views

Last post by )DEMON(
Sun Apr 09, 2006 2:33 pm
Propane and Stun gun

Last post by Shrimphead
Replies: 3
by Shrimphead » Wed Apr 05, 2006 4:56 pm

First post

Three Questions:
1.How much it would cost to build a direct propane injection system?
2.I've seen stun gun plans before, can anyone post a diagram or...

Last post

Does it work as well without a regulator? My problem is that I don't really understand how a normal propane injection system is setup. I've...

3 Replies

1249 Views

Last post by Shrimphead
Sat Apr 08, 2006 10:39 pm
Sparkplug ignition

Last post by jrrdw
Replies: 2
by rna_duelers » Sat Apr 08, 2006 6:37 am

First post

Just wondering if anyone could tell me the tap size for a 125cc lawnmover sparklpug :?: i plan to use it on my hybrid.Any help would be good....

Last post

It depends on if it has over head valves or not, i sagest a Champion CJ7Y, they are for weedeaters/chainsaws, small but make a hot spark, set your...

2 Replies

1619 Views

Last post by jrrdw
Sat Apr 08, 2006 4:27 pm
hybrid and punumatics?! and bike pump

Last post by Shrimphead
Replies: 15
by zeigs spud » Thu Apr 06, 2006 9:28 pm
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whats the difrence between the hybrid and punumatic and which ever uses air compression how could u use a bik pump? :D

Last post

I think he was being sarcastic about how everything costs 4.99 or .99 or. 2.99
15 Replies

4682 Views

Last post by Shrimphead
Sat Apr 08, 2006 12:49 pm
18 foot long barrel

Last post by schmanman
Replies: 2
by schmanman » Sat Apr 08, 2006 12:04 pm

First post

I've got a pnumatic with a 18' long, 4 diameter barrel.I want to hear about your biggest cannon, or the biggest barrel you've got. Let me hear ya,...

Last post

yes, I do.I have to update them,because they are of it before I cut off the two 4 diameter,5 long chambers and replaced them with two 5' long, 6...

2 Replies

3439 Views

Last post by schmanman
Sat Apr 08, 2006 12:38 pm

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