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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

1564198 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

751274 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

408828 Views

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

Topics

what is a sst ignition system?

Last post by FiveseveN
Replies: 5
by djt » Sun May 07, 2006 3:17 pm

First post

i saw some nicer lighters at the store today and some had electro quartz igniton and others had sst ignition. im guessing electro quartz is piezo but...

Last post

Yup, my googling skills have let me down. Could someone ask around or something? This sounds very promising.

5 Replies

2912 Views

Last post by FiveseveN
Tue May 09, 2006 4:00 am
About ABS pipe

Last post by Shrimphead
Replies: 10
by RavenGuard » Sun May 07, 2006 9:00 am

First post

Does anybody know if ABS pipe is safe to the same pressures as PVC? From the look and feel of it, it seems much more sturdy. If anyone can let me...

Last post

Ya just get them off of mcmaster. I searched for sooooo long trying to find 3 o-rings locally and it took me 10 minutes to find them at mcmaster....

10 Replies

2766 Views

Last post by Shrimphead
Mon May 08, 2006 3:58 pm
What to do with the Supah Valve?

Last post by rna_duelers
Replies: 6
by WV-Hick » Sat May 06, 2006 1:55 pm

First post

I am selling all of my paintball gear that I never use to buy a Supah Valve from Joel. I am considering making a replica of his SP93XX, as it is very...

Last post

Well if you dont want it to go out of sight so quickly,use less pressure simple and any bet it will work..lol..Just go interchangeable barrels.

6 Replies

3076 Views

Last post by rna_duelers
Mon May 08, 2006 6:46 am
Auto Barrel Sealing Piston

Last post by Atlantis
Replies: 8
by Atlantis » Thu May 04, 2006 6:29 pm

First post

This is built as a standard barrel sealing valve and may be able to mod onto existing barrel sealing cannons. A spring holds the piston against the...

Last post

I see, I could just put a pop-off valve.

8 Replies

2770 Views

Last post by Atlantis
Sun May 07, 2006 12:42 pm
co2 12g

Last post by SpudStuff
Replies: 3
by iamthewalrus » Wed Jun 29, 2005 1:59 pm

First post

does anyone know, what is the volume of the inside of a 12g?? like in cubic inches

Last post

i would guess 2-3 cubic inches but spudshot is right empty it cut off the top then fill it with water then measure the water

3 Replies

1721 Views

Last post by SpudStuff
Sun May 07, 2006 10:38 am
blowgun question

Last post by Benny
Replies: 3
by Darkside 6ix » Fri May 05, 2006 4:27 pm

First post

hey this is my second forum. my first is about valves see valve thingy
im trien to make a painball gun AKA marble gun and if any one is generous...

Last post

haha nice avatar, even tho i like star wars. :lol:

3 Replies

1694 Views

Last post by Benny
Sun May 07, 2006 12:09 am
Cant find the rainbird valves

Last post by Benny
Replies: 6
by jerb » Thu May 04, 2006 11:55 pm

First post

I went shopping for PVC fittings for a new gun today (I'm going camping this weekend and wanted something fun to play with)

I first went to home...

Last post

sillicone is s*** for cannons. :D unless your just sealing around the shauder valve.

6 Replies

2443 Views

Last post by Benny
Sun May 07, 2006 12:06 am
psi

Last post by Benny
Replies: 29
by x.X.Cpt.Rollhart.X.x » Sun Apr 30, 2006 7:14 pm
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How many psi for this ?

Air Chamber made with PVC. 2 copper valve.

Last post

is dwv rated to 12 to 14 psi? oh crap :oops: i tokk it up to 100 psi , AND I STILL SAY ITS SAFE.
29 Replies

9164 Views

Last post by Benny
Sat May 06, 2006 11:46 pm
Parts from UK

Last post by Benny
Replies: 4
by pyroboy » Wed Apr 19, 2006 5:22 am

First post

Hey are there any members who have made a cannon and bought there parts from the UK. I am looking into making a basic combustion cannon. Its the one...

Last post

also if you buy off mc master buy anything else you need as well because they will put it in the same package, and you will save money, ebay might...

4 Replies

1582 Views

Last post by Benny
Sat May 06, 2006 11:40 pm
Questions for an Airsoft pneumatic...

Last post by Benny
Replies: 10
by D-Roc » Fri May 05, 2006 8:19 pm

First post

I am planning to build an pneumatic Airsoft long range sniper rifle for my next cannon. But I have some questions to ask...

1) What barrel is best...

Last post

get some brass tubing from a hobby shop and sleev it in 1/2 or 1/4 with lots of tape. :wink:

10 Replies

4407 Views

Last post by Benny
Sat May 06, 2006 11:32 pm
Electronic Rain Bird Solenoid Problems! Help!

Last post by Benny
Replies: 9
by tguass04 » Sat May 06, 2006 10:49 am

First post

I have recently attempted to use the typical Rain Bird Valve in my pneumatic cannon and use the solenoid to control flow. I can get the solenoid to...

Last post

only 45? you can go much higher pressure than that.

9 Replies

4235 Views

Last post by Benny
Sat May 06, 2006 11:16 pm
SPAM

Last post by jrrdw
Replies: 3
by pneumaNINJA » Thu May 04, 2006 7:19 pm

First post

I didn't start the thread :( WTF

and, the title was not SPAM before, somebody just felt like compromising my intelligence.

Last post

Yea really, why use SPAM as a title. Were you hungry for caned meat when you posted? or deleteing junk email?

3 Replies

1819 Views

Last post by jrrdw
Fri May 05, 2006 6:56 pm
Projectile Motion

Last post by saladtossser
Replies: 8
by SpudStuff » Thu May 04, 2006 6:00 pm

First post

I found this today. Darn virginians have too many guns and too much time on thier hands. Its pretty streight forward so Click Here

Last post

same problem
xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx...

8 Replies

3432 Views

Last post by saladtossser
Thu May 04, 2006 11:35 pm
valve thingy

Last post by SpudStuff
Replies: 4
by Darkside 6ix » Thu May 04, 2006 9:46 pm

First post

im kinda new to makin spud guns. ive made 1 and 1 only and it sucks.
im tryin to make a home made paintball gun and i need to find a really good...

Last post

or just check the how to at this link

4 Replies

1815 Views

Last post by SpudStuff
Thu May 04, 2006 10:25 pm
How does this cannon work?

Last post by D-Roc
Replies: 4
by shockwave » Thu May 04, 2006 2:27 pm

First post

I understand how barrel closing piston valve works, but what about this one? Can someone post a diagram? Couse I haven't been able to find any info...

Last post

Thanks for that diagram saladtosser.

4 Replies

2106 Views

Last post by D-Roc
Thu May 04, 2006 9:24 pm
4.5mm (.177 cal) pipe

Last post by Andrew52
Replies: 7
by Cole » Thu Jun 30, 2005 2:24 pm

First post

Anyone know where I can get some straight bb barrel pipe. I want it to be perfect, 1/4 brakeline is ok but I would rather have the fit be perfect.

Last post

put my barrel in my strafer

7 Replies

2798 Views

Last post by Andrew52
Thu May 04, 2006 5:56 pm
Pneumatic Auto Possibility

Last post by Atlantis
Replies: 7
by Atlantis » Sun Apr 30, 2006 12:15 am

First post

In this design, there is a piston with a kind of pin valve, when it is pushed in air can flow through it. Normally the piston keeps the air in the...

Last post

Thanks for the compliments. I think I came up with another idea, I'll post it later If I can draw it up. It's a simpler version of this.

7 Replies

2956 Views

Last post by Atlantis
Thu May 04, 2006 10:57 am
Leaking burst disk

Last post by rna_duelers
Replies: 5
by WOW!! » Sun Apr 30, 2006 6:44 pm

First post

I made my mini hybrid and everything works execpt that the union keeps leakeing past the seat of the disk, i have tried everything and nothin worked....

Last post

A small ring of silicon?You would have to wait for it to dry and remove the excess after each shot,might work but it would suck...

5 Replies

1600 Views

Last post by rna_duelers
Thu May 04, 2006 5:43 am
Penetration testing photos thread

Last post by Infernal Maveric
Replies: 2
by shockwave » Wed May 03, 2006 12:29 pm

First post

Ok, this is meant to be a thread where ppl can post photos of things they shot with their cannons. I'm particulary thinking of coins as a testing...

Last post

Projectile: 16mm battery (AA)
Gun:
Preasure: 125PSI
Velocity??
Test conditions: Oak floorboards at the back of my garden. Shat ot from about 20 feet

2 Replies

1361 Views

Last post by Infernal Maveric
Wed May 03, 2006 3:31 pm
Paintball tank # of shots.

Last post by toober
Replies: 5
by Cole » Tue May 31, 2005 6:01 pm

First post

How many shots could I get out of a paintball tank and say a 3x12 foot chamber at 100psi.

Last post

what kind of paintball tank we talking? i have a 91cu/45000 psi hpa tank or there are the 9/12/16/20 ounce co2 tanks,then you have your scuba, and...

5 Replies

6314 Views

Last post by toober
Wed May 03, 2006 3:29 pm
My new simple copper marble gun

Last post by shockwave
Replies: 7
by shockwave » Tue May 02, 2006 8:53 am

First post

After messing with PP plastic I finaly desided to go for copper pipes instead (PVC is quite uncommon here). I used 40 mm long, 28mm diameter pipe for...

Last post

man it scary shit to shoot plastic pens at a wall... one bounced off two walls in a corner and allmost hit me :roll:

7 Replies

4781 Views

Last post by shockwave
Wed May 03, 2006 9:24 am
mini piston cannon

Last post by Benny
Replies: 11
by jack_the_hack » Tue Jan 24, 2006 12:16 am

First post

:P I finally built my first mini cannon! :P
its pretty cool and um if this isnt in the right forum im sorry i new and this is the first cannon i...

Last post

also they use stefans are what some poeple make instead of nerf gun darts, because there more accurate, and powerful, but your kindof right :D

11 Replies

4741 Views

Last post by Benny
Wed May 03, 2006 5:26 am
piston question

Last post by Benny
Replies: 3
by Andrew52 » Tue May 02, 2006 10:12 pm

First post

i made A piston out of two milkjug capa a bolt a nut some 3/4 pvc and some rubber it will be a barrel sealing piston and i dont have all te fittings...

Last post

it should work, but i had problems with the rubber sealing, i had enough pvc lying to make 2 barrel sealing valves. :D

3 Replies

1297 Views

Last post by Benny
Wed May 03, 2006 5:12 am
question

Last post by Benny
Replies: 3
by Benny » Mon May 01, 2006 6:05 am

First post

can you suggest two pipe sises that sleev into each other nicely, below 1.5 inch, with little or no friction. but dont say sch80 and golf ball barrel...

Last post

nevermind, i found two pipes that fit PERFECTLY, 1 inch, and 32mm electrical conduit.

3 Replies

1508 Views

Last post by Benny
Wed May 03, 2006 4:10 am
Why two compression chambers?

Last post by boilingleadbath
Replies: 4
by jerb » Tue May 02, 2006 2:21 pm

First post

I've been looking around here and have found a number of guns that feature two compression chambers. I understand that this increases the volume of...

Last post

You could lengthen the barrel, but that's not really relevent to the question.

The real reason is that there is less pressure loss during the firing...

4 Replies

2150 Views

Last post by boilingleadbath
Tue May 02, 2006 6:54 pm

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