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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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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

954970 Views

Last post by quinn whitsitt
Fri Feb 09, 2024 2:38 pm
PVC Pipe Info

Last post by PCGUY

by PCGUY » Wed Oct 09, 2013 1:38 pm

PVC Pipe Info

PVC is used by plumbers, pool installers, and so on, and local building and construction regulations set the safety and materials...

0 Replies

62996 Views

Last post by PCGUY
Wed Oct 09, 2013 1:38 pm
The Offcial Machinist Thread: Revised 01/04/2014

Last post by Yexinss
Replies: 1097
by jrrdw » Tue Aug 02, 2011 5:54 am
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This is where members who need help getting machining done to their spudgun parts. There will be some guide lines and they are as follows:...

Last post

As my title described, 2k for modifying Daytona Recoil system to shoot Nerf darts. Full mechanical no wires no battery only HPA. If you can machine...
1097 Replies

828573 Views

Last post by Yexinss
Wed Aug 25, 2021 12:22 pm
Good Deals Thread

Last post by PaperNinja
Replies: 41
by clemsonguy1125 » Wed Aug 11, 2010 8:01 pm
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I keep seeing good deals on ebay for cheap parts that would be great for spud guns but not the kind I build. I figured it would be a good idea to...

Last post

$550 4500psi compressor
41 Replies

198019 Views

Last post by PaperNinja
Wed Dec 05, 2012 7:08 pm
Launcher Failure Analysis Log

Last post by SEAKING9006
Replies: 32
by Velocity » Sun Apr 15, 2007 11:28 am
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The idea behind this thread was taken directly from a sticky on the Spudtech forums, seen at I, along with several other members, believe that this...

Last post

I never made my inside out sleeve valve because I didn't know how to use o-ring, most important of all don't try gluing them in place, second if its...
32 Replies

223370 Views

Last post by SEAKING9006
Fri Jun 27, 2008 8:11 pm
Golf Ball Barrel FAQ

Last post by K8TOW
Replies: 34
by squeaks » Wed Jan 24, 2007 6:42 pm
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Okay, so one of the most asked about barrel is the golf ball barrel. Here are some frequently asked questions(and some unfrequent ones too).

Q: Why...

Last post

I use pvc plugs and caps
34 Replies

317762 Views

Last post by K8TOW
Thu Mar 16, 2023 5:22 am
Ammo Ideas

Last post by quinn whitsitt
Replies: 359
by PCGUY » Tue Apr 04, 2006 10:48 am
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First post

Ammo

I have put together a few ammo ideas for different size barrels. All pipe is PVC unless otherwise stated. If you think any ammo ideas should...

Last post

help sorry i typed to fast
359 Replies

5185422 Views

Last post by quinn whitsitt
Thu Feb 15, 2024 11:44 am

Topics

Buying a Tap/die set

Last post by john bunsenburner
Replies: 26
by VH_man » Sat Dec 13, 2008 10:50 am
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First post

Well, I have realized, VERY quickly that having a set of taps/Dies around is a great thing for an engineer like me. So, I have been looking around,...

Last post

Ok thank you Gippeto, ill se if there is any where here i can get taps and dies for less than 200$ a piece...
26 Replies

6723 Views

Last post by john bunsenburner
Tue Dec 16, 2008 1:34 am
Just want to be sure on cam locks before I order

Last post by JDP12
Replies: 5
by JDP12 » Mon Dec 15, 2008 9:38 am

First post

Hey all, I've given up on a 4 barrel sealing piston valve, mostly because no matter how many versions i've built, i could never get it to perform, so...

Last post

thanks Starman, I'll do that

5 Replies

1559 Views

Last post by JDP12
Mon Dec 15, 2008 6:40 pm
Fridge compressor help

Last post by Dave_424
Replies: 9
by Dave_424 » Sun Dec 14, 2008 11:23 am

First post

hey guys, I have decided to build a fridge compressor and have a few questions

1. Will a normal quick connect hold the pressures? I had thought it...

Last post

ok guys, sorry i might have seen the bottom of my pint glass too many times

Ok i get it, i will try to pick up a compressor from either some friends...

9 Replies

2581 Views

Last post by Dave_424
Sun Dec 14, 2008 5:56 pm
Swivel barrel unions, which is best poly, brass or other?

Last post by Eddbot
Replies: 2
by urbanfarm » Fri Dec 12, 2008 5:17 am

First post

Looking at a build that requires 2-3 swivel barrel unions between 1/2 to 3/4 threads operating at pressures 200psi max and I have a choice of...

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Yes, unless you have a regulator, PVC is out of the question.

If you are going with co2 find a reg ex. or make the chamber and union some kind of...

2 Replies

2126 Views

Last post by Eddbot
Fri Dec 12, 2008 10:40 am
Camera projectile

Last post by Daltonultra
Replies: 13
by Moonbogg » Tue Dec 09, 2008 3:09 am

First post

OK, so I have a little wireless camera for my RC helicopter that im thinking about stuffing inside a small model rocket and launching it out of my...

Last post

Again, if he's using the type of camera I pointed out, which is intended for model rockets and R/C planes, then I see no problem with using it in...

13 Replies

7262 Views

Last post by Daltonultra
Wed Dec 10, 2008 11:07 pm
Wicked thought for ammo

Last post by psycix
Replies: 2
by Moonbogg » Wed Dec 10, 2008 2:47 am

First post

OK, i'm probly not the first to think about this, but immagine using like a well sealed wooden or plastic peg as a wadding, and dropping an arrow...

Last post

Firing an arrow from a spudgun can be done and when done properly, the arrow will probably go faster then one fired with a bow.

2 Replies

1662 Views

Last post by psycix
Wed Dec 10, 2008 7:30 am
Ultimate spudgun ammo?!?!

Last post by psycix
Replies: 17
by ALIHISGREAT » Sat Dec 06, 2008 4:46 pm
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First post

possibly the best potatoe ever?

:D

Last post

how is a GUN classified as a medical device?!?!?
Research has shown that guns and explosives tend to work very well against tumors.
Though the side...
17 Replies

4457 Views

Last post by psycix
Mon Dec 08, 2008 2:42 pm
tennis balls

Last post by starman
Replies: 2
by FishBoy » Sat Dec 06, 2008 2:37 pm

First post

Just to clarify before I order-
2.5 sched 40 pvc (2.445 ID) is the least tight-fitting of the various TB barrel options correct?

(this will be for...

Last post

Especially with new, full of fuzz tennis balls....yes sched 40 2.5 is the barrel of choice for TBs.

2 Replies

1189 Views

Last post by starman
Sat Dec 06, 2008 3:30 pm
Carbon fiber heat resistance

Last post by Moonbogg
Replies: 4
by Moonbogg » Thu Dec 04, 2008 8:26 pm

First post

How do you think carbon fiber would do in a combustion chamber? I'm planning on using a thin strip of it for the backing of a spark strip. Would it...

Last post

Thanks for replies. I used PVC.

4 Replies

1903 Views

Last post by Moonbogg
Fri Dec 05, 2008 3:03 am
Golf ball Barrel

Last post by LCTChamp
Replies: 9
by LCTChamp » Sun Nov 30, 2008 7:04 pm

First post

Does anyone know where I can get a five foot long 1.5 sdr 21 golf ball barrel? I would order it from BCarms but I heard a roomer that he is gone. Is...

Last post

You obviously haven't been to West Virginia. :D :lol: I made a mistake, didn't notice, and was half asleep.

9 Replies

5084 Views

Last post by LCTChamp
Wed Dec 03, 2008 5:48 pm
will this 2 1/2" pvc work?

Last post by Tidbit77
Replies: 15
by zach12 » Thu Nov 27, 2008 10:12 pm
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Hey,
I found online that lowes sells 2 1/2 schudule 40.But it says 2 1/2 rigid schudule 40.heres a link. Will it work to shoot tennis balls?

Last post

i just got 10' of pressure rated sch 40 2.5 pipe and it is true that a regular tennis ball is a tight fit, but then I tried using a brand of tennis...
15 Replies

6373 Views

Last post by Tidbit77
Wed Dec 03, 2008 3:24 pm
1" Glowstick ammo

Last post by jrrdw
Replies: 9
by PhotoKirk » Tue Dec 02, 2008 12:17 pm

First post

I've been making these and launching them from my 1 pneumatic cannon. Pretty easy to make and I can get glowsticks at the dollar store.

I use a...

Last post

Cool, you should try and get a night video like sgort87 did, see how it turns out. I agree, nice work.

9 Replies

3247 Views

Last post by jrrdw
Wed Dec 03, 2008 3:11 pm
Alternative ammo for GB cannon

Last post by zac_sraw
Replies: 7
by zac_sraw » Mon Dec 01, 2008 1:52 am

First post

hey im building a golf ball cannon that will look like the predator SRAW. I was wondering what are some good alternatives for gb's. cause gb's can be...

Last post

i am going to shoot golf balls just not all the time...

7 Replies

2731 Views

Last post by zac_sraw
Wed Dec 03, 2008 3:32 am
Question about sch80 NSF-PW bell reducers.

Last post by BC Pneumatics
Replies: 7
by Daltonultra » Thu Nov 27, 2008 8:31 pm

First post

I can't find sch80 reducing bushings anywhere local. Is a sch80 NSF-PW 2 x 1/2 bell reducer going to be an issue at 200psi or less?

EDIT, sorry,...

Last post

That sounds a little more reasonable. Although there are so many bizarre fittings out there I have learned that most anything is possible once you...

7 Replies

6114 Views

Last post by BC Pneumatics
Mon Dec 01, 2008 12:16 am
6mm BB Alternatives?

Last post by zac_sraw
Replies: 47
by nosebleedXD » Sat Aug 02, 2008 10:15 pm
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yeah i can't find any good offer's on airsoft bullets

and i'm no where near 18 or whatever the age you need to be to buy

so if i can't buy it what...

Last post

hi im an aussie and we have these 5mm beads that are a kids toy. they are put in patterns and sprayed with water to set and make cool patterns. but...
47 Replies

1781696 Views

Last post by zac_sraw
Sat Nov 29, 2008 5:37 pm
How Fast Does A Grape Have To Travel...

Last post by psycix
Replies: 12
by dilweed » Wed Nov 26, 2008 4:17 pm

First post

how fast does a grape have to travel to explode in mid air.

At 200psi i can get frozen grapes to explode in mid air. How fast is it going?

Also...

Last post

Is it just me or does the BS-meter pick up some noise in this thread?

Grapes flying in corkscrews and exploding like frag grenades?
Doesnt surprise...

12 Replies

4471 Views

Last post by psycix
Thu Nov 27, 2008 4:15 pm
How do I avoid pipe distortion of PVC joins

Last post by urbanfarm

by urbanfarm » Tue Nov 25, 2008 7:35 pm

Have joined some pipe - PVC Class 12 50mm (OD 60.35 ID 53.7)
to a T for a piston design however the pipe seems to squash in an oval fashion by a few...

0 Replies

1926 Views

Last post by urbanfarm
Tue Nov 25, 2008 7:35 pm
Automotive wire/stun gun

Last post by psycix
Replies: 4
by Moonbogg » Sat Nov 22, 2008 4:51 am

First post

I have a 150,000 stun gun and am getting ready to wire it up...I got some 12ga automotive wire from an autoshop. It has a single layer of plastic as...

Last post

I can remember myself holding a combustion cannon:
CLICK! -- AARGH

Cover the electrodes.

4 Replies

2156 Views

Last post by psycix
Mon Nov 24, 2008 3:40 pm
Cellular core ABS

Last post by Moonbogg
Replies: 15
by Moonbogg » Fri Nov 21, 2008 7:41 am
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OK...I have searched and have not found conclusive info on this. I am building a metered propane combustion, and the only pipe in 4 I can find is...

Last post

Thank you. Safety glasses advice taken
15 Replies

7439 Views

Last post by Moonbogg
Fri Nov 21, 2008 7:29 pm
help joining 2" PVC couplers together

Last post by JDP12
Replies: 9
by JDP12 » Wed Nov 19, 2008 9:05 am

First post

Hello all... (Betcha haven't seen my face around for a while)

But I do need your help once again.

I need to figure out a way to attach 2 (or...

Last post

It has to be strong enough in order to support a) a cartridge being slid in and out..

b) strong enough to be slid back and forth- as an M203-...

9 Replies

3208 Views

Last post by JDP12
Thu Nov 20, 2008 11:30 am
help with modded sprinklers

Last post by MrCrowley
Replies: 1
by covey12 » Tue Nov 18, 2008 7:35 pm

First post

im new to pneumatics, ive basically only made combustion and bbmgs most people will notice my pneumatic on this site use a ball valve and ppl told me...

Last post

:roll:

1 Replies

933 Views

Last post by MrCrowley
Tue Nov 18, 2008 7:38 pm
Need Help Finding a Regulator

Last post by Flash
Replies: 6
by Flash » Sat Nov 15, 2008 6:13 pm

First post

Can anyone recommend a good non-relieving air pressure regulator for use in an external air tank? Preferably something that I can pick up at a Home...

Last post

Thanks everybody

6 Replies

2988 Views

Last post by Flash
Sun Nov 16, 2008 2:05 pm
What to do with this?

Last post by limbeh
Replies: 11
by limbeh » Wed Nov 12, 2008 11:07 am

First post

Dang.

I sent my minion out today to buy some 2mm thick solid neoprene sheet today (among other things) and he comes back with this:

Some 2mm...

Last post

Sorry for double post earlier, hope an admin or mod helps me delete the repeat.

Sounds good.

Once I get my first piston cannon up and running....

11 Replies

3629 Views

Last post by limbeh
Thu Nov 13, 2008 2:55 am
Camera flash circuit with no ignition coil

Last post by jimmy101
Replies: 33
by SpudUke5 » Sun Oct 19, 2008 8:57 pm
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First post

Well, since my tazer circuit went ka-put on me, i needed another source of electronic ignition that i can get for a good price. So i bought a generic...

Last post

jimmy said something but i can't agree...
On a camera circuit, with the two caps, one big, one small, the small one is wired to a tranformer, and the...
33 Replies

9879 Views

Last post by jimmy101
Tue Nov 11, 2008 1:49 pm
tennis ball ?'s

Last post by starman
Replies: 7
by zach12 » Sun Nov 09, 2008 1:28 pm

First post

there is a store almost a mile from my house that sells 2.5 in. pvc.... but its schudale 80. can i still use that?

Last post

Yep sched 80 2.5 won't work...go sched 40 2.5. Also, as you shoot tennis balls, especially with a combustion, the fuzz will wear or burn down and...

7 Replies

2865 Views

Last post by starman
Sun Nov 09, 2008 5:20 pm

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