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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

1090431 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

69625 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

887214 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

224164 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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First post

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

244587 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

346283 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

5227671 Views

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

Topics

Canadian Supplier

Last post by MrCrowley
Replies: 2
by Lebult » Thu Sep 06, 2007 6:14 pm

First post

I did some searches through google and the forums, but havn't found a solid online supplier of PVC and ABS pipes and fittings that will shipping to...

Last post

PM spudblaster15, he's Canadian.

2 Replies

1982 Views

Last post by MrCrowley
Thu Sep 06, 2007 7:00 pm
anti-rust copper?

Last post by dongfang
Replies: 20
by us sniper » Thu Aug 16, 2007 10:26 pm
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First post

Is there anything that you can put on copper pipe sp that it does not rust an turn green? I am just wondering because I want to use copper as a...

Last post

Hi,

Sacrifical anodes are only good in water ... :) (and other conductive fluids).

Copper lacquer would be my choice. That´s what is used on those...
20 Replies

6312 Views

Last post by dongfang
Wed Sep 05, 2007 3:42 pm
Where Can I get This?

Last post by WOW!!
Replies: 7
by e1337 » Thu Aug 09, 2007 8:32 pm

First post

I was wondering where I could get 1 sch21 pvc. Anyone know any good online stores?

-e1337

Last post

Look in your phone book and look for plumbing contractor suppliers. They will usually have it along with everything you need (ie Sch80 things)

7 Replies

2596 Views

Last post by WOW!!
Wed Sep 05, 2007 6:23 am
How do you dimension o-rings?

Last post by cdheller
Replies: 1
by dongfang » Mon Sep 03, 2007 12:49 pm

First post

Hi,

Some people hate o-rings. I love them... but I´m not always sure I treat them right ;)

How do you guys determine the thickness of the o-ring to...

Last post

:arrow:
is the Swedish start page
they probably have the fallowing stuff in Swedish or whatever lingo you do best with (they are worldwide)...

1 Replies

1169 Views

Last post by cdheller
Mon Sep 03, 2007 7:36 pm
Steel Pipe pressure limits

Last post by Collo
Replies: 8
by DYI » Sun Aug 19, 2007 7:01 pm

First post

In a few weeks I will have capabilities for pressurizing my launchers as high as 500 psi with nitrogen. I was wondering, what is the highest pressure...

Last post

It all depend there are different classes of steel pipe with different amounts of iron in them class 1 pipe is the best as it is cast straight form...

8 Replies

6806 Views

Last post by Collo
Sun Sep 02, 2007 7:39 pm
15MM Threadbolt

Last post by Collo

by Collo » Sun Sep 02, 2007 7:06 pm

I have a pretty basic marble gun i shoot it at 110psi and some new ammunition i have found that shoots awsome is 15mm thread bolt you can get them in...

0 Replies

1962 Views

Last post by Collo
Sun Sep 02, 2007 7:06 pm
8" cannon?

Last post by frankrede
Replies: 8
by frankrede » Sun Sep 02, 2007 4:47 am

First post

I just got 4ft of 8 nsf-61 pvc.
I googled nsf-61, but with no prevail, is it safe for lets say... 120 psi? or acetylene?

And what fits good in a 8...

Last post

Ok, good, and the walls, I will measure them as soon as I get ready.
and I am probably going to build a combustion, because I do not plan on spending...

8 Replies

3343 Views

Last post by frankrede
Sun Sep 02, 2007 3:09 pm
Polly pipe pressure ratings?

Last post by rna_duelers
Replies: 4
by wannabie » Sat Sep 01, 2007 3:05 am

First post

Hi everybody!

I was wondering if anyone knew the pressure ratings on polly pipe?

For those of you who dont know what that is

i was just wondering...

Last post

16bar running pressure.

4 Replies

1786 Views

Last post by rna_duelers
Sat Sep 01, 2007 7:32 pm
metal/rubber schrader valve

Last post by noname
Replies: 9
by roughboy » Fri Aug 31, 2007 12:53 am

First post

Im going to use 200psi to maybe, maybe 300psi on new upcoming gun and im wondering which should i use thats safer and can hold alot of pressure like...

Last post

Threaded schrader valves cost about 10-20 cents more than rubber ones, and are just so much easier to install. Either you use them in a metal gun,...

9 Replies

3787 Views

Last post by noname
Fri Aug 31, 2007 10:33 pm
2'' pipe

Last post by MrCrowley
Replies: 5
by homedepotpro » Fri Aug 31, 2007 7:56 pm

First post

i just bought 2'' pipe with both nsf-pw and nsf-dwv written on it. it also said it was good to 280psi. why is it both pw and dwv

Last post

Combustions rarely peak at over 40psi, so you should be fine. No worries, but if you can, switch to sch40 for durability.

Hair spray combustions...

5 Replies

2099 Views

Last post by MrCrowley
Fri Aug 31, 2007 10:10 pm
pvc primer question

Last post by jimmy101
Replies: 25
by singularity » Tue Aug 21, 2007 11:17 pm
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First post

well for the last 10 or so cannons i have made (but for some reason have not posted becuase they just don't have that crazy awesome insane quality to...

Last post

Like clide said.

Code requires the use of primer.
The dye in primer does nothing except prove that primer was used.

No purple stain = failed...
25 Replies

7546 Views

Last post by jimmy101
Fri Aug 31, 2007 5:31 pm
1.5 inch ball bearings

Last post by skyrunner06
Replies: 15
by skyrunner06 » Tue Aug 28, 2007 8:03 pm
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do you know if they make these cause my barrel is 1.5inch and i would just grind the bearings down a bit with my wire brush grinder so ?

Last post

oh well ill try the pingpong ball thing
15 Replies

6713 Views

Last post by skyrunner06
Fri Aug 31, 2007 9:03 am
Gorilla PVC Glue?

Last post by paaiyan
Replies: 4
by PVC Arsenal 17 » Tue Aug 21, 2007 9:58 pm

First post

1/4 Pint, (good for 50-100 glue joints of 1 pipe) of organic PVC Glue. This glue is non-flammable, non-toxic, has almost no odor, shippable,...

Last post

Well, it does seem too good to be true, but Gorilla tends to make good stuff in my experience. I know people who swear by the stuff. Maybe not that...

4 Replies

1957 Views

Last post by paaiyan
Thu Aug 30, 2007 10:40 pm
Golf Balls As Ammo

Last post by DYI
Replies: 20
by Spudlightyear » Mon Sep 26, 2005 4:13 pm
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First post

First off i know what your all thinking why in the in the hell do you wand to launch golf balls for there is a resonable anwser for that

I am...

Last post

Woohoo!

You do realize that the last post in this topic was over a year ago, right?
Kicking up a year old topic to supply inaccurate information...
20 Replies

10037 Views

Last post by DYI
Wed Aug 29, 2007 8:09 pm
Aluminium Pipe/Fittings

Last post by chaos
Replies: 6
by rna_duelers » Tue Aug 28, 2007 5:26 am

First post

Just wondering,can anyone clear up if 40mm BSP Aluminium fittings are available.For use in my Hybrid,for welding a nipple onto the chamber(made from...

Last post

You are right on the money Chaos- btw what kind of workplace do you work at? Only ask cuz you seem to be clued up.

well it involves a bit of on...

6 Replies

2200 Views

Last post by chaos
Wed Aug 29, 2007 1:54 am
schedule pipe

Last post by noname
Replies: 4
by spud-tom » Mon Aug 27, 2007 9:37 pm

First post

Would schedule 40 cast iron be good enough for about 500 psi (co2)? or do i need schedule 80 cast iron?

Last post

I don't know how much pressure a 6x propane/compressed air hybrid mixturte creates, or if DDT (I think it does sometimes, but not all, depending on...

4 Replies

2575 Views

Last post by noname
Tue Aug 28, 2007 11:23 am
60 Caliber Paintballs

Last post by turbohacker
Replies: 17
by us sniper » Wed Aug 01, 2007 2:10 am
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Does anyone know if there are 60 caliber paintballs? They would be perfect for a 1/2 inch barrel because they would only be .002 of an inch smaller...

Last post

I belive that it is the same thing.
17 Replies

9391 Views

Last post by turbohacker
Mon Aug 27, 2007 6:13 pm
PVC vs. ABS for pnuematic cannon.

Last post by mopherman
Replies: 14
by ALIHISGREAT » Sun Aug 26, 2007 4:26 pm

First post

which should i use... i read somewhere that pvc is unsuitable for compressed air systems (has anyone had problems with it?), but ABS is super...

Last post

order extra then.
Ever heard of a hack saw?

aww how cute!

lol.but seriously, this would be cool for any uk spudguns with piston valves, its just...

14 Replies

4208 Views

Last post by mopherman
Sun Aug 26, 2007 8:49 pm
New Piston Molding Material

Last post by PinHead
Replies: 4
by benstern » Sat Aug 18, 2007 2:59 pm

First post

latex paint.

It dies as a flexible plastic which can take the force of opening and closing.
It seals great and has low surface friction.
And it can...

Last post

I agree with those who say that it will take forever to cure; and from my experience, latex isn't the most durable thing ever. I have the feeling...

4 Replies

2314 Views

Last post by PinHead
Sun Aug 26, 2007 7:10 pm
Exploding Barrel?

Last post by DYI
Replies: 17
by DYI » Fri Aug 24, 2007 8:01 pm
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First post

I am planning on building a large bore pneumatic mortar, and I could run it on pressures up to 500 psi. For a barrel, my only easily available...

Last post

I am using steel pipe and fittings for the pressure chamber, which are 2 in diameter. As I said in a previous post, I have decided not to take this...
17 Replies

8863 Views

Last post by DYI
Sat Aug 25, 2007 3:47 pm
Leaking piston

Last post by Hubb
Replies: 2
by Tom » Sat Aug 25, 2007 2:04 pm

First post

I just maked a piston for a 32mm (1.25inch) pvc pipe, when I put pressure on the piston its leaking. I lubricated the piston but in won't help, dus...

Last post

Show a picture so that we can gather a better understanding of what is going on with the piston you maked.

2 Replies

1581 Views

Last post by Hubb
Sat Aug 25, 2007 2:45 pm
Golfball barrel sabot

Last post by boilingleadbath
Replies: 3
by MrCrowley » Fri Aug 24, 2007 5:14 pm

First post

Today I came across some of those cardboard tubes that are used for 'Glad Wrap'(plastic food wrap). I thought the O.D looked awfully close to that of...

Last post

For the record, toilet paper rolls have the same OD. (in the US, anyway)

3 Replies

2231 Views

Last post by boilingleadbath
Sat Aug 25, 2007 8:48 am
SPrinkler Valve

Last post by rna_duelers
Replies: 14
by Redcoat » Thu Aug 23, 2007 2:42 am

First post

Hi all,
For my upcoming Air gun i need a sprinkler valve and i was wondering if you knew if they sold them at BUNNINGS or Mitre 10.

Thanks,...

Last post

Take out the solenoid,fill in all the holes that connect it to the pilot area/chamber/barrel.Unless you plan to use the no drill method of moding.

14 Replies

2909 Views

Last post by rna_duelers
Sat Aug 25, 2007 3:57 am
Darts for small bore(very accurate)

Last post by noob of noobs
Replies: 23
by Mr.Russ » Sun Aug 19, 2007 5:52 am
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Alright. you might have seen my topic about my bb sniper that i just made, and i was interested in other ammo.

Thursto came over today and we went...

Last post

Thanks. Unfortuanatley, I don't have a lathe... The popper things sound promising though. I might have to try them out some time...
23 Replies

6507 Views

Last post by noob of noobs
Fri Aug 24, 2007 7:51 pm
ID of 3/4" SCH 80 PVC

Last post by demilus
Replies: 6
by demilus » Fri Aug 24, 2007 11:07 am

First post

I'm currently working on a marble machine gun, and I would like to sleeve 1/2 copper tubing (it has a 5/8 OD) into another pipe. 3/4 SCH 40 has a...

Last post

Ok then, I'm sorry for my question. I hope you feel better for belittling me.

6 Replies

5439 Views

Last post by demilus
Fri Aug 24, 2007 6:44 pm

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