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Announcements

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

626805 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

49485 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

729985 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

140039 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

171366 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

259462 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

5097414 Views

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

Topics

Blow Gun

Last post by jrrdw
Replies: 3
by RBurke83 » Fri Mar 29, 2013 6:52 pm

First post

Hey guys, my blow gun had a catastrophic failure last night while testing my new piston. This blowgun originally came out of a compressor accessory...

Last post

where would you get the better one at and in a spud gun wan you use it for a trigger

Chambell Hausfield maybe and yes used for a trigger. When used...

3 Replies

3509 Views

Last post by jrrdw
Thu Jun 13, 2013 7:02 am
Soldering brass fittings to copper

Last post by dart guy
Replies: 10
by Kilash » Sun May 12, 2013 1:19 pm

First post

I soldered for the first time yesterday ( 8) ), it went pretty well until it came to soldering my brass ball valve to the pipe. I kept heating the...

Last post

i think if you would place new soder in top of the exsisting link in like a cone shape it would block of the leak without futher damage and this may...

10 Replies

7289 Views

Last post by dart guy
Thu Jun 13, 2013 6:04 am
Safe Pressures for Brass BSPP Elbows from China

Last post by jackssmirkingrevenge
Replies: 4
by Binary Blue » Fri Mar 29, 2013 11:58 pm

First post

I'm planning on using these brass BSPP elbows from China. They're the same as the ones being sold here:

What pressure would they be safe to use...

Last post

I wouldn't take that setup above 300 psi personally :roll:

I would, happily.

4 Replies

3692 Views

Last post by jackssmirkingrevenge
Mon May 13, 2013 11:35 pm
amo types

Last post by jimmy101
Replies: 5
by Eight Bit Beast » Thu May 02, 2013 9:00 pm

First post

i am looking for a amo for a school demo and am thinking of using mallows :D
if this happens :idea: tell me

Last post

I would go with mini-marshmallows. And make sure the device has less muzzle energy than a person's arm. Say muzzle velocities of less than 100...

5 Replies

3987 Views

Last post by jimmy101
Sun May 12, 2013 2:48 pm
Fastenal.com - online store for fittings

Last post by Kilash
Replies: 2
by Kilash » Wed May 08, 2013 10:02 pm

First post

I had been trying to find a 2 inch x 3/4 inch threaded spigot bushing for my build, and I stumbled onto this site. They have stores everywhere, and I...

Last post

I have bought from Fastenal a few times. Belleville washers and spring plungers.

The Edmonton store has been very good to deal with...they didn't...

2 Replies

2357 Views

Last post by Kilash
Thu May 09, 2013 8:40 am
Pipe label confusion

Last post by Technician1002
Replies: 1
by RPM314 » Sat May 04, 2013 1:14 pm

First post

Hi, all. Building my launcher, a friend gave me some pipe for the combustion chamber that he didn't need. I just found out that it is probably this...

Last post

Schedule 40 is a pipe specification for pipe wall thickness. Thick wall does not always equate to pressure rated. Schedule 40 water pipe will have...

1 Replies

1898 Views

Last post by Technician1002
Sat May 04, 2013 1:25 pm
Durable ammunition tutorial

Last post by RamboNucke
Replies: 10
by RamboNucke » Wed Apr 24, 2013 3:08 pm

First post

I don't know why spuds are used so much. Here's one of the many options of accurate, durable ammo. I use it for all my spudguns and I made a tutorial:

Last post

I don't want to start discussing O2/NOx enriched mixtures on youtube because there's a lot to be said and can't be done well in the comments section.

10 Replies

4895 Views

Last post by RamboNucke
Mon Apr 29, 2013 12:18 pm
metal detector for gold

Last post by jimmydetectors09

by jimmydetectors09 » Sun Apr 28, 2013 9:35 pm

Among all the detecting activities, gold metal detecting is the most interesting one. We can not only relax both our mind and body , but also find a...

0 Replies

6209 Views

Last post by jimmydetectors09
Sun Apr 28, 2013 9:35 pm
Airchamber material

Last post by wyz2285
Replies: 3
by sniperrifle » Wed Apr 10, 2013 2:55 pm

First post

Hello guys,
i'm new to the forum, so hello everbody! I'm currently building my own airgun. Therefore i'm using a ballvalve,a copper barrel. At first...

Last post

There is a tutorial of what you're attempting to make, just search how to make a cheap airgun on YouTube

3 Replies

2647 Views

Last post by wyz2285
Wed Apr 10, 2013 4:33 pm
bunnings barrel.. 6mm , breech, qev 3way valve.

Last post by speedballs
Replies: 7
by speedballs » Sat Mar 23, 2013 1:37 am

First post

Finally finished my barrel. Breech loaded, multi sleeved. Tested to 140psi so far then I broke my qev.... don't ask .... I hate myself right now!!!...

Last post

Yeah found some cheaper ones! Plus re-made the barrel, slide cover will work with repeater mag feed. The 3way is a roller bearing type. Pre sprung...

7 Replies

5343 Views

Last post by speedballs
Fri Apr 05, 2013 7:25 am
special pvc pipe needed

Last post by Technician1002
Replies: 5
by jsefcik » Wed Apr 03, 2013 9:48 pm

First post

I am in need of sdr 26 2 1/2 inch,, ive looked all over nd cant find it, maybe a fellow spudder can help me out here? I will only use other websites...

Last post

If you find someone nearby to share a 20 foot stick, the better. I split a 20 footer and then cut the 10 foot section into a 7 footer and 3 footer....

5 Replies

3168 Views

Last post by Technician1002
Thu Apr 04, 2013 3:19 pm
Fire extinguisher help

Last post by ramses
Replies: 5
by Juggernaut12121 » Wed Apr 03, 2013 1:05 pm

First post

I have a dumb question, can I use a disposable fire extinguisher as an air chamber instead of a refillable one? I ask because at the stores I visited...

Last post

One thing to keep in mind is that they may be more susceptible to corrosion. So painting the inside might be a good idea

5 Replies

3227 Views

Last post by ramses
Wed Apr 03, 2013 10:41 pm
Epoxy Skills Improvement

Last post by jackssmirkingrevenge
Replies: 10
by RBurke83 » Thu Mar 28, 2013 3:02 pm

First post

My progression of skills in epoxy casting... First two from left are cheap Loctite 5min epoxy, which is great for certain applications - just not for...

Last post

JSR would be even more proud of you if you'd put something light in the core of the piston to safe weight, without added dead space

JSR sees that...

10 Replies

5433 Views

Last post by jackssmirkingrevenge
Sat Mar 30, 2013 1:05 pm
Best way to seal metal threads?

Last post by Gippeto
Replies: 14
by ThatGuy » Thu Mar 21, 2013 6:32 pm

First post

Sorry if this is a really dumb question, but I just assembled my first metal cannon but cannot get it to stop leaking. First I tried regular Teflon...

Last post

Loctite Thread SEALANT, not loctite thread locker workes good too. Remember to let any liquid dry overnight though.

Was that not ...or supposed to...

14 Replies

14037 Views

Last post by Gippeto
Sun Mar 24, 2013 2:35 am
@#$! My reducer fitting broke? WTF?

Last post by Technician1002
Replies: 1
by Cy4ka » Tue Mar 19, 2013 2:22 pm

First post

So I spent hours putting a fan in a 4 -to-2.5 reducer fitting. I knocked it off the workbench and it hit the floor and cracked, busted pieces off on...

Last post

PVC is strong but brittle like glass.

Try ABS instead.

See my test cannon in my sig.

A fragile PVC part was replaced with ABS on this cannon of...

1 Replies

1934 Views

Last post by Technician1002
Tue Mar 19, 2013 6:52 pm
Integrated magazine, breech and barrel

Last post by Brian the brain
Replies: 7
by evilvet » Wed Feb 06, 2013 12:52 am

First post

Howdy, hope those of you in southern Oz are enjoying the 38 degree day.
Damm it's hot.

Anyhow........

A germ of an idea was spawned from another...

Last post

I deliberately didn't mention the fact that I used a mag parallel to the barrel ..
I thought it would overcomplicate the principle.

7 Replies

5198 Views

Last post by Brian the brain
Mon Mar 18, 2013 3:44 pm
spool valve

Last post by jackssmirkingrevenge
Replies: 5
by jean » Fri Mar 15, 2013 9:57 am

First post

hi

how to smooth the inside after drilling 1mm holes in a 6mm ID tube?
the small dimensions are the main problems.

inside the tube i like to move...

Last post

Ahhhhh... he means porting holes... ok...

5 Replies

3151 Views

Last post by jackssmirkingrevenge
Fri Mar 15, 2013 11:20 am
Easter egg impact ammo

Last post by Jarrado
Replies: 4
by CS » Sun Mar 10, 2013 6:04 am

First post

The plan is to have a round the functions similar to the chalk rounds in the first of this video.

I haven't test fired, and I'm planning to put...

Last post

I thought about making clay shots, but just not firing them. They are thin and barely strong enough to survive being shot. Tests tests.

On a side...

4 Replies

2923 Views

Last post by Jarrado
Wed Mar 13, 2013 12:08 pm
Alumaloy review

Last post by POLAND_SPUD
Replies: 2
by Fnord » Sun Mar 10, 2013 8:29 am

First post

Alumaloy/durafix is a pot-metal alloy for soldering material that cannot be joined with normal tin/lead solders.

I bought a pound of it a while back...

Last post

thx fnord
I always wanted to know if this product is any good

could you post a vid of you using it?

2 Replies

4197 Views

Last post by POLAND_SPUD
Sun Mar 10, 2013 11:50 am
What did i just buy?

Last post by Alex345
Replies: 28
by Alex345 » Tue Feb 12, 2013 12:25 pm
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I found this BIG valve(ish) thing at a local tool shop in one of it's many miscellaneous boxes. To me it looked like a huge piston valve, but i have...

Last post

Well the company was closed during the weekend so i called this morning and it was already made for me, i did not pay anything in advance nor did i...
28 Replies

15867 Views

Last post by Alex345
Mon Feb 18, 2013 4:57 am
3D printers/CNC mills

Last post by jackssmirkingrevenge
Replies: 169
by jackssmirkingrevenge » Fri Nov 11, 2011 7:13 am
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Who has one? For under $1000 I would be tempted to take a first step into CAD/CNC...

Last post

Pretty sweet! Also, we have the same SMS ringtone, confused me there for a second :)

Jack, the gauges are Russian because the vendor told me the...
169 Replies

65951 Views

Last post by jackssmirkingrevenge
Sun Feb 10, 2013 7:03 am
V-DrillGuide

Last post by MrCrowley
Replies: 9
by PVC Arsenal 17 » Wed Feb 06, 2013 8:47 am

First post

I bought one of these recently and I think it's a fantastic tool. If you don't have a drill press or you're away from one and you need to drill a...

Last post

On the order page he sells guides specifically for taps I think.

9 Replies

4396 Views

Last post by MrCrowley
Fri Feb 08, 2013 3:19 pm
Lubrication for Slide Valve

Last post by MrCrowley
Replies: 13
by Binary Blue » Thu Jan 31, 2013 7:30 pm

First post

I have one of these slide valves.

I notice that they get noticeable harder to pull when left alone for even a short period of time (a few...

Last post

Wasnt sure about what the insides consisted of, as I said in the beginning , there is no rubber inside correct someone could have said there is...

13 Replies

7112 Views

Last post by MrCrowley
Sat Feb 02, 2013 3:57 pm
Good source of O rings in Oz

Last post by evilvet

by evilvet » Wed Jan 30, 2013 10:20 pm

For those with an Aldi nearby

Not sure why but this week they have plastic boxes of 450 O rings in various sizes, both Imperial boxes and Metric...

0 Replies

5189 Views

Last post by evilvet
Wed Jan 30, 2013 10:20 pm
Paint?

Last post by mark.f
Replies: 6
by Cy4ka » Sun Jan 27, 2013 6:15 pm

First post

What kinds of paint have you found works the best on PVC? I was going to get crazy and go with something like duracoat but if I can find an olive...

Last post

I've honestly just used primer grey in the past.

Pssh... you know where you got that scheme from. :P

I was planning on emulating it too.

6 Replies

3975 Views

Last post by mark.f
Mon Jan 28, 2013 10:20 pm

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