Ammo & Materials

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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

943569 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

62393 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

824067 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

195569 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...

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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

221635 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

315242 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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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

5182243 Views

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

Topics

small valve to pilot a qev

Last post by Gun Freak
Replies: 1
by victorjung » Wed Jan 04, 2012 8:27 am

First post

Hi everybody i actually pilot a qev with a blow gun. But i found it s to big and it s taking a lot of place in my gun . So i m searching for...

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But you need a lever to push the stem because it's too hard without one, and you can't just thread the stem in because that's not how it works. Some...

1 Replies

1709 Views

Last post by Gun Freak
Wed Jan 04, 2012 10:58 am
How durable is bondo body filler?

Last post by Sauerbraten
Replies: 4
by JDP12 » Wed Dec 28, 2011 2:43 am

First post

Hey all- Workin on my pneumatic rifle, and tryin to decide what to do as a gun body. it's too complex to shape out of wood so I'm going to cast a...

Last post

You could use threaded inserts in your casting, that way the threads aren't directly in the bondo and the force from the repeated screwing(lol) would...

4 Replies

5780 Views

Last post by Sauerbraten
Wed Dec 28, 2011 4:44 pm
Pneumatic piston cannon help

Last post by wyz2285
Replies: 5
by ThatGuy » Fri Dec 23, 2011 10:04 pm

First post

I am attempting to build my first piston cannon but have a question about the parts I want to use.

Parts:
-Chamber= 3 PVC, male/female coupler, Cap,...

Last post

if you really want to have a trigger like a blowgun, use a 1 sprinkler valve modded with a blowgun as the pilot.

Or a o-ring sealed piston :wink:

5 Replies

2725 Views

Last post by wyz2285
Tue Dec 27, 2011 6:52 am
Need to create a form to mold a gun body

Last post by jhalek90
Replies: 2
by JDP12 » Sat Dec 24, 2011 11:21 pm

First post

Hey all- I'm planning on using some of this stuff- www.mcmaster.com part #8644K18 to create a gun body as then I can just cast it and don't worry...

Last post

I would take a good look at using cardboard.

might sound hard to work with.... but if this is a one time mold, you should be able to use a combo of...

2 Replies

1564 Views

Last post by jhalek90
Sun Dec 25, 2011 2:51 pm
adding o-rings to threaded fittings?

Last post by jackssmirkingrevenge
Replies: 6
by JDP12 » Thu Dec 22, 2011 9:13 pm

As much fun as sealing threads with teflon tape, testing for leaks, and then resealing it again with tape and retesting for leaks is, On the gun i'm...

6 Replies

2446 Views

Last post by jackssmirkingrevenge
Fri Dec 23, 2011 2:28 am
4500psi/300bar rated piping and fittings.

Last post by DYI
Replies: 5
by Miles Hardman » Mon Dec 19, 2011 8:17 pm

First post

Hello,
I am currently working on a HPA project and am having trouble finding places which sell pipes and fittings rated at 3000-4500psi. I require...

Last post

I haven't noticed the same issues with 3000# pipe and fittings that SB15 describes. The few that I've bought have been no more than 2-3x the price of...

5 Replies

3384 Views

Last post by DYI
Thu Dec 22, 2011 5:36 pm
GB energy loss

Last post by jackssmirkingrevenge
Replies: 3
by velocity3x » Wed Dec 14, 2011 10:23 pm

First post

I found this old pic in my computer today. This graph was generated by doppler radar. It shows the projectile speed from the muzzle to the point of...

Last post

Can that really be right? For such a short time, it seems impossible a golf ball can slow down such a significant amount, especially given their...

3 Replies

1609 Views

Last post by jackssmirkingrevenge
Wed Dec 14, 2011 11:20 pm
etched rifling

Last post by jackssmirkingrevenge
Replies: 9
by jackssmirkingrevenge » Sun Dec 11, 2011 3:32 pm

First post

An idea that came from a discussion with Brian that might have some merit - acid etched rifling.

Here's how I see it being done for a short pistol...

Last post

Ah yes...

This works well with lead slugs and it's not particularly deep. The main reason is that It'd require a thicker barrel...

I don't expect...

9 Replies

8204 Views

Last post by jackssmirkingrevenge
Mon Dec 12, 2011 12:42 am
Carbon Fiber Barrels

Last post by pneumaticcannons
Replies: 63
by Goats spudz » Tue Dec 06, 2011 6:35 pm
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i recently ordered a Carbon fiber barrel and was wondering about max psi and how accurate it would be, 8mm od x 6mm id

Last post

My thoughts on this entire topic:
63 Replies

17245 Views

Last post by pneumaticcannons
Sun Dec 11, 2011 7:24 am
What to do with bb gun pump and valve assembly?

Last post by dungdue0
Replies: 3
by dungdue0 » Sat Dec 10, 2011 12:57 am

First post

I have a remington air rifle pump and valve assembly as one peice. I dont know what to do with it so maybe you guys can help. anyways here are teh...

Last post

it operates fine i just want to make a captive bolt gun or something cool lol, i was thinking moar like a bolt type setup as i have almost no...

3 Replies

3352 Views

Last post by dungdue0
Sat Dec 10, 2011 11:04 am
Help with construction/materials of a firing chamber?

Last post by evanmcorleytv
Replies: 3
by stoj » Tue Dec 06, 2011 5:45 pm

First post

I'm in the process of building my first pneumatic, and I'm not too sure what to use for the firing chamber (using a qev piloted by a slide, fire...

Last post

Yes, those are in fact too small, but If you're only operating at 80 to 100 PSI, the PVC will do just fine, but If you like the aluminum pipe more,...

3 Replies

1966 Views

Last post by evanmcorleytv
Tue Dec 06, 2011 7:42 pm
Supressor Round

Last post by jackssmirkingrevenge
Replies: 15
by Bias_P11 » Sat Sep 03, 2011 5:20 pm
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Pros:
>This round is made up of a solid ammo and a cardboard tube tail, with slits cut in it. It can be made of any semi-flexible sheet rolled into a...

Last post

A bit of a silly idea?

Yeah, look what they also offer...

At first glance, I thought you were showing off new parts that you just made with your...
15 Replies

7146 Views

Last post by jackssmirkingrevenge
Tue Dec 06, 2011 3:21 pm
Where to get standard BSP threads in US?

Last post by jackssmirkingrevenge
Replies: 9
by JDP12 » Tue Nov 29, 2011 10:28 pm

First post

Tried mcmaster, they don't have just plain old BSP threads unless I'm an idiot, they have BSPT, BSPP but not BSP.

Last post

I sometimes get around this by ignoring the sealing ring and whacking some epoxy in instead.

A man after my own heart :)

9 Replies

3498 Views

Last post by jackssmirkingrevenge
Wed Nov 30, 2011 4:19 pm
Mini propane tank

Last post by Lockednloaded
Replies: 10
by Lockednloaded » Sat Jul 02, 2011 12:13 am

First post

So I've building a smallish hybrid, which presents a problem; the propane tank is just as large as the entire gun. I don't want to have to be...

Last post

Zeus posted an easier way in the chat, any opinions?

10 Replies

5319 Views

Last post by Lockednloaded
Mon Nov 28, 2011 12:13 am
RF Tracking Ideas

Last post by Technician1002
Replies: 4
by dewey-1 » Mon Nov 21, 2011 11:08 am

First post

A lot of ideas for tracking ammo have been discussed but this thread is to post links for for RF transmitters and receivers that are for DIY.

While...

Last post

FYI, Narrowband has better distance than wideband. A narrow band receiver lets the signal in while keeping the noise out resulting in high...

4 Replies

1899 Views

Last post by Technician1002
Tue Nov 22, 2011 7:00 am
ideas for a 3/4" chamber

Last post by microman171
Replies: 6
by victorjung » Tue Nov 22, 2011 3:50 am

First post

Hi guys, since today i always used aluminium bottle as chamber in my pneumatic canon like this one:
But it's not a erfect 3/4 npt so it 's not...

Last post

I would suggest a 3/4 pipe nipple, and then you cover the thread in epoxy, and screw the pipe nipple in.

6 Replies

3423 Views

Last post by microman171
Tue Nov 22, 2011 6:33 am
how to prevent ammo to fall when you shoot in down direction

Last post by pneumaticcannons
Replies: 28
by victorjung » Mon Nov 07, 2011 10:16 am
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Hi guy's! I hate something with homade airgun it's when we shoot to the down direction and the ammo just slide down the barrel!!! I had an idea; i...

Last post

The hard part is distancing the magnet so that it holds the bearing with enough strength to prevent it falling out, but doesnt hold it too strongly...
28 Replies

11452 Views

Last post by pneumaticcannons
Mon Nov 21, 2011 10:17 am
long range ammo MiniBoy Mark I

Last post by mobile chernobyl
Replies: 591
by LeMaudit » Sat Apr 09, 2011 12:41 pm
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Following this discussion , I am building a long range ammo using my Sherline lathe and mill.

Here's the plan that I am following:

And what's...

Last post

pshhh... hand held's :P

If I want to stand back and watch something become annihilated, I'll just use , not some cannon that needs to be towed...
591 Replies

159410 Views

Last post by mobile chernobyl
Sat Nov 19, 2011 4:37 pm
personal computers in a machining environment

Last post by USGF
Replies: 69
by jackssmirkingrevenge » Mon Oct 17, 2011 6:29 am
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My PC decided to pack up recently, still not sure what the problem was but I have a faint suspicion it could be related to the sudden increase in...

Last post

plus if you can move the pc to another room you can put some really loud cooling system on it

why not have a cooler thats quiet?

Gents,

We were...
69 Replies

19557 Views

Last post by USGF
Fri Nov 18, 2011 6:15 pm
looking for a blow gun

Last post by Mr.Tallahassee
Replies: 5
by sniperatheart » Sun Nov 06, 2011 11:53 am

First post

Hi to all. i just joined not too long ago 9iv been building spud guns for a little while and now that in adding more difficult designs i figured it...

Last post

Actually, if the blowgun is used as the pilot valve then it has to hold that pressure for relatively long periods of time. Also, when you post, try...

5 Replies

1977 Views

Last post by Mr.Tallahassee
Wed Nov 16, 2011 12:07 am
Where to buy larger PVC?

Last post by Technician1002
Replies: 11
by crcowboyfan » Sat Nov 12, 2011 3:55 am

First post

Where do you guys find 3 and 4 pressure rated PVC? The only 4 PVC that Lowes had was the cell core stuff that isn't built to take pressure.

Last post

But youve got to remember, shipping is gonna get you on any length of pipe.

If they have a local yard, and your order is special order, see if you...

11 Replies

4178 Views

Last post by Technician1002
Sat Nov 12, 2011 3:45 pm
Shotshell Wads

Last post by Mr.michael.2468
Replies: 6
by PVC Arsenal 17 » Fri Oct 28, 2011 8:45 pm

First post

I'm interested in using shotshell wads as the basis for cheap, easy to make recreational darts. I've read on here that 12ga wads work in 3/4 sch40...

Last post

something i can help with! lol i've actually done this a lot, i've found that i used some leftover 28 gauge wads in 1/2 sch 40 pipe pvc, worked...

6 Replies

2791 Views

Last post by Mr.michael.2468
Fri Nov 11, 2011 10:22 pm
Gerber Baby Juice bottles fit perfect in 2" PVC

Last post by Stevenh429
Replies: 2
by Kanonier » Sun May 02, 2010 3:10 pm

First post

Has anyone else noticed just how perfect the little 4 fluid ounce plastic juice bottles from Gerber (baby food maker found in any grocery store) fit...

Last post

Ever hear of the nerf vortex football?

2 Replies

2018 Views

Last post by Stevenh429
Thu Nov 10, 2011 8:31 am
Mount a scope right on the barrel

Last post by jackssmirkingrevenge
Replies: 1
by victorjung » Sun Nov 06, 2011 1:33 pm

Hi, i would like to set up a scope on my airgun but i have no stock.
So i would like to mount it right on the barrel or on the qev like this on pic....

1 Replies

1283 Views

Last post by jackssmirkingrevenge
Sun Nov 06, 2011 1:41 pm
Search help

Last post by Daltonultra
Replies: 16
by Daltonultra » Mon Oct 31, 2011 4:57 pm
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OK, since the search doesn't work, I need help finding a thread:

A long time ago, somebody linked a site for a company that made large piston-type...

Last post

Make a hybrid! :D

Seems pointless to make that remark. What would anyone do with a SCUBA compressor except build a 200X hybrid? :wink:

Build a...
16 Replies

6853 Views

Last post by Daltonultra
Sat Nov 05, 2011 10:35 pm

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