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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

942774 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

62354 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

823782 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

195433 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

221520 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

315097 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

5182016 Views

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

Topics

WANTED: fridge compressor

Last post by jsefcik
Replies: 16
by Lockednloaded » Tue Jan 08, 2013 9:59 pm
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I've been searching high and low for a fridge compressor for the past year, but I've had zero success. I've driven to junk yards and up and down...

Last post

L&L I work part time as a engineer for a Holiday Inn. We throw away mini fridges all the time due to cosmetic problems. I got no problem ripping out...
16 Replies

8711 Views

Last post by jsefcik
Thu Jan 10, 2013 10:20 pm
machinists wanted for piston building

Last post by 8tonsemi
Replies: 1
by jsefcik » Wed Jan 09, 2013 3:13 pm

First post

I have been looking at some pistons that are amazing nd well machined nd with o ring grooves on them i have tryed one but out of the ones I did try...

Last post

Try this you'll probably get a response faster :lol:

1 Replies

2085 Views

Last post by 8tonsemi
Wed Jan 09, 2013 3:33 pm
RF controller for remote ignition

Last post by wyz2285
Replies: 12
by MrCrowley » Mon Nov 26, 2012 7:39 pm

First post

For those of you that are familiar with my remote ignition circuit that I used on my piston hybrid, you know it uses a doorbell circuit and relay to...

Last post

That's what I usei in my hybrid, a remote controled 12v relay.

12 Replies

6203 Views

Last post by wyz2285
Wed Jan 09, 2013 3:16 am
1000 psi Air compressor project!!

Last post by Goats spudz
Replies: 36
by BigBang J » Tue Feb 01, 2011 9:42 pm
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Hey guys, Here is my first project posting, ya'll have probably been wondering if I was ever going to do anything besides ask questions :)
Well I...

Last post

This post is 2 years old, its oil in your compressor air any moisture is from the atmosphere.
36 Replies

21448 Views

Last post by Goats spudz
Sat Jan 05, 2013 12:25 am
I Has Fridge Compressor But No Skillz

Last post by Himemiya Chikane
Replies: 157
by MrCrowley » Fri Mar 12, 2010 9:06 pm
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Ok I got meself a fridge compressor but I would rather not f*** it up through my lack of knowledge... Assuming it actually works anyway.

Ok well the...

Last post

Hi I have a compressor mmm those but I have a tiny problem that happens is that some water is introduced into the air and afraid that my tank damage...
157 Replies

54090 Views

Last post by Himemiya Chikane
Sat Jan 05, 2013 12:00 am
My Proprietary Fused 70mm Payloads

Last post by jrrdw
Replies: 1
by Essohbe » Sun Dec 30, 2012 12:22 pm

First post

My idea was originally to launch 70mm cans of food but now I'm wondering if the combustion exhaust is hot enough to ignite a fuse? I imagine it would...

Last post

The forum rules please read them.
3.Discussion of solid propellants, explosive devices or incendiary projectiles fired specifically from a spud...

1 Replies

2095 Views

Last post by jrrdw
Sun Dec 30, 2012 1:41 pm
Copper Gun Construction

Last post by ramses
Replies: 3
by Binary Blue » Thu Dec 27, 2012 1:33 am

First post

I'm currently drawing up the plans for my pneumatic QEV BB gun.

I plan on using plenty of 1/4 inch copper pipe and 1/4 inch fittings.

I would...

Last post

Probably. Although, in my area, propane is at least ten times cheaper than butane. The big flame from a propane torch will also heat the pipes MUCH...

3 Replies

2755 Views

Last post by ramses
Thu Dec 27, 2012 11:36 am
Pressure Rating for 3 Inch Schedule 10 Aluminum Pipe

Last post by grumpyoldman
Replies: 13
by grumpyoldman » Mon Dec 24, 2012 1:25 pm

First post

I have some 3 schedule 10 aluminum pipe. It's extruded seamless. Wall thickness is .120 inch - outside diameter is 3.5 inch. Is it safe to take it to...

Last post

Thanks for the valuable info everyone. This is why I love spudfiles!

13 Replies

10877 Views

Last post by grumpyoldman
Wed Dec 26, 2012 4:35 pm
Custom homemade round.

Last post by Mr.Stark
Replies: 6
by 8tonsemi » Mon Aug 06, 2012 10:45 am

First post

I made this out of an old pill container 2 washers a 1 inch end cap and a 5 1/6 bolt. It weighs about a half pound and its a perfect. fit in a sdr 21...

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Add about 3' of 1 ribbon to the back to help keep it from tumbling. The more it tumbles the less accuracy and kinetic energy downrange. In working on...

6 Replies

4082 Views

Last post by Mr.Stark
Tue Dec 25, 2012 9:46 pm
My new ammo in r&d

Last post by jackssmirkingrevenge
Replies: 1
by Mr.Stark » Tue Dec 25, 2012 12:53 am

First post

I'm using wood first to work out the spring placement before casting in aluminum. The idea is basically a 1.5 frag 12 round non explosive. so how...

Last post

As interesting as that sounds, such a discussion unfortunately falls foul of the forum rules :

Discussion of solid propellants, explosive devices...

1 Replies

1855 Views

Last post by jackssmirkingrevenge
Tue Dec 25, 2012 1:41 am
BSP Thread Types?

Last post by D_Hall
Replies: 2
by Binary Blue » Sat Dec 22, 2012 9:58 pm

First post

Sorry for spamming up the Construction Materials thread like this.

I recently bought this QEV:

and this slide valve:

as suggested by JSR in...

Last post

Yes, you may apply BSPP threads to BSPT fittings (or visa versa).

2 Replies

2200 Views

Last post by D_Hall
Mon Dec 24, 2012 10:53 pm
Air Hoses safe to use at high pressure?

Last post by sjog
Replies: 15
by Binary Blue » Sat Dec 22, 2012 3:27 am
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First post

Are air hoses like this:

safe to use at high pressures? I know they say 200PSI max pressure, but from what I've gathered form this forum, those...

Last post

Fittings on both ends and custom lengths in even feet
15 Replies

7905 Views

Last post by sjog
Sun Dec 23, 2012 10:18 pm
Is it safe to use PVC parts with QEV's?

Last post by D_Hall
Replies: 4
by Binary Blue » Fri Dec 21, 2012 10:22 pm

First post

I recently bought this QEV.

Is it safe to use PVC pipe and connectors with it? I only intend on working with pressures of a little over 100PSI at...

Last post

Depends on who you talk to.

I - for one - maintain that PVC shouldn't be used for any part of your valving or reservoir on a pneumatic.

4 Replies

2609 Views

Last post by D_Hall
Sat Dec 22, 2012 1:43 am
Supplier of BSPP parts in US?

Last post by jackssmirkingrevenge
Replies: 8
by JDP12 » Mon Dec 10, 2012 12:26 pm

First post

I'm thoroughly sick of trying to make piston valve housings out of crappy NPT threaded parts... Is there a good supplier of BSPP parts inside the...

Last post

Given the rarity of BSP parts in the US and their corresponding high price, I would say that eBay is your best bet, even with shipping costs it will...

8 Replies

6585 Views

Last post by jackssmirkingrevenge
Tue Dec 11, 2012 1:29 am
How to bore out pvc tee.

Last post by jsefcik
Replies: 9
by 8tonsemi » Fri Dec 07, 2012 7:07 pm

First post

I was wondering how I would go about boring out a pvc T for use in a piston valve. Like this
Without using a dremel.
And do you have to bore out the...

Last post

I have that exact valve!!!! I bought it off him!!! mwhahahaha
How do you like it and did you post the gun that it's on?

its awesome,! very little...

9 Replies

4409 Views

Last post by jsefcik
Sat Dec 08, 2012 12:28 pm
shrapnel

Last post by jackssmirkingrevenge
Replies: 8
by jackssmirkingrevenge » Sun Aug 02, 2009 1:44 am

First post

I have long been aware that high velocity lead striking a hard surface tends to disintegrate like a minature grenade but a recent shooting session...

Last post

Some more intensive testing done by someone else using firearms:

8 Replies

4662 Views

Last post by jackssmirkingrevenge
Tue Dec 04, 2012 5:00 pm
Anyone want to sell a 2inch sprinkler valve

Last post by carl_lawhon
Replies: 30
by 8tonsemi » Mon May 28, 2012 4:52 pm
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If you have one of these two items and willing to sell, I might purchase one from you. I can not promise you that I will buy. I'm just looking at my...

Last post

Well, if you're interested in a brand-new Supah valve-plus (which has 2 porting), make me an offer and its yours. Check out my thread in the...
30 Replies

9687 Views

Last post by carl_lawhon
Sat Nov 10, 2012 7:38 pm
Will this mark on the fitting effect glueing

Last post by mattyzip77
Replies: 7
by 8tonsemi » Thu Nov 08, 2012 11:50 am

First post

Will the mark effect the glue from adhering or damage the fitting?

Last post

Don't worry about it.. Just a little messy where it came out of the mold...

7 Replies

2997 Views

Last post by mattyzip77
Thu Nov 08, 2012 7:45 pm
Compressed Air Reservoir

Last post by archie370
Replies: 29
by SkillessNoob » Wed Oct 31, 2012 4:05 pm
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I'm interested in building a simple pneumatic cannon to use for special effects. I would use it primarily to throw dirt, flour, and other small...

Last post

Hey JSR thats just for one ... i found you can get like 5 for 20 or something ill give you the link

... that one is like 16 dollars ... but they...
29 Replies

29442 Views

Last post by archie370
Tue Nov 06, 2012 8:21 pm
Mcmastercarr fittings.

Last post by Gun Freak
Replies: 6
by 8tonsemi » Fri Oct 19, 2012 6:06 pm

First post

I wanted to buy 3inch PVC fittings from mcmaster but they don't have a pressure rating for them on the sight but the say there nsf-61 certified, are...

Last post

I'm fairly certain these are standard fittings like you'd find in Home Depot. So yes you can use them under pressure.

6 Replies

3909 Views

Last post by Gun Freak
Mon Oct 22, 2012 4:41 pm
Anyone tried muzzleloader bullets?

Last post by jsefcik
Replies: 2
by covey12 » Fri Oct 12, 2012 10:40 pm

First post

I saw these at walmart today and thought that they would make superior ballistics, especially if you could get the right rifling twist that the...

Last post

i have tried just round balls and they go pretty good

2 Replies

2733 Views

Last post by jsefcik
Sun Oct 14, 2012 6:42 pm
Aluminum High Pressure Fittings

Last post by grumpyoldman
Replies: 2
by grumpyoldman » Sat Sep 29, 2012 8:18 pm

First post

This is probably a stupid question, but do aluminum round rods have seams? Was wondering if high pressure fittings could be made from aluminum round...

Last post

Thanks Gs. Exactly what I wanted to know.

2 Replies

2427 Views

Last post by grumpyoldman
Sat Sep 29, 2012 11:37 pm
3/4 inch qev wanted.

Last post by K8TOW
Replies: 11
by 8tonsemi » Fri Aug 24, 2012 6:40 pm

First post

I'm looking for a 3/4 qev prefibitly from mccaster. I would like to if possible to pay through pay pal.

Last post

i have used letter f the last one in the group.this is the one that is in the directions in antennalaunchers.com the only things i have changed ,is i...

11 Replies

5713 Views

Last post by K8TOW
Sat Sep 29, 2012 7:53 pm
Ideas on a pistol grip styled exhaust valve.

Last post by Labtecpower
Replies: 1
by warhead052 » Fri Sep 14, 2012 12:21 pm

First post

I've been stuck on the design part for a new rifle I would like to make, and I can't figure out how to make a pistol grip styled exhaust valve. My...

Last post

cut up a blowgun, flip it around, epoxy pipes in both ends and make a pistol grip around it.

As a trigger just a shaped peice of metal with a pivot...

1 Replies

3797 Views

Last post by Labtecpower
Fri Sep 14, 2012 12:29 pm
High pressure pump.

Last post by al-xg
Replies: 16
by warhead052 » Thu Sep 06, 2012 11:10 am
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Would it be smart to convert this to a high pressure air pump? I know its made for oil, but could it be used to compress air with the proper...

Last post

Interesting pump on this link posted in the other thread.
16 Replies

14687 Views

Last post by al-xg
Sat Sep 08, 2012 5:02 pm

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