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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

1338779 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

82634 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

991457 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

278665 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

288198 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

394676 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

5345399 Views

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

Topics

Solenoid and qev

Last post by Larda
Replies: 9
by AlphaOmega » Tue Jul 27, 2010 10:54 am

First post

Does this seem like a good deal to everyone? Getting ready to order for use in a small calibre airsoft any thoughts?

I think I could always...

Last post

I just bought 4 valves, maybe i will test one of them at higher pressure and then report back here.

9 Replies

6218 Views

Last post by Larda
Tue Aug 03, 2010 7:41 am
Poor man's valve block

Last post by irisher
Replies: 6
by irisher » Mon Aug 02, 2010 10:23 am

First post

I have been fiddling around with epoxy casting lately and I discovered a new technique that could help the forum. What I came up was that you can use...

Last post

Epoxy is very much one of those if at first you don't succeed... sort of techniques Wink
That could explain the row of failed epoxy work I have been...

6 Replies

2045 Views

Last post by irisher
Mon Aug 02, 2010 1:35 pm
Whats Your Favorite PVC Fitting Brand?

Last post by dewey-1
Replies: 20
by motorfixer1 » Sat Jul 24, 2010 6:31 pm
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I am new to this site but not to plastic pipe fitting and solvent welding. I was wondering if anyone has a favorite brand of fittings they use, I try...

Last post

My preference of PVC manufacturers is Spears for several reasons which are:

1) Very wide choice of fittings in both SCH-40 and SCH-80 pressure...
20 Replies

9496 Views

Last post by dewey-1
Wed Jul 28, 2010 9:00 am
What thickness For Threading

Last post by Gippeto
Replies: 4
by AlphaOmega » Tue Jul 27, 2010 12:45 pm

First post

What is the recommended pipe or tube thickness to hold threads safely

thanks in advance

Last post

As stated...too many variables come into play.

Get yourself a copy of Machinery's Handbook...it has the relevant engineering formula's and shows...

4 Replies

2589 Views

Last post by Gippeto
Tue Jul 27, 2010 1:57 pm
ammo for 6mm pipe?

Last post by Larda
Replies: 6
by fir3dp » Mon Jun 21, 2010 2:47 am

i have a pistol and it uses a 6mm barrel. any idea for a fast amo?
i cant really get BB in my country and i prefer darts. something damaging! :D...

6 Replies

3393 Views

Last post by Larda
Fri Jul 23, 2010 6:38 am
.22 pellet barrels? (UK)

Last post by qwerty
Replies: 6
by Xerxys » Thu Jul 22, 2010 5:01 am

First post

Does anyone know where to get a rifled barrel/barrel blank for .22 pellets in the UK? An internet dealer would be best. Thanks.

Last post

Ebay. Thats were i get mine. There not nesessarily (SP?) rifled but the fit .22 and .177 very well, they are also stainless steel.

B and Q has 4.5mm...

6 Replies

2660 Views

Last post by qwerty
Thu Jul 22, 2010 9:55 am
easy to mase disks that fit in 2" scd 40 pvc

Last post by maverik94
Replies: 6
by metalmeltr » Thu Jul 15, 2010 8:28 am

First post

Last night i was using my 2' cannon to launch 2x2s, for a tight seal with the barrel i used a
2 1/8 holes saw to cut holes in an old computer case....

Last post

OOOOOOOOHHHHHH. I understand now!! I looked up what I hole saw is. I gotcha now, I just didn't know what a hole saw was...now I understand. Good Idea!

6 Replies

2393 Views

Last post by maverik94
Thu Jul 15, 2010 10:52 pm
extremely easy .177 darts

Last post by covey12
Replies: 5
by covey12 » Thu Jul 08, 2010 9:24 pm

First post

i was shooting the good old red ryder that was hanging up on my wall from ages ago at some cans in my room, when i saw my moms sewing pins, these the...

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yeah i have those too jack but they cost much more than the bobby pins, and the drywall might be thinner, i just figured 1in. because it is pretty...

5 Replies

4760 Views

Last post by covey12
Sun Jul 11, 2010 3:07 pm
1/8th inch fittings

Last post by BigBang J
Replies: 12
by shadowwalker » Tue Jul 06, 2010 5:35 pm

First post

Does anyone know where I can get good looking 1/8th inch fittings? Specifically air fittings. I'm recycling my Supah + into a smaller and more...

Last post

Paintball fittings are nickle coated brass.

12 Replies

4130 Views

Last post by BigBang J
Sat Jul 10, 2010 8:19 pm
Is my chamber safe

Last post by Gun Freak
Replies: 7
by Gun Freak » Sat Jul 10, 2010 4:35 pm

First post

Well I finally decided to get off my butt and finish painting Superna, and the only thing left to do was put the name on. So I covered the white...

Last post

Cool, I was only pressing hard enough to make sure I got a clean cut through the tape so the stensil wouldn't get messed up so I think I'm fine. The...

7 Replies

2948 Views

Last post by Gun Freak
Sat Jul 10, 2010 8:10 pm
Uses for an old solenoid

Last post by Gun Freak
Replies: 15
by Gun Freak » Sun May 30, 2010 4:06 pm
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I have an old solenoid from an Orbit sprinkler valve, I was wondering if anybody ever put one to any good uses? I was thinking to make it push the...

Last post

Ah yes, alright cool thanks.
15 Replies

9728 Views

Last post by Gun Freak
Sat Jul 10, 2010 7:32 pm
servo pressure ratings

Last post by jackssmirkingrevenge
Replies: 13
by jackssmirkingrevenge » Sat Jul 10, 2010 5:32 pm

First post

Clutching at straws here, any reason why this would not work, assuming I'd drill a couple of equalisation holes in the servo casing to avoid it...

Last post

It will fit into the copper tube I used for the 12 bore, should be quite safe.

Alternatively I could have the piston rod extend out of the chamber...

13 Replies

3861 Views

Last post by jackssmirkingrevenge
Sat Jul 10, 2010 7:02 pm
things similar to bb's

Last post by lozz08
Replies: 12
by Stolly32123 » Thu Jul 08, 2010 6:50 am

First post

I live in australia and you cant get bbs here. i was wondering if there was anything the same size as bbs and easy to come by. it could be a rod that...

Last post

i have purchased these and they get through customs, when you buy them tell the seller to mark it as slingshot ammo and it WILL get through I have...

12 Replies

4058 Views

Last post by lozz08
Fri Jul 09, 2010 2:57 am
Expansion Tank?

Last post by HunterT
Replies: 13
by HunterT » Wed Jul 07, 2010 11:13 pm

First post

You now those tanks that are in a water system. They have a rubber bladder inside them charged with air. Then water is pumped around the bag and the...

Last post

Neither does mine.

13 Replies

5809 Views

Last post by HunterT
Thu Jul 08, 2010 10:12 pm
McMaster pressure rating...

Last post by Hotwired
Replies: 5
by saefroch » Wed Jul 07, 2010 3:36 pm

First post

I was looking through McMaster for a 3/8 pipe cross, when I came across this cross, part #4464K313.

It's rated to 150 psi, which seems painfully low...

Last post

Looks like the left hand side of the piston is within a section of pipe inside the fitting which could give the area difference to blow back the...

5 Replies

2013 Views

Last post by Hotwired
Wed Jul 07, 2010 4:08 pm
going slightly mad trying to find a hose barb :( (question)

Last post by Crna Legija
Replies: 4
by lemming124 » Wed Jul 07, 2010 6:26 am

First post

First of all sorry if this is in the wrong place or breaks a rule, I've checked and I'm fairly sure it doesn't.

I am attempting to replicate the...

Last post

i couldn't find them at bunning also, so brought a 3/4 inch barss nipple cut one end off and soldered a small section 1/2 inch pipe into it.

4 Replies

2323 Views

Last post by Crna Legija
Wed Jul 07, 2010 10:46 am
Shear strength of epoxy putty

Last post by btrettel
Replies: 17
by btrettel » Thu Jul 01, 2010 5:20 pm
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Most epoxy putties I've seen claim a shear strength of at least 700 psi. Is this approximately the shear strength I should expect when using the...

Last post

Thanks for all the help.

I suppose I'll heat the epoxy to reduce the viscosity.

My main worry is residual stress from the cooling. As a material...
17 Replies

15759 Views

Last post by btrettel
Tue Jul 06, 2010 10:47 pm
Advanced Auto Parts Aluminum Flashlight for pressure vessle

Last post by Technician1002
Replies: 6
by AlphaOmega » Sun Jul 04, 2010 4:31 pm

First post

Forgive me if this question has been previously asked in a similar manner. I have this small flashlight and was curious if anyone had a guesstimation...

Last post

I have had some of those 3 AAA flashlights that had poor threads. I had one strip out just by carrying it in my back pocket. Sitting on it a few...

6 Replies

3558 Views

Last post by Technician1002
Sun Jul 04, 2010 11:28 pm
Question for people who've used floating o-rings

Last post by jackssmirkingrevenge
Replies: 7
by Gun Freak » Thu Jul 01, 2010 6:12 pm

First post

... with a bolt/washer/nut combo. Couldn't fit all that in the title.

Anyway, the washer has two sides. One is square and the other is rounded....

Last post

As above, a slight bevel on the edge will ensure that the o-ring won't get torn, without affecting the capability of the rubber to seal.

7 Replies

3973 Views

Last post by jackssmirkingrevenge
Sat Jul 03, 2010 3:37 pm
how to make/produce air gun slugs ammo at home [ video ]

Last post by Crna Legija
Replies: 2
by sscustoms » Sat Jul 03, 2010 5:11 am

First post

hey all came up with lil vid today yo can see the video on the bottom wel anyway i came up with this its pretty much 2 pieces of wood with a hole the...

Last post

it is basically the same thing you make lead fishing sinker with at home but of wood.

2 Replies

4040 Views

Last post by Crna Legija
Sat Jul 03, 2010 5:51 am
Question for people who've used floating o-rings

Last post by Gun Freak

by Gun Freak » Thu Jul 01, 2010 6:10 pm

.... with a bolt/washer/nut combo. Couldn't fit all that in the title.

Anyway, the washer has two sides. One with a square edge and one is curved....

0 Replies

4070 Views

Last post by Gun Freak
Thu Jul 01, 2010 6:10 pm
A warning about latex tubing

Last post by Gun Freak
Replies: 9
by btrettel » Thu Jun 24, 2010 3:52 pm

First post

I did something stupid and I think I should tell others about it so they avoid potentially going deaf.

Latex tubing can be used as a simple constant...

Last post

Haha... reminds me of when my old bike tire popped when me and my brother both rode it at the same time... it was freaking loud lol :D

9 Replies

3612 Views

Last post by Gun Freak
Sun Jun 27, 2010 6:07 pm
types of solid plastic balls

Last post by c11man
Replies: 7
by c11man » Thu Jun 24, 2010 9:16 am

First post

for my current project i am looking at getting solid 1inch plastic balls for the ammo. i fount 2 fairly cheep options of either HDPE ($0.14 each) or...

Last post

i think i am going to order the HDPE ones. and i think 200 should last quite awhile before i have to pick them back up off my back stop even out of a...

7 Replies

2314 Views

Last post by c11man
Thu Jun 24, 2010 3:13 pm
how to make a simple, easy to mass produce ammo?

Last post by squishie
Replies: 10
by raptorforce » Fri May 28, 2010 12:08 pm

First post

how would you make a simple cartridge that can hold a 12 gram co2 cartridge.
This would be the equivalent of the brass part of a bullet cartridge...

Last post

ha squishie i like your take on things, its outside the box

thank you!! feels good to know your own opinions and takes on things are appreciated...

10 Replies

5134 Views

Last post by squishie
Thu Jun 24, 2010 12:51 am
GGDT error

Last post by mobile chernobyl
Replies: 1
by AlphaOmega » Tue Jun 22, 2010 1:56 pm

First post

Hello I am running windows 7 on a new laptop i purchased and just
re-downloaded ggdt from D-Halls website i extracted the files to the correct...

Last post

right click -> properties -> compatibility -> run this program in compatibility mode for : windows XP SP3 I chose.

I read it somewhere else on here...

1 Replies

1810 Views

Last post by mobile chernobyl
Tue Jun 22, 2010 2:57 pm

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