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

943566 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

824062 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...

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

221634 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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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

5182242 Views

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

Topics

Long Range Ammo idea

Last post by RJB INDUSTRIES
Replies: 33
by inventorguy1000 » Thu Apr 12, 2012 1:26 pm
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I saw this new blade-less fan from Dyson, it uses the Coanda Effect to multiply the air going into it to up to 15 times the volume going out of it....

Last post

When a cloud of hydrogen is formed around the Target, we turn on the ignition remote system and it explodes the area in less than a second.......
33 Replies

16679 Views

Last post by RJB INDUSTRIES
Wed May 02, 2012 4:27 pm
Biulding the Perfect Sabots

Last post by Ryan00101101
Replies: 25
by Jared Haehnel » Sat Feb 23, 2008 11:29 am
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So here’s the perfect sabot round for any spud gun. Well any large bore spud gun. Its reusable and you don’t have to walk a hundred yards to retrieve...

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I found for a 2 air cannon I rip the blue foam board to pieces. The best method of shooting a big dart is to use paper towel and duct tape. Fold the...
25 Replies

13018 Views

Last post by Ryan00101101
Tue Apr 24, 2012 10:56 pm
.177 barrels.

Last post by warhead052
Replies: 18
by warhead052 » Mon Apr 16, 2012 6:52 pm
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Anyone know of a good place to get .177 barrels? I need to get a length of about 9 to make a silencer for my pellet/bb gun I got in a box of guns and...

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Well, I drilled out part of the muzzle (plastic part, not the barrel) and I am looking around my house for some tube that will fit, then I will drill...
18 Replies

7218 Views

Last post by warhead052
Wed Apr 18, 2012 11:27 am
Strength concerns

Last post by battlelava
Replies: 9
by battlelava » Mon Apr 09, 2012 9:17 pm

First post

Does anyone have a rough estimate at what galvanized pipe is good up to, its not rated for pressure but its 1/4 thick so i'm guessing it can take a...

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This pipes not threaded I was going to butt joint weld them together. I was going to ramp up the machine and really lay a fat bead like u suggested....

9 Replies

3285 Views

Last post by battlelava
Tue Apr 10, 2012 5:54 pm
Strength Of A Brazed Joint Under Pressure?

Last post by Goats spudz
Replies: 36
by cammyd32 » Wed Apr 04, 2012 4:11 pm
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Hello folks! so, I have found myself in a situation where I shall need be doing a lot of brazing for parts of my next contraption. (One that I can...

Last post

Ideally you would need oxy/fuel for brazing aluminium
Not for this stuff: :wink: id say go for it then fill it with water and pressurize it to...
36 Replies

23190 Views

Last post by Goats spudz
Mon Apr 09, 2012 4:49 pm
how to connect wires?

Last post by jsefcik
Replies: 11
by jsefcik » Fri Apr 06, 2012 11:32 am

First post

I have a spudgun that i havent had the chance to get an ignitor for and want to get it back into running order, i had a stun gun on it, but it shit...

Last post

I doubt you can solder to the stun gun's electrodes. Solder won't take to stainless steel worth a crap. (Solder is meant for copper, preferably tined...

11 Replies

4216 Views

Last post by jsefcik
Fri Apr 06, 2012 6:30 pm
too much ammo and no cannon....

Last post by kydavies
Replies: 8
by kydavies » Mon Apr 02, 2012 3:16 pm

First post

I've had 16lbs of 1cm lead shot sitting around for more than a year and i need to get rid of it. I'm considering a throwback to an old school ball...

Last post

unfortunatly im not big on real fire arms (never shot a real gun, nor have i been around when they were in use). Basically i dont have shotgun shells...

8 Replies

4241 Views

Last post by kydavies
Tue Apr 03, 2012 12:05 am
Fridge compressor

Last post by SpudFarm
Replies: 11
by SpudFarm » Sat Jan 21, 2012 4:32 pm

First post

Yes yes, I know! It has been asked before and I have looked at some threads regarding my problem but could not find a defenetive answer.

Problem:...

Last post

Damn, I am not used to this forum thing anymore, forget to reply!

Turned out the compressor is not the problem, I drilled and threaded a hole in the...

11 Replies

5483 Views

Last post by SpudFarm
Fri Mar 23, 2012 5:59 pm
Two 2 inch sprinkler valves for sale.

Last post by mattyzip77
Replies: 4
by trae08 » Mon Mar 05, 2012 10:48 pm

First post

Price is 30 bucks shipped. They are not modded. But if you want to buy one i will happily mod it for you with a blow gun or 1/4 inch ball valve. You...

Last post

Is that 30 bucks a piece, or for both???

4 Replies

3193 Views

Last post by mattyzip77
Sun Mar 11, 2012 10:24 am
High voltage/current ignition Long time no see)

Last post by Hotwired
Replies: 12
by Mr.Tallahassee » Mon Mar 05, 2012 12:24 am

First post

I have found an excellent circuit to use as ignition for anything from a standard combustion to a high-pressure hybrid. It uses an ignition coil, an...

Last post

Come on, don't promote BS from the companies that make stunguns.

100,000V

500,000V

900,000V

You REALLY think a stun gun with a spark gap of an...

12 Replies

6424 Views

Last post by Hotwired
Wed Mar 07, 2012 9:24 am
Propane meter materials

Last post by MrCrowley
Replies: 5
by Essohbe » Tue Feb 28, 2012 9:23 am

First post

Would it suffice to use PVC for a propane meter or not? Maybe a piece of schedule 80 just to be sure?

Last post

I agree with Jack, especially since the most likely PVC pipe to be used for the meter would be 1 in diameter or less; which can take a helluva lot of...

5 Replies

2185 Views

Last post by MrCrowley
Thu Mar 01, 2012 2:15 am
cutting dovetails?

Last post by Gippeto
Replies: 7
by urgle the danish cow » Sun Feb 19, 2012 5:45 pm

First post

i want to put sights on a long term project that is being machined out of aluminuim but how do i make the rails? im not 100% sure on how to cut it....

Last post

You should not do such things to a pressure vessel IMNSHO.

Perhaps consider something along these lines to mount the rail.

7 Replies

3675 Views

Last post by Gippeto
Wed Feb 22, 2012 12:18 am
Questions about compression systems.

Last post by Fnord
Replies: 3
by madmarcs » Sun Feb 19, 2012 5:48 pm

First post

I have a few questions about compression systems. Overall i was wondering what i could use instead of bike pumps (not very practical for airsoft). I...

Last post

First of all, I would advise against using a pvc chamber with CO2. If it can't be avoided, add a high-flow popoff valve. A steel pipe-and-fittings...

3 Replies

1901 Views

Last post by Fnord
Sun Feb 19, 2012 8:12 pm
Fire extinguisher

Last post by Gippeto
Replies: 2
by K8TOW » Sun Feb 19, 2012 2:40 pm

First post

i have been using a 4 barrel for the pressure side of the antenna gun.i quit using it when i forgot to glue 1 joint and at 80 psi,it blew apart.i now...

Last post

ok... thanks for the information :lol:

X2

Important step that....actually gluing (solvent welding) the joints that is. :roll:

2 Replies

2684 Views

Last post by Gippeto
Sun Feb 19, 2012 3:29 pm
piston materials

Last post by mattyzip77
Replies: 18
by ThatGuy » Sun Feb 05, 2012 1:19 am
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Will these parts work for a 1 barrel?
Its a 3/4 PVC cap (a bit bigger than 1 pipe), a screw and nut, and a rubber packing sheet I got at Lowes....

Last post

Use a rubber sanding drum for a piston, I have had good luck with them
18 Replies

8645 Views

Last post by mattyzip77
Sat Feb 18, 2012 6:58 pm
"realistic" fire

Last post by battlelava
Replies: 13
by battlelava » Thu Feb 09, 2012 1:24 pm

First post

Hey haven't been on in a while but I'm starting to build a combustion after figuring i can't make my flak 88 just yet (not given up). What im trying...

Last post

So I just thought of something of major importance safety wise. I need to find a way to prevent a live casing from being used (not trying to break...

13 Replies

5586 Views

Last post by battlelava
Sat Feb 11, 2012 12:20 am
Torpedo Ammo 1" barrel

Last post by jackssmirkingrevenge
Replies: 5
by usdiver63 » Tue Feb 07, 2012 9:56 pm

First post

Hey all,

I found these cool little torpedos while on the hunt for new ammo they make excellent little projectiles and are weighted.

I found them...

Last post

old but good idea :)

Also hehe:

5 Replies

3408 Views

Last post by jackssmirkingrevenge
Wed Feb 08, 2012 12:33 am
can i solder it?

Last post by Gippeto
Replies: 12
by urgle the danish cow » Sun Feb 05, 2012 12:27 pm

First post

i am working on a new air rifle and to save space i want to machine the air chamber, but i don't have large threads and no welding equipment. so if i...

Last post

Need to know the material and its condition to answer that.

I've used 7/8 od x .065 wall normalized 4130 seamless tubing for pcp's @ 3000psi...

12 Replies

4888 Views

Last post by Gippeto
Mon Feb 06, 2012 12:28 am
Free stuff Mirrabooka Perth Australia

Last post by urbanfarm
Replies: 8
by urbanfarm » Sun Nov 06, 2011 2:46 am

First post

Have some odds and ends that may be useful for someone see as I have little time for making anything with them, pm me for pickup or drop off close...

Last post

The air sprayer is a plastic handled pistol grip brand is Command air, the ratings are not mentioned.

8 Replies

5510 Views

Last post by urbanfarm
Sat Feb 04, 2012 3:20 am
3" Sprinkler Valves

Last post by evanmcorleytv
Replies: 7
by Jimmy K » Sat Jan 28, 2012 4:04 pm

First post

I have two modded 3 sprinkler valves not doing anything in my barn. I'll sell one or both if anyone wants them. They're exceedingly hard to find....

Last post

Could you bring one to Tuscaloosa for me? If so, then I'm interested in buying!!

7 Replies

2802 Views

Last post by evanmcorleytv
Sun Jan 29, 2012 10:54 pm
ggdt hammer valve

Last post by quark1980
Replies: 8
by quark1980 » Fri Jan 27, 2012 6:31 am

First post

hi there,

i made a topic in the pneumatic section, for a launcher im building, and now im a bit stuck with ggdt.

i made my own...

Last post

i see. but isn`t there a formula to determine say hammer force
i know its not the static spring force. othewise it would state as such right?

You...

8 Replies

4222 Views

Last post by quark1980
Fri Jan 27, 2012 12:39 pm
where can i get soda stream bottles?

Last post by Moggle NZ
Replies: 3
by urgle the danish cow » Thu Jan 26, 2012 6:18 pm

First post

im looking for a strong and high volume air tank so i was wondering where i can get soda stream bottles? if there are other alternatives let me know...

Last post

u can buy them from stores that sell soda stream
u can use a fire exstigwisher
or a paint ball tank

rolf on my spelling

3 Replies

2147 Views

Last post by Moggle NZ
Fri Jan 27, 2012 12:58 am
Do I have to use a PVC adapter?

Last post by Proxywars
Replies: 11
by ThatGuy » Thu Jan 26, 2012 7:24 pm

First post

In a piston cannon I am working on I am using 1 pipe as a barrel but want to have the last 6-8 Inches be 1 1/4 Pipe to allow larger projectiles.

Do...

Last post

Haha ya just make sure you dispose of them once the get bigger in the center or you will have dead grass. :D

11 Replies

5224 Views

Last post by Proxywars
Thu Jan 26, 2012 11:55 pm
What is this electrovalve / solenoid valve.

Last post by victorjung
Replies: 11
by victorjung » Fri Jan 13, 2012 3:48 pm

First post

Hi, everybody, here some pics of a solenoid valve from an expresso machine.
I don't know how it works, how to plug it and how to use it, i also don't...

Last post

OHH yes, it's DC.... i think it's kinda hard to have 207 V in DC, i think, i will abort the idea to reuse it for something...

11 Replies

6265 Views

Last post by victorjung
Sun Jan 15, 2012 2:52 am
fuel injection components question

Last post by Crna Legija
Replies: 2
by thatdudejerms » Wed Jan 04, 2012 4:00 pm

First post

So I never really got around to building the truely beastly spudgun i always imagined buildng, and now that I'm older I think its time. I know most...

Last post

Look it up in the wiki its packed full of info about full meters and every thing spud gun related.

2 Replies

1766 Views

Last post by Crna Legija
Thu Jan 05, 2012 5:29 am

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