Pneumatic Cannons

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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

897434 Views

Last post by quinn whitsitt
Fri Feb 09, 2024 2:38 pm
Directional Control Valves (3way valves and stuff like that)

Last post by jpalf1
Replies: 86
by POLAND_SPUD » Sun Mar 07, 2010 1:12 am
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Directional Control Valves, commonly refereed to as 3,4,5 etc. valves or spool/poppet valves etc., can be very useful for spuders.
They can be used...

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very,useful info for a beginner such as myself.The links are great as well.Thankyou.(you won't believe this but as i was reading,my fridge comp...
86 Replies

436334 Views

Last post by jpalf1
Sat Apr 13, 2013 10:53 am
Sprinkler Valve Troubleshooting Guide

Last post by quinn whitsitt
Replies: 64
by noname » Sat Jun 16, 2007 12:15 am
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Sprinkler Valve Troubleshooting

This is a guide to sprinkler valve problems. Before creating a new topic to ask questions on why your valve isn't...

Last post

great job everyone
64 Replies

370771 Views

Last post by quinn whitsitt
Thu Feb 22, 2024 2:18 pm
Piston Valves Explained Visually

Last post by pavina
Replies: 178
by clide » Mon May 14, 2007 11:21 pm
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I had this posted on Spudtech, but I am reposting it here to hopefully help some people out and allow for discussions/updates.

Well I made this...

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Thanks for sharing this! It might also be useful to mention how friction and maintenance can affect performance over time. Looking forward to more...
178 Replies

614199 Views

Last post by pavina
Fri Sep 27, 2024 4:05 am
"How Much CO2 do I need?"

Last post by choke
Replies: 32
by BC Pneumatics » Sun Apr 01, 2007 9:52 pm
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For all those people out there looking for a rough idea of how much CO2 they will need for a chamber of any given size-
Just multiply the volume of...

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Great piece of software :) I've been kicking numbers round my head for a while now, and wondered if someone here could confirm. I'm filling a 1.5 dia...
32 Replies

326943 Views

Last post by choke
Thu Jul 04, 2013 2:38 pm
Valve Cutaways

Last post by jhalek90
Replies: 8
by PCGUY » Sat Feb 26, 2005 9:10 pm

First post

VALVE CUTAWAY

Provided By - Longshot

These are some pictures of some of the most popular valves used on spud cannons. Only difference is, these...

Last post

Can someone fix the picture links??

8 Replies

77835 Views

Last post by jhalek90
Wed Oct 07, 2009 2:13 pm

Topics

filling dead space in pump with fiberglass resin....

Last post by lockmanslammin
Replies: 6
by lockmanslammin » Sun Mar 09, 2008 4:44 pm

First post

Do any of you know if fiberglass resin will harden in an enclosed space?
I blocked off the check valve and pressure gage by supergluing little disks...

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In two parts I suppose it is a pump action rifle... The pump is 3 foot tall though, so It would be impractical to attach to the gun. If you want to...

6 Replies

1532 Views

Last post by lockmanslammin
Sun Mar 09, 2008 8:29 pm
Bad union...

Last post by koolaidman
Replies: 12
by Counterstriker » Sun Mar 09, 2008 2:24 pm

First post

I bought the 2 union and put on my burst disk cannon.. I tried it out today and when I use beer can material and it leaks.. It leaks with aluminum...

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youre not going crazy tho man, i get the same thing. i cant get past 30 psi, it leaks between the aluminum foil somehow. I did try oiling the union...

12 Replies

1974 Views

Last post by koolaidman
Sun Mar 09, 2008 6:53 pm
Lacrosse Ball Barrel

Last post by scubadude2x9
Replies: 27
by EngagRelyt » Fri Mar 07, 2008 10:45 pm
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What size or type of pipe ABS, PVC or Conduit fits lacrosse balls the best. And what is the difficulty of finding one of them?

Thanks in Advance

Last post

exploding toys and rockets

Elaborate.

well you know how a soda bottle or a water bottle fits well into a 3 barrel? well check this out.. i fired...
27 Replies

4671 Views

Last post by scubadude2x9
Sun Mar 09, 2008 3:08 pm
Is this a good idea for my first?

Last post by Jack_Hogg
Replies: 12
by Jack_Hogg » Sat Mar 08, 2008 4:17 am

First post

Well, i'm going to make my first pneumatic 8)
So, yea.. do guys think that this is a good idea??

I'm worried about the trigger mechanism.. How...

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Well, then i am going to make this as my first:

12 Replies

2715 Views

Last post by Jack_Hogg
Sun Mar 09, 2008 10:59 am
Portable "Snappy Tom" Pneumatic Cannon

Last post by Hydra
Replies: 16
by Ronaldo Sanchez » Wed Mar 05, 2008 5:08 am
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This is my first pneumatic cannon, Snappy Tom. It's fully portable and self contained.

Valve - Modified Nylex Rainbird composite.

Chamber/stock...

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Whoa.. Nice Cannon. It looks awesome in a weird sort of way, cuz it looks all complicated and stuff.
16 Replies

9078 Views

Last post by Hydra
Sun Mar 09, 2008 3:53 am
Modding a Pump

Last post by MrCrowley
Replies: 28
by MrCrowley » Fri Mar 07, 2008 7:37 pm
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Hey,

I bought a pump from Mitre10 a few weeks ago for about $15. It wasn't in a box and had no info. So I thought i'd see how high I could take it....

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No compressor :( Though the heater did go reasonably cold, must of just been the fan.
28 Replies

6636 Views

Last post by MrCrowley
Sun Mar 09, 2008 12:14 am
piston qn I need settled

Last post by pizlo
Replies: 7
by pizlo » Sat Mar 08, 2008 12:24 am

First post

Well with disappointment earlier today I found out I wouldn't have access to a lahte until monday, which totally sucks ass because I'll have a...

Last post

Yeah, and I was so close to making JSRs day. The epoxy tube was so close to being my smaller sealer, but alas it was a bit too big. It would have...

7 Replies

792 Views

Last post by pizlo
Sat Mar 08, 2008 5:21 pm
Burst Disk?

Last post by Counterstriker
Replies: 27
by Counterstriker » Sat Feb 23, 2008 6:08 pm
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I am new to Burst disk guns but not to valves.
Could someone gimme an idea on how they work maybe a diagram? I am not asking for ideas just the...

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I will do that after I try this bad boy out. But bad news is that I had to get a 1.5 piece of pvc for the barrel cause they don't carry 1 inch... its...
27 Replies

6533 Views

Last post by Counterstriker
Sat Mar 08, 2008 2:11 pm
P-36c devastator

Last post by nivekatoz
Replies: 16
by Sticky_Tape » Sun Mar 02, 2008 1:07 pm
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This is my copper rifle. I'm not going to go into detail on this post but if you have any questions you can post them here.

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You could also make darts out of wire nuts. Just get some music wire or nails and epoxy them through the wire nut ....they work great.....
16 Replies

4602 Views

Last post by nivekatoz
Sat Mar 08, 2008 9:47 am
thought you guys might like this link...precharged pneumatic

Last post by jackssmirkingrevenge
Replies: 1
by lockmanslammin » Fri Mar 07, 2008 8:32 pm

First post

looks interesting.

Last post

They've been mentioned before, have a look here - it's a simple design, but not really efficient or practical for spudgun purposes.

1 Replies

687 Views

Last post by jackssmirkingrevenge
Sat Mar 08, 2008 1:52 am
300+ psi Whammy gun.

Last post by Mitchza89
Replies: 46
by Mitchza89 » Thu Mar 06, 2008 3:09 am
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This is the latest in my arsenal. It's an 8mm Boomstick. I've never made a gun so powerful. I got shitty with schrader valves leaking so I hooked up...

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If you have access to a lathe, try and make yaself a solid machined piston out of solid rubber. I found a rubber cork at my local pool shit place...
46 Replies

13419 Views

Last post by Mitchza89
Sat Mar 08, 2008 1:15 am
Solvent Welding Help

Last post by jrrdw
Replies: 6
by EngagRelyt » Fri Mar 07, 2008 3:26 pm

First post

I have built a pneumatic gun, and I have solvent welded it with primer and cement. I made sure to put an even layer of cement.

But is was pretty...

Last post

MrCrowley probly hit the nail on the head, your cement is probly out of use by date. You also mite want to go to www.ipex.com they have a free online...

6 Replies

1706 Views

Last post by jrrdw
Fri Mar 07, 2008 4:20 pm
stirrup pump question

Last post by dongfang
Replies: 20
by lockmanslammin » Wed Mar 05, 2008 12:36 pm
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I'm in the middle of a stirrup pump build, and I believe I did my initial calculations wrong. I'm using 3/4 type L copper wich has an id of .785 ....

Last post

Hi,

Thanks for the explanation on the floating O-ring.

Regards
Soren
20 Replies

4823 Views

Last post by dongfang
Fri Mar 07, 2008 3:19 am
need help.. need a pnuematic. can anyone help?

Last post by pizlo
Replies: 13
by scubadude2x9 » Thu Mar 06, 2008 5:45 pm

First post

so i have been making air cannons for about one year now and my latest design is unreal but my brother had a t-shirt launcher powered by a pneumatic...

Last post

Another thing you should know is DON'T GIVE UP, My first gun leaked and sucked in general, my second was an attempt at a coax that failed, my third...

13 Replies

2401 Views

Last post by pizlo
Thu Mar 06, 2008 8:27 pm
Felt Guilty Not Posting This

Last post by EGOed
Replies: 20
by ammosmoke » Wed Mar 05, 2008 1:13 am
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Well, I saw this, and I decided that it just wouldn't be nice to not put it. I don't know what sort of operation speed these have, but they look very...

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These look to be LP gas service valves and are rated for very low pressure applications....25 psi max........You should be looking for the Asco dust...
20 Replies

4180 Views

Last post by EGOed
Thu Mar 06, 2008 1:50 pm
Mortar Idea

Last post by bigbob12345
Replies: 71
by Sergeant Dotson » Mon Mar 03, 2008 7:11 pm
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This is just an idea, which is now reality, I had to launch a small Co2 canister. Basically what would happen would be, I would drop the canister...

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I just saw the new pic it is much clearer.
Well I am still going to say it all looks good I dont see anything wrong with it. Have you pulled the...
71 Replies

12479 Views

Last post by bigbob12345
Thu Mar 06, 2008 10:13 am
1'' piston

Last post by th3p0p0
Replies: 15
by elitesniper » Wed Mar 05, 2008 9:27 pm
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hey guys, yes ive searched but i havent found any thing that fits 1'' sch40 pipe as a good durable piston body, you guys have any suggestions?

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i used to use a 3/4 copper cap. it needs a little bit of tape tho.
15 Replies

3674 Views

Last post by th3p0p0
Thu Mar 06, 2008 1:28 am
Ball valve trigger question

Last post by OuchProgramme
Replies: 17
by hotknife ralphie » Tue Mar 04, 2008 5:27 am
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Evening, I was wondering if something like this would work?

I know that it would work far better if I were to use a sprinkler valve or a piston...

Last post

That is actually a very good idea and would increase opening time quite a bit if you pull hard.
ill have to try that, simple but effective

That's...
17 Replies

7390 Views

Last post by OuchProgramme
Thu Mar 06, 2008 12:15 am
semiminimidsized coax

Last post by elitesniper
Replies: 11
by elitesniper » Tue Mar 04, 2008 10:43 pm

First post

Well i didnt know if this was a mini or a normal coax, o well i just posted here, will this is my lasted project, specs are , 3/4 sch 80 chamber,...

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thanks guys um i just drilled a hole in a 3/4 endcap and put the barrel in with some epoxy around the gaps :)

11 Replies

3189 Views

Last post by elitesniper
Wed Mar 05, 2008 6:46 pm
Help with sprinkler valve...

Last post by Carlman
Replies: 26
by madmanmick » Sun Mar 02, 2008 2:52 am
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Hi, I'm having a problem with my sprinkler valve. I have searched the forums and can't find anything about this, though im sure it's a fairly common...

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good for you mate :D, are you the only one in contention or what?
26 Replies

7029 Views

Last post by Carlman
Wed Mar 05, 2008 11:27 am
Interesting find on McMaster Carr

Last post by Gippeto
Replies: 4
by Wombat » Tue Mar 04, 2008 6:02 pm

First post

I'm not sure if anybody has posted this yet, but if you type in piston cups into McMaster's search box, there are some pretty useful items that come...

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I think you'll find they work rather well. :)

4 Replies

2352 Views

Last post by Gippeto
Wed Mar 05, 2008 1:01 am
My First Pneumatic! :D

Last post by f.c
Replies: 4
by camdaman38 » Tue Mar 04, 2008 7:32 am

First post

ok this may be a newbie question but i need some help.

ok i have around about 1m of spare 2 sch 40 pvc and was the part of the barrel for my...

Last post

for the schrader go to a tire and auto shop and as for one they generally give them to you for free, because they replace them after each service.

4 Replies

2265 Views

Last post by f.c
Tue Mar 04, 2008 5:03 pm
Piston cannon help

Last post by mopherman
Replies: 2
by Acdcmonkey1991 » Tue Mar 04, 2008 12:58 pm

First post

I am currently working on a new piston gun (my first piston gun), and I was wondering how I can get the barrel inside the chamber? THe gun is all...

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What i did (and probably mitch) was grind out the stop in a compression fitting. be sure to get it all though, or it'l be crooked.

2 Replies

1081 Views

Last post by mopherman
Tue Mar 04, 2008 1:30 pm
3" Piston Problems

Last post by dongfang
Replies: 10
by fireman565 » Thu Feb 14, 2008 10:53 pm

First post

OK.. working on my fourth spun gun. I've made two combustion (simple), and one pneumatic involving an Rainbird anti-siphon between a 4'x2 barrel and...

Last post

Hi,

Nice that u got it working.

If it opens at all, just a little, then the back pressure of the projectile on the front of the piston will...

10 Replies

2900 Views

Last post by dongfang
Tue Mar 04, 2008 11:07 am
Where to find 3/16'' ID or 1/4 ID

Last post by vic1300
Replies: 18
by vic1300 » Sat Feb 16, 2008 12:27 pm
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Do you know where I can find those pipe size? I have heard something about break lines.

Last post

Well I'll go to another shop, because they asked me the serial number and some other stuff but not the size...
18 Replies

6264 Views

Last post by vic1300
Tue Mar 04, 2008 9:13 am

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