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

1201710 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...

Last post

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

604958 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

857902 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

1020910 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

392605 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

100079 Views

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

Topics

Chamber Barrel ratio (Pneumatic)

Last post by JDP12
Replies: 20
by carl2.0 » Wed Dec 12, 2007 6:13 pm
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Hey guys

I just want to know what is the chamber barrel ratio for pneumatics. I heard that combustions have a diff ratio

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yea go with GGDT, easy, simple, and saves a lot of time and trouble.

also, i forget who said it, but pneumatics are entirely dependent on valve...
20 Replies

8903 Views

Last post by JDP12
Thu Dec 13, 2007 6:31 pm
Toro sprinkler Valve modification ???

Last post by VH_man
Replies: 17
by carl2.0 » Wed Dec 12, 2007 8:01 pm
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I FINALLY got my sprinkler valve thats cost me nearly $50 US wtf but anyway its a toro 3/4 male thread valve. I was wondering if i could just mount...

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I'm not sure why the valve is more powerful, but compared to my water master valve this valve gives a nice BANG while the water master goes...
17 Replies

5357 Views

Last post by VH_man
Thu Dec 13, 2007 11:00 am
3/4" Valve Preformance

Last post by mega_swordman
Replies: 10
by mega_swordman » Thu Dec 06, 2007 10:33 am

First post

With the end of the school semester and my return to the states looming over my head, I decided it would be best to start planning what my next...

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The barrel will be 1 1/2 and the sprinkler valve ( and corresponding parts around it) will be 1 .

Thanks a lot, I get it now.

10 Replies

3085 Views

Last post by mega_swordman
Thu Dec 13, 2007 4:15 am
extreme pressure sources

Last post by iknowmy3tables
Replies: 29
by iknowmy3tables » Sat Dec 08, 2007 3:40 pm
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I'm making this topic to discuss extreme pressure sources and alternitives to $2000+ pumps, this is an extension of my other thread only now it's not...

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surely the water will be 'sucked' out though?
well what would replace the space if it did, when I suck water with a straw the water level goes down...
29 Replies

6831 Views

Last post by iknowmy3tables
Wed Dec 12, 2007 11:01 pm
TCBC-First Pneumatic cannon

Last post by strangers
Replies: 12
by strangers » Wed Dec 12, 2007 11:28 am

First post

TCBC
Tri-Chamber Ball-valve Cannon
Specs:
Resevoir- 16.p Fl. oz. pop bottle x3 plus several lengths of .5 CPVC and fittings
Valve- 3/4 Ball-valve...

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Did I mention the only thing I had to buy was the ball valve? This was a very cheap cannon. I didn't want to spend any money on the cross.

12 Replies

3296 Views

Last post by strangers
Wed Dec 12, 2007 8:54 pm
Muzzle Brakes?

Last post by VH_man
Replies: 36
by VH_man » Tue Dec 11, 2007 4:33 pm
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Well, i was researching and i found that a muzzle brake does far more than just look BadA**. It actually reduces recoil a TON....

i was just...

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that right there is actually a flash hider. but it still looks cool!!!!!!
36 Replies

9028 Views

Last post by VH_man
Wed Dec 12, 2007 11:35 am
Metal Piston Valve Questions

Last post by cwazy1
Replies: 6
by cwazy1 » Mon Dec 10, 2007 11:44 pm

First post

So I am making an all metallic pneumatic cannons at which the opperating pressure will be 200psi. it has a copper 1 chamber thats 34 long and has a...

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yeah thats what im thinking i'll do. im prolly not going to build another cannon, so i'll just stick it on there.

so update, i built my piston...

6 Replies

2886 Views

Last post by cwazy1
Tue Dec 11, 2007 11:31 pm
New Epoxy Piston.

Last post by rna_duelers
Replies: 15
by rna_duelers » Tue Dec 11, 2007 2:03 am
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I'm going to give my MR. Wilson Cannon a workout this summer so I have replaced the piston and given the whole gun a clean.

I used a Piston moulded...

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Well I'm going to do some shopping around this afternoon to fix my compressor so I will do it all in one hit and get everything I need to get the gun...
15 Replies

4067 Views

Last post by rna_duelers
Tue Dec 11, 2007 10:49 pm
Some help before.....

Last post by Mr. Beaver
Replies: 22
by Mr. Beaver » Mon Dec 10, 2007 6:08 pm
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so i'ts like this i'm going to buy the stuff for my first pneumatic cannon in a day or two and it's down to this :
i already got the plans of what i...

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ty but i'm done with the C:B ratio it's not complicated after you got it the first time ..... :roll:
22 Replies

5451 Views

Last post by Mr. Beaver
Tue Dec 11, 2007 6:25 pm
Solid Rubber Pistons.

Last post by ALIHISGREAT
Replies: 22
by Mitchza89 » Sun Dec 09, 2007 9:23 pm
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Well lads,

Looks like I've fixed the constant problem thats plagued me since I first got into small bore high pressure guns, the sealing face always...

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nice idea.

legos+spudguns= :D

Did anyone used to have K'nex? i can see that being useful and the rods are 6mm so i might sharpen some and shoot...
22 Replies

5688 Views

Last post by ALIHISGREAT
Tue Dec 11, 2007 9:47 am
Water Cannon Concept (think firehose)

Last post by mega_swordman
Replies: 5
by Zippster » Mon Dec 10, 2007 7:31 pm

First post

At my friends b-day the other day, he filled his small pneumatic's chamber full of water, then with the shop air still attached and open, he simply...

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It's all been done (Barenaked ladies anyone? Woohoohoo) Anyway, it was done and documented on Xinventions . Until I can get my internet to work...

5 Replies

2075 Views

Last post by mega_swordman
Tue Dec 11, 2007 4:50 am
Wich faster ball valve or unmodded sprinkler?

Last post by jackssmirkingrevenge
Replies: 6
by Extrusion » Fri Oct 20, 2006 11:42 pm

First post

i know the ball valve speed depends on how fast you can pull it back and i normally just smack it backwards but i cant help but feel the air still...

Last post

how do you spring load a ball valve??????

like this , but the benefits compared to a modded sprinkler valves are minimal.

6 Replies

3129 Views

Last post by jackssmirkingrevenge
Tue Dec 11, 2007 12:38 am
Carry Air Tank

Last post by hi
Replies: 15
by elitesniper » Sun Dec 09, 2007 11:45 am
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Hey guys i just bough at 5 gallon carry air tank
and I im asking if i can unscreaw the tire chuck line and replace it with a quick connect or some...

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ive connected it to my compressor before, it works very well, better and faster than using the valve thats on there.

ps- if you want a good work...
15 Replies

4742 Views

Last post by hi
Tue Dec 11, 2007 12:19 am
My First Two Cannons

Last post by MrCrowley
Replies: 33
by dapallox1 » Mon Oct 15, 2007 11:23 pm
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My First Cannon
Chamber: 1.5 PVC pipe
Valve: 1.5 Ball Valve
Barrel: 2 PVC pipe

After a few days of stuffing different combo's of rags &...

Last post

Like this:
33 Replies

10796 Views

Last post by MrCrowley
Mon Dec 10, 2007 11:26 pm
C02 Cost?

Last post by Lftndbt
Replies: 16
by The Kid » Fri Dec 07, 2007 7:35 am
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Well my mum recently purchased a soda stream, for no familiar with a soda stream it makes soft drink and to carbonate the water c02 is used. I'm not...

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nah i could buy a regulater here from bunnings for about $120 mabey cheaper at the engenering shop

Funny you should mention bunnings.... Whilst at...
16 Replies

6444 Views

Last post by Lftndbt
Mon Dec 10, 2007 11:20 pm
Christmas Present!

Last post by Ragnarok
Replies: 12
by Pilgrimman » Mon Dec 10, 2007 12:57 am

First post

Not for you, you greedy bastards :D

I am considering making my father a spudgun for his christmas present, as he has neither the time nor the...

Last post

I did the same thing as Maxus... or he did the same as me... or something... actually, we both copied it from someone else entirely.

A bolt piston...

12 Replies

2670 Views

Last post by Ragnarok
Mon Dec 10, 2007 6:06 pm
SG-Vengeance Golfball Gun

Last post by MrCrowley
Replies: 49
by MrCrowley » Sat Nov 24, 2007 10:34 pm
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This is my last gun I bought parts for in America, it completes my American Spudgun stock pile :P

All three guns I've made with American parts are...

Last post

Update:

T-Shirt Barrel, was originally my 80mm DWV chamber from my very first combustion, which I decided did better as a T-Shirt barrel, so I cut...
49 Replies

14580 Views

Last post by MrCrowley
Mon Dec 10, 2007 2:56 am
First gun w/ Damage Pics

Last post by xXunderXcoverXx
Replies: 15
by xXunderXcoverXx » Sun Dec 09, 2007 2:23 pm
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My First Pneumatic air gun-

1 pvc
2 air Chamber
interchangeable barrels
-36 1 barrel
-30 3/4 barrel

Ammo:

3/4 Rubber Stoppers 41 cents
(Parents...

Last post

Yeah paint would be the next step but I have a deadline to meat on my next gun take a look and say your thoughts....

Thanks guys!
15 Replies

6552 Views

Last post by xXunderXcoverXx
Mon Dec 10, 2007 2:10 am
few qustions on my Pnue design

Last post by jrrdw
Replies: 6
by pizlo » Sat Dec 08, 2007 11:20 am

First post

KK all the pvc is Sch 40, I didn't show that the air chamber is end capped, and i will put a schrader on the back. so the 4 questions I have are, is...

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Go by the quoted measurements not what the picture looks like.

6 Replies

1529 Views

Last post by jrrdw
Sun Dec 09, 2007 8:46 am
DWV pressure pipe

Last post by octane89
Replies: 10
by bigbob12345 » Fri Dec 07, 2007 10:28 pm

First post

One of my guns chamber is pressure rated to 280psi it says it on the pipe
but I just noticed it says DWV on the pipe should I think anything of that.

Last post

Yes thats what I was thinking of. They carry it at Home Depot, but like you said it is think stuff (at least what they have is).

10 Replies

2325 Views

Last post by octane89
Sat Dec 08, 2007 4:17 pm
12g CO2 gun

Last post by grumpy
Replies: 5
by knappengineering » Fri Dec 07, 2007 10:51 pm

First post

I am planning on making my remote control robot shoot something, so I came up with the idea of using those 12g CO2 inflators like the one shown here:...

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without knowing how many c.i. your pressure chamber is there is no way to tell, unless you have quick changer with an on/off valve. check this out it...

5 Replies

2477 Views

Last post by grumpy
Sat Dec 08, 2007 3:50 pm
UPDATED Pneumatic Sniper Rifle

Last post by qbnbountyhunter
Replies: 45
by qbnbountyhunter » Wed Nov 28, 2007 9:25 pm
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This is my best sniper rifle, it looks, feels and shoots like a real rifle. I pump it up to 120-180 PSI and i use a marble with wadding for ammo. I...

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do worry about it, it is some shitty paint i got for $0.99, but i did repaint it and smooth it out, so i just need to find my camera for some updated...
45 Replies

15726 Views

Last post by qbnbountyhunter
Sat Dec 08, 2007 1:49 pm
Mini Steel

Last post by VH_man
Replies: 24
by PCGUY » Mon Jan 31, 2005 12:45 am
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MINI STEEL

Provided By - Andeh

About 20 of 2 galvanized steel chamber, 1 goyen diaphragm valve, 36 x 1 galvanized steel barrel. Shoots very well,...

Last post

haha. firing heavy things is fun.......

like when i found a 5lb hunk of steel that fit in my shoulder-fired piston valved cannon (too bad this broke...
24 Replies

18551 Views

Last post by VH_man
Sat Dec 08, 2007 12:56 pm
Is blowgun fast enough to this?

Last post by Ragnarok
Replies: 5
by Gunner » Fri Dec 07, 2007 6:39 pm

First post

I am doing a copper valve piston air cannon and as pilot works a normal blowgun DG-10 and tee`s ID is 32mm and barrels ID 20mm and OD 22mm and pilot...

Last post

Ragnarok:I come from Finland antd that`s why I speak bad english :D .
It's actually pretty good. I've seen much worse from people who speak it as a...

5 Replies

1765 Views

Last post by Ragnarok
Sat Dec 08, 2007 11:10 am
solenoid question

Last post by grumpy
Replies: 4
by pizlo » Fri Dec 07, 2007 7:55 pm

First post

I have a plan for a phnuematic drawn up and the parts i would need in a cart on mcmaster. I have heard many mixed messages about weather a moded...

Last post

yep , you will find that generaly there will still be some pressure left in the chamber after you fire.

4 Replies

1268 Views

Last post by grumpy
Sat Dec 08, 2007 9:13 am

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Pneumatic Cannons

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