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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

659296 Views

Last post by quinn whitsitt
Fri Feb 09, 2024 2:38 pm
Sketchup Model Library

Last post by mrfoo
Replies: 152
by dewey-1 » Tue Mar 24, 2009 12:12 pm
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Over the last year I have made a lot of CAD drawings for
Pneumatic Launchers.

I have imported several of them into Sketchup format.
Here is the link...

Last post

Bollocks. Dewey put them out in the hope that, and I quote

some of you can make use of these!

There's absolutely nothing wrong with using them,...
152 Replies

387032 Views

Last post by mrfoo
Mon May 20, 2024 11:17 am
Solvent Welding Course Recommended For ALL

Last post by Technician1002
Replies: 46
by sgort87 » Fri Aug 04, 2006 8:18 pm
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Originally posted by DR on the Spudtech forums:

IPEX Solvent Cements ONLINE Course can be found here:

It is recommended that you download and...

Last post

Your earlier post about just scoring the surface, has me wondering if that is why OATEY makes a brush tool that scores the inside of a fitting, and...
46 Replies

202428 Views

Last post by Technician1002
Thu Dec 02, 2010 5:04 pm

Topics

Detachable/Adjustable Handle

Last post by XxtriviumxX
Replies: 3
by XxtriviumxX » Sun Apr 20, 2008 2:49 am

First post

The other day I was digging out spare pipes and fittings from under the house and I came across 2 ft of 20mm poly pipe. So I brought together any...

Last post

Round out the handle to match the curve of the barrel would give it more stability.

Yeah ive been meaning to. :D

Didnt have time to yet.

3 Replies

1842 Views

Last post by XxtriviumxX
Sun Apr 20, 2008 8:04 am
Filling air from a pressure washer

Last post by tmacd995
Replies: 4
by hkrivell » Sat Apr 19, 2008 4:44 pm

First post

I just purchased a 2000psi power washer. Is it also capable of filling air tanks, if so, how can I do it safely?

Last post

Most of them have an auto shut off if you try to overwork it (consumer grade) but I don't you could use it to fill an air tank. good luck

4 Replies

2109 Views

Last post by tmacd995
Sat Apr 19, 2008 7:33 pm
PSI Ratings...Scared to shoot...And many other questions!

Last post by Ragnarok
Replies: 20
by isu22andy » Thu Apr 17, 2008 7:06 pm
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1) I recently bought some SCHAU 40 4 Inch diameter pipe that has a psi rating of 220 but my barrel (2inch) has a rating of 280psi... Is this ok? I...

Last post

Not many things are made with spudgunners in mind.
No, but it sometimes seems as if QEV's were... they're just so convenient.
20 Replies

3471 Views

Last post by Ragnarok
Sat Apr 19, 2008 11:12 am
my town sucks!!!!!!!!!!!!!!

Last post by metallover
Replies: 14
by Pilgor » Thu Mar 27, 2008 10:27 am

First post

I cannot find anything in my town. There is not one place that carries NSF-PW. All I can find is abs. To get the proper pvc shipped to me would cost...

Last post

you might be able to ask the owners of the store to special order what you need.

14 Replies

3991 Views

Last post by metallover
Fri Apr 18, 2008 3:58 pm
brass piston

Last post by hyldgaard
Replies: 3
by quiggly17 » Thu Apr 17, 2008 3:21 pm

First post

I have looked around and i was wondering whats the best way to make a piston for a 1in brass tee

Last post

I have with great succes made a piston as large as 18mm from copper, and used it to a bit over 450psi. As long as you stay low on weight aside from...

3 Replies

1646 Views

Last post by hyldgaard
Fri Apr 18, 2008 3:16 pm
A Thought On Combustions

Last post by jimmy101
Replies: 9
by Hubb » Tue Apr 15, 2008 6:04 pm

First post

This is just something that I thought of. Here goes:

I understand a fuel burns at a certain rate. Example, propane burns at a rate of about 12fps....

Last post

Now, combustions are only about 15% efficent at best. It wouldn't be completely unreasonable to consider that the remaining 85% was all heat loss....

9 Replies

2050 Views

Last post by jimmy101
Thu Apr 17, 2008 11:16 am
show the power of your cannon here

Last post by Gippeto
Replies: 30
by SpudFarm » Sun Feb 17, 2008 12:46 pm
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this is a thread for all of you to post your sweetest pictures. you can post as many pictures you want and as many shots as you want (videos are...

Last post

Getting there! Test fire in the next week or so. :)

The holes were already there. Lead and hot glue just aren't sturdy enough to punch a hole in...
30 Replies

10405 Views

Last post by Gippeto
Wed Apr 16, 2008 8:41 pm
Useful Old Computer Parts

Last post by XxtriviumxX
Replies: 15
by daberno123 » Tue Apr 15, 2008 7:30 pm
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My dad was going to recycle away a cpu, a monitor and a printer. I stopped and asked to take them apart. I'm not very good with electronics but is...

Last post

Now I wish i picked up that free to take computer the other week. :cry:

Well I wont make that mistake again at least. :)
15 Replies

4816 Views

Last post by XxtriviumxX
Wed Apr 16, 2008 8:49 am
Large chamber spark

Last post by DYI
Replies: 15
by pat123 » Tue Apr 15, 2008 4:10 pm
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I was wondering what you guys thought would be a good ignitor for a 510 in3 8X hybrid? I was thinking about an electric bbq ignitor but I have never...

Last post

The math behind it:
Spark length is roughly inversely proportional to pressure, so:
8x = 8 times atmospheric pressure
If the spark is 1 at...
15 Replies

2819 Views

Last post by DYI
Tue Apr 15, 2008 7:26 pm
Spudguns in the news

Last post by jimmy101
Replies: 17
by ralphd » Sun Apr 13, 2008 8:57 am
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Forgive me if this is posted in the wrong area but I got the story this morning on mt Google Alert.........

Last post

Today's episode of Ellen had a guy on with several small combustion spud guns. Ellen was blasting a big tarp with spuds. (little squirt-n-screw...
17 Replies

3554 Views

Last post by jimmy101
Tue Apr 15, 2008 3:28 pm
what to do with air tank

Last post by pat123
Replies: 10
by pat123 » Sat Apr 12, 2008 12:02 am

First post

After getting off the regulator I am trying to decide what to do with this tank. It has a max psi of 2000. I am thinking about using it as a hybrid...

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I just made a huge hybrid with it :twisted: . I just have to add the ignition and paint it.

10 Replies

2074 Views

Last post by pat123
Mon Apr 14, 2008 2:52 pm
S.M.T. - Just a C:B Calculator/Optimizer for Now...

Last post by Carlman
Replies: 11
by mark.f » Tue Apr 08, 2008 8:25 pm

First post

Well, this is what I've got so far.

I sat down with Visual Basic Express and came up with the idea of building a math tool. It would perform all the...

Last post

wow i love its simplicity, nice work leaving it as a command prompt program :D

11 Replies

2274 Views

Last post by Carlman
Sun Apr 13, 2008 1:30 am
Finished Bolt Loader/Magazine

Last post by Eddbot
Replies: 17
by keep_it_real » Mon Mar 31, 2008 10:44 pm
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This is the same design as From_Hamsterdam used in his semi auto a while ago. It works well and is consistent which was the goal. I'll be attaching...

Last post

cool, thanks :)
17 Replies

4493 Views

Last post by Eddbot
Sat Apr 12, 2008 11:14 pm
High Speed Camera Projectile for Spudgun

Last post by D_Hall
Replies: 26
by scottcrete » Fri Apr 04, 2008 9:56 am
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Ever wanna see where your round went? well first you would have to find it with this cool thing i thought of... or if you were really gifted in...

Last post

Hardening electronics for the kind of G forces experienced in your typical spud gun is pretty trivial. Hell, it's been done for real guns since the...
26 Replies

6997 Views

Last post by D_Hall
Sat Apr 12, 2008 11:50 am
A quick question about epoxy.

Last post by Modderxtrordanare
Replies: 6
by Wombat » Sat Apr 12, 2008 12:41 am

First post

I bought some Ace Hardware 60 minute epoxy because it supposedly cures stronger than the regular stuff. I am using it to fill a quarter-inch hole in...

Last post

Why couldn't you have just tapped in a 1/4 plug into it and have been done in 3 seconds?

6 Replies

2727 Views

Last post by Modderxtrordanare
Sat Apr 12, 2008 10:16 am
drilling holes in pressurised chambers

Last post by Blitz
Replies: 9
by revans » Wed Apr 09, 2008 2:52 am

First post

This is specifically applying to a bbmg, but it can be applied to anything that takes similar pressures so I put it here ...

Is it alright to drill...

Last post

Your title IS misleading... I seriously felt the need to create this:

9 Replies

3158 Views

Last post by Blitz
Sat Apr 12, 2008 12:26 am
removing regulator

Last post by pat123
Replies: 3
by pat123 » Fri Apr 11, 2008 9:13 pm

First post

hey I have some air tanks but i can't get the regulator off. the tanks hold 2000 psi and the regulator is just to hard to turn off. do you have any...

Last post

Thanks I got it my friend stood on one 18 pipewrench and i stood on the other and it eventually gave. it is one of those tanks for firefighters to...

3 Replies

1362 Views

Last post by pat123
Fri Apr 11, 2008 11:49 pm
anyone shop at homedepot.com?

Last post by pat123
Replies: 2
by pat123 » Fri Apr 11, 2008 8:50 am

First post

I get emails from homedepot and they sent me a 10% discount code. I am not going to use it so if anyone wants it just post. first come first serve :D

Last post

yeah I would use it if it wasn't online. It expires on the 14th

2 Replies

890 Views

Last post by pat123
Fri Apr 11, 2008 8:56 am
True or false.

Last post by Eddbot
Replies: 7
by Spitfire » Thu Apr 10, 2008 1:03 pm

First post

I heard from my uncle that spud guns are ilegal in the state of arkensaw(spelling)

Can anybody help me with this. It just seems strange as they...

Last post

damn clide, that's a nice sig, and you're right :)

7 Replies

2661 Views

Last post by Eddbot
Thu Apr 10, 2008 9:51 pm
How to deal with frustration

Last post by Sticky_Tape
Replies: 46
by jackssmirkingrevenge » Fri Feb 08, 2008 12:09 am
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As a method of expressing frustration or rage at n00b comments, terrible puns, and general fealing of oh dear , introducing the...

Last post

I shot tempered glass with my Marker gun look at sig and it went everywhere in my yard neer where I set up my pool what was worse was that I have...
46 Replies

18271 Views

Last post by Sticky_Tape
Thu Apr 10, 2008 3:03 pm
good high pressure burst disk

Last post by psycix
Replies: 22
by pat123 » Tue Apr 08, 2008 3:11 pm
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I found a really good burst disk for high pressures. the plastic that most toys are in is great. in a half inch union it didn't even burst at 150 psi...

Last post

No idea.
Im not sure if it will burst clean though.
Burst one!
22 Replies

5088 Views

Last post by psycix
Thu Apr 10, 2008 6:33 am
propane fill question...

Last post by MrCrowley
Replies: 3
by THUNDERLORD » Thu Apr 10, 2008 12:45 am

First post

:roll: I have 1 sch 40 pipe rated to 450psi (46 chamber).

I know that propane comes out at around 130-150psi and the can it's stored in (the small...

Last post

Oh okay, well 150psi should be perfectly fine in that chamber.

Thanks, looking forward to one from you :)

3 Replies

1016 Views

Last post by MrCrowley
Thu Apr 10, 2008 2:39 am
hgdt help

Last post by D_Hall
Replies: 6
by pat123 » Tue Apr 08, 2008 11:42 am

First post

I get a message saying combustion incomplete. what would I change to get complete combustion?

Last post

And on that note, I just uploaded the latest greatest (which still isn't that great).

6 Replies

1803 Views

Last post by D_Hall
Tue Apr 08, 2008 11:20 pm
Fork in the road here...

Last post by starman
Replies: 18
by Blitz » Tue Apr 08, 2008 3:58 am
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I've been deciding for a long time, on and off, what to do with this.

It's 6 x 60 -- I found it among some spare pipe somewhere I once worked...

Last post

Being a combustion leaning guy myself, I would like to throw my hat in your ring to say ....go big combustion. I want to challenge the notion that a...
18 Replies

5736 Views

Last post by starman
Tue Apr 08, 2008 7:06 pm
Damage Videos

Last post by Ragnarok
Replies: 10
by scottcrete » Tue Apr 08, 2008 11:27 am

First post

I am gonna start this off by posting a youtube video.. (cause i have no damage vids) and you guys follow me up with videos of your own.. showing your...

Last post

Rag when is that video you said that you were making is coming out.
I never said anything... *whistles and twiddles thumbs*

More seriously, when...

10 Replies

3224 Views

Last post by Ragnarok
Tue Apr 08, 2008 6:13 pm

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