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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

1079651 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

553826 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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First post

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

300350 Views

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

Topics

Electric fly-swatter

Last post by Insomniac
Replies: 9
by CpTn_lAw » Mon Aug 09, 2010 12:26 pm

First post

Hi everyone, I bought an electric fly swatter for 2 euros, took the net off, and now have two lead that make a nice 5mm gap that is sharp cracking. I...

Last post

Has anyone considered using a CDI ignition unit for RC plane use as an ignition source? I only fly electric, so I don't know how they work/how to...

9 Replies

8166 Views

Last post by Insomniac
Wed Aug 11, 2010 1:12 am
4.5mm pipe in AU?

Last post by ilovefire
Replies: 13
by ilovefire » Tue Aug 03, 2010 2:08 am

First post

hi im an aussy and cant find a barrel for some 4.5mm metal ball bearings, i was hoping that i could get a brass or aluminum barrel but cant find...

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get a shock pump off ebay, go to a hobby shop with your ammo and see which pipe fits. That seems to e everything, no?

done and done!

13 Replies

4413 Views

Last post by ilovefire
Tue Aug 10, 2010 5:25 pm
Best hose for use with propene?

Last post by Biopyro
Replies: 6
by Biopyro » Sun Aug 08, 2010 4:15 pm

First post

What's the best for spudding? I bought some silicone 5mm which has not leaked or slipped without hose clips, very pleased.
I also bought some 10mm...

Last post

Wound up getting the silicone, and thank goodness I did!
Silicone does not leak, and just uses a hose clip to stay attached. It doesn't need hot glue...

6 Replies

2407 Views

Last post by Biopyro
Tue Aug 10, 2010 4:25 pm
Ricochet damage projectile.

Last post by SpudFarm
Replies: 11
by SpudFarm » Fri Aug 06, 2010 9:32 pm

First post

As some of you remember from my time of ignorance, I had a bad ricochet that almost penetrated the wall of a nearby building.
The ammo was a APFSDS...

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I think what happened was that the tip was pressed about 1/4 into the steel target and when the rod started bending the front was still stuck so it...

11 Replies

4298 Views

Last post by SpudFarm
Sun Aug 08, 2010 4:57 pm
is there any difference

Last post by FighterAce
Replies: 2
by bighead33 » Sun Aug 08, 2010 11:21 am

First post

is there any difference between using a regular PVC pipe and smooth bore or PVC vs rifled. i check BL but they didn't have any test results for...

Last post

If you give it the wrong twist rate then it can actually decrease accuracy...

2 Replies

1270 Views

Last post by FighterAce
Sun Aug 08, 2010 2:00 pm
Comparing a pistol cross bow to an airgun spring

Last post by jackssmirkingrevenge
Replies: 13
by qwerty » Wed Aug 04, 2010 2:33 pm

First post

I have been looking at the airgun crossbow idea and thought that the cheap 50lbs pistol crossbows would be perfect for the job but how would these...

Last post

I hope not the same about women....

Quite the opposite, after a traumatic experience in my adolescent years :roll:

13 Replies

5096 Views

Last post by jackssmirkingrevenge
Thu Aug 05, 2010 11:37 am
Sorry, Please lock

Last post by jrrdw
Replies: 1
by qwerty » Wed Aug 04, 2010 10:58 am

First post

Accidently clicked Submit while writing a topic.

Last post

No problem...... 8)

1 Replies

1197 Views

Last post by jrrdw
Wed Aug 04, 2010 11:11 am
Golfball barrel pipe.

Last post by MrCrowley
Replies: 13
by Stolly32123 » Sun Aug 01, 2010 1:35 am

First post

I have looked everywhere for some pipe for a golfball barrel. All the pipe i find is eather too big or too small. Where can i get some the right size?

Last post

Did no one read the third post? He lives in Aussie, so no point recommending American pipe (although on occasion it has be known to be found in...

13 Replies

4088 Views

Last post by MrCrowley
Mon Aug 02, 2010 2:22 am
No golfball gun for me :-(

Last post by inonickname
Replies: 18
by Stolly32123 » Fri Jul 30, 2010 2:38 am
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My mean old dad wont let me make a golfball gun this weekend. Im pretty sure its a cost thing, he also says its because a golfball is too deadly. I...

Last post

I sort of agree, this political correctness is beginning to really piss me off. It's not like I run down the street yelling racial slurs, but soon I...
18 Replies

5013 Views

Last post by inonickname
Sun Aug 01, 2010 1:45 am
Pressure pipe?

Last post by Stolly32123
Replies: 4
by Stolly32123 » Sat Jul 31, 2010 2:37 am

First post

I had a look today at bunnings warehouse today for pressure pipe but all they had was 50mm OD. i need atleast 100mm OD. Anyone know where i can get...

Last post

Sorry. i live north coast nsw (Tweed heads)

4 Replies

1584 Views

Last post by Stolly32123
Sat Jul 31, 2010 9:22 pm
Mod an Electric BBQ Igniter ~ How-To

Last post by Eagar92
Replies: 16
by STHORNE » Fri May 23, 2008 10:54 pm
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MODIFYING AN ELECTRIC BBQ IGNITOR

Hello fellow spudders! I recently bought an electric BBQ igniter from Walmart for $15.00 USD for one of my many...

Last post

I just did this the other day and then had a thought about changing the battery when its dead. I created what i call a fake battery to fit where the...
16 Replies

27900 Views

Last post by Eagar92
Sat Jul 31, 2010 6:59 pm
Gort's New Toy

Last post by ramses
Replies: 41
by sgort87 » Wed Jul 07, 2010 8:12 am
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I bought it.

I figured it was finally time to splurge on a piece of shop equipment that I should have been working with for a long time. I'm...

Last post

Awww... :( :(
41 Replies

13054 Views

Last post by ramses
Fri Jul 30, 2010 1:21 pm
I Finaly Got A Compressor!

Last post by Mpeddlesden
Replies: 13
by Mpeddlesden » Wed Jul 28, 2010 7:57 am

First post

After Month's of searching i have finally found a working a/c compressor.
My cousin is a fridgy and took this home for me we decided it the other day...

Last post

Good Suggestion but i don't think it would be Healthy.
I have found a way though.

13 Replies

4349 Views

Last post by Mpeddlesden
Fri Jul 30, 2010 12:53 am
Emptying a CO2 Cartdridge

Last post by killerbanjo
Replies: 19
by qwerty » Sun Jul 04, 2010 3:15 pm
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First post

Without totally obliterating it with an air gun what would be the safest way of emptying a CO2 cartridge from the top?

Last post

Buy a co2 bike tyre inflator for £10-£15.
19 Replies

10792 Views

Last post by killerbanjo
Thu Jul 29, 2010 6:33 pm
Liquid Propane Combustion?

Last post by jimmy101
Replies: 14
by kjjohn » Tue Jul 27, 2010 7:24 pm

First post

Say you had 1 gram of liquid propane. How much air would be required to ignite 1 gram of liquid propane, and would it release significantly more...

Last post

I REALLY suggest to everyone; Use manometric meters! Or a $2 syringe.

14 Replies

3803 Views

Last post by jimmy101
Wed Jul 28, 2010 4:58 pm
4500psi compressor help

Last post by nooj
Replies: 16
by nooj » Tue Jul 27, 2010 11:45 am
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does any one have any ideas on how to build a compressor to fill 4500 psi paintball compressed air tanks

Last post

he just going to use it for paintball
16 Replies

8646 Views

Last post by nooj
Tue Jul 27, 2010 6:35 pm
Using CAD software (CoCreate Modeling Personal Edition)

Last post by ramses
Replies: 2
by Metalcookie » Mon Jul 26, 2010 10:42 pm

First post

Hey guys. Been planning on making another spud gun, but I wanted to use CAD software to plan it. does anyone use this particular software? I've been...

Last post

I use inventor and occasionally Algor FEA. Combined, they probably cost at least $15,000, but they give free licenses to students to hook them early...

2 Replies

2171 Views

Last post by ramses
Tue Jul 27, 2010 10:00 am
Water/steam as propellant?

Last post by Ragnarok
Replies: 8
by kjjohn » Sun Jul 18, 2010 12:44 am

First post

Could you possibly increase the power of a combustion cannon by loading it with a cartridge containing regular water before the projectile? My theory...

Last post

Remember the boiling pressure is higher in a high mix.
Higher, but actually, the enthalpy change of vaporisation of water is lower as pressure (and...

8 Replies

3815 Views

Last post by Ragnarok
Tue Jul 27, 2010 5:19 am
How To Make a Smoke Bomb

Last post by metalmeltr
Replies: 46
by caleira1616 » Tue Mar 25, 2008 2:46 pm
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The smoke bomb you would purchase from a fireworks store usually is made from potassium chlorate (KClO3 - oxidizer), sugar (sucrose or dextrin -...

Last post

to light this stuff you can put a match in the liquid mixture with the head up, after it hardens light the match and the smoke bomb will ignite, saw...
46 Replies

25572 Views

Last post by metalmeltr
Mon Jul 26, 2010 8:26 am
Cheap machining work for Australian spudders

Last post by c11man
Replies: 16
by inonickname » Thu Jul 08, 2010 10:50 am
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I've been bored recently and have been looking for some work. I enjoy machining, so I've decided to pursue that. I'm offering my services locally but...

Last post

recieved it two days ago and it looks great! my oring fits perfectly into the groove and the bolt with the smaller head will work great. the only...
16 Replies

6890 Views

Last post by c11man
Sat Jul 24, 2010 3:06 pm
Modding the "Wrong Type" of sprinkler valve.

Last post by spudtyrrant
Replies: 25
by Pwnany » Tue Sep 26, 2006 4:53 am
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I know I'm very new to this site so I don't have much respect but I think I have made something pretty neat and I should share it with this awesome...

Last post

hey guys
My gun was working, but now when i pump it up, air slowly leaks out of the trigger and i lose pressure, anyone know a fix? you may have the...
25 Replies

28803 Views

Last post by spudtyrrant
Sat Jul 24, 2010 9:10 am
It Finally Works!(well...sort of)

Last post by maverik94
Replies: 11
by maverik94 » Fri Jul 23, 2010 2:30 pm

First post

Ok, I have been working on my in-line piston design for quite a while now, a few months at least. I know that in principle it would work, but the...

Last post

Never said you did, just pointing out that I never invented it either
What's this going in then? High pressure small calibre single shot...

11 Replies

4240 Views

Last post by maverik94
Fri Jul 23, 2010 7:20 pm
Types of epoxy?

Last post by SpudBlaster15
Replies: 5
by Stolly32123 » Fri Jul 23, 2010 6:46 am

First post

I am planning on making a cannon this weekend but im not sure what epoxy i should use. Could someone tell me the different types of epoxy and/or...

Last post

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5 Replies

2361 Views

Last post by SpudBlaster15
Fri Jul 23, 2010 1:58 pm
4 inch piston

Last post by SP00K
Replies: 28
by SP00K » Mon Jul 19, 2010 6:45 pm
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What should I use for my 4 diameter piston?

Right now, I was thinking a 3 endcap with a mousepad for a sealing face, but I did just read a thread...

Last post

Well I made the piston out of 3 endcap with the round end cut off. I put a piece of 3 pipe inside and put a wooden disc on top of that. I used a cut...
28 Replies

23198 Views

Last post by SP00K
Thu Jul 22, 2010 2:21 pm
north tx spud meet

Last post by SpudFarm
Replies: 5
by dfw spud guy » Fri Jul 16, 2010 9:43 pm

First post

hi all, i jus joined today and was wondering where all the north texas/texas users were at. i am from a lil town south of dfw called cleburne. i was...

Last post

No need to write why you can't come. He is asking those that can.

5 Replies

3276 Views

Last post by SpudFarm
Mon Jul 19, 2010 5:33 pm

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