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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

1079658 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

553935 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

300371 Views

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

Topics

Barrel Support on this Launcher?

Last post by Gun Freak
Replies: 7
by Gun Freak » Sun Apr 18, 2010 12:20 pm

First post

Does anybody have a good idea for a barrel support on this GB Launcher? The thin walled 1.5 gb barrel is sleeved with sch 80 2 in the middle and the...

Last post

Thanks Mark, as soon as I confirm the design I'll decide on supports.

7 Replies

3945 Views

Last post by Gun Freak
Mon Apr 19, 2010 5:42 pm
Machined cartridge question

Last post by POLAND_SPUD
Replies: 17
by Dave_424 » Sun Apr 18, 2010 1:19 pm
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Hello, Im thinking about making a cartridge that is fully machined from prorably brass or 303 stainless steel

Im wondering weather to go with a...

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@Dave_424
remember that you can always use higher mix...

I am not very experienced when it comes to hybrids (but I am planing to build one) but...
17 Replies

10121 Views

Last post by POLAND_SPUD
Mon Apr 19, 2010 9:13 am
machinists

Last post by rp181
Replies: 7
by mikespahn » Sun Apr 18, 2010 11:53 am

First post

just curious, is anyone here a machinist? i am and i know the shureshot guy is but anyone else?

also, question for the sureshot guy... do you pretty...

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same here, everything from lathes to sheet metal forming equipment to welding. Only CNC thing is a laser though.

7 Replies

2979 Views

Last post by rp181
Sun Apr 18, 2010 10:30 pm
Silly song I made

Last post by Brian the brain
Replies: 27
by Brian the brain » Sat Apr 17, 2010 12:26 pm
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:D

I made a silly Spudfiles song..cause I felt like it.

Too bad it's a little crude..and with all this editing I accidently deleted the solo, wich...

Last post

really god job
Amen!

Wow! I thought you sold that guitar for a lathe.
Nope I sold an imitation of a Gibson guitar...wich would have been a much...
27 Replies

9167 Views

Last post by Brian the brain
Sun Apr 18, 2010 1:36 pm
Silly Spudfiles song I made

Last post by Brian the brain

by Brian the brain » Sat Apr 17, 2010 12:25 pm

:D

I made a silly Spudfiles song..cause I felt like it.

Too bad it's a little crude..and with all this editing I acidently deleted the solo, wich...

0 Replies

1875 Views

Last post by Brian the brain
Sat Apr 17, 2010 12:25 pm
Air tank

Last post by Gun Freak
Replies: 15
by bl00dwolf » Wed Apr 14, 2010 8:07 pm
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i am going to build my first airgun. but i want to know what would be a good material to use as an air resivoir? i want to have an operating pressure...

Last post

I was just telling him he doesn't HAVE to use a paintball tank, as some metal nipples would be fine at up to 800 psi.
15 Replies

5559 Views

Last post by Gun Freak
Fri Apr 16, 2010 8:03 pm
Mathematics, numbers, accuracy, precision, etc.

Last post by POLAND_SPUD
Replies: 17
by boyntonstu » Tue Apr 13, 2010 4:29 pm
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I used to work for the National Bureau of Standards in Washington D.C..

Today, it is called, NIST, The National Institute of Standards, and...

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well let's face it... It doesn't matter much that he was wrong - anyone can make a stupid mistake... everyone ha probably written something stupid at...
17 Replies

7926 Views

Last post by POLAND_SPUD
Thu Apr 15, 2010 8:38 pm
Why and when to use Grain as a unit of weight measurement

Last post by MrCrowley
Replies: 30
by boyntonstu » Mon Apr 12, 2010 6:35 pm
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Grain (mass)
From Wikipedia, the free encyclopedia
Jump to: navigation, search
For other uses, see Grain (disambiguation).

A grain is a unit of...

Last post

In your country, you drive on the 'wrong' side of the road.
Actually, you do. Apparently it is safer to drive on the left side of the road because...
30 Replies

14334 Views

Last post by MrCrowley
Tue Apr 13, 2010 5:05 pm
Where to find JSR-esque epoxy?

Last post by CS
Replies: 3
by JDP12 » Tue Apr 13, 2010 10:36 am

First post

I've been unlucky in locating good two part, pourable marine epoxy like what JSR uses. I've searched all the local hardware stores, but have been...

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Thin epoxy flows well for casting. Haven't bought it from US Composites yet, bought some locally although more money.

3 Replies

1017 Views

Last post by CS
Tue Apr 13, 2010 12:15 pm
Mile shooting cannon?

Last post by Ragnarok
Replies: 65
by reedfe » Mon Mar 29, 2010 5:43 pm
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is it possible to make a spud cannon to shoot about a mile? if so, pneumatic, combustion, or hybrid? what ammo. basically i would like plans :D (if...

Last post

Larda already HAS such a projectile.
Yeah, but it ain't the one he chronoed at over 3000 fps, which I wouldn't bet on making a mile.
16.6 grams in...
65 Replies

23654 Views

Last post by Ragnarok
Mon Apr 12, 2010 12:30 pm
o-ring grooves/make your o-rings fit

Last post by DR
Replies: 2
by lozz08 » Thu Oct 08, 2009 7:24 am

First post

So, You don't have a lathe, and you don't have a table saw. You need a groove that fits your o-ring and seals perfectly, probably both directions....

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EDIT: Geez! I was replying to a topic about making o-ring grooves and accidently posted this, in another link that was provided by someone else....

2 Replies

7381 Views

Last post by DR
Sun Apr 11, 2010 2:37 am
Don't do this with your potato gun...

Last post by gabeb123
Replies: 10
by Gun Freak » Fri Apr 02, 2010 11:26 am

First post

Haha this guy's an idiot.

Last post

ive never heard of someone using superglue instead of pvc cement now thats kinda funny

10 Replies

5394 Views

Last post by gabeb123
Mon Apr 05, 2010 10:15 pm
barrel reducing

Last post by MrCrowley
Replies: 2
by mikespahn » Mon Apr 05, 2010 8:05 pm

First post

i am making a cannon with interchangeable barrels for different bore sizes. i know the cannon will be less efficient as the chamber to barrel ratio...

Last post

A guy on here (technician1002) was going to do a study on preformance comparison between say a 1 barrel shooting a 1 bearing or a 2 barrel shooting a...

2 Replies

1502 Views

Last post by MrCrowley
Mon Apr 05, 2010 8:53 pm
Ammo? (cheap and reusable)

Last post by clemsonguy1125
Replies: 3
by Sjames24 » Mon Apr 05, 2010 4:27 pm

ive had my spud gun for abot a week but im pissing my rents off by using all their potatoes so how can i make or buy reusable ammo for a 2 inch barrel

3 Replies

3088 Views

Last post by clemsonguy1125
Mon Apr 05, 2010 5:51 pm
rifling in other projectiles

Last post by Demon
Replies: 3
by mikespahn » Sat Apr 03, 2010 3:13 pm

First post

i have seen the data on rifled potato barrels. does anyone know how much if any increase in accuracy there is for other projectiles that would...

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Will rifling make a dry clay projectile spin? Or shold i shoot ( if i ever do ) clay projectiles when they are not completly dry ?

3 Replies

2239 Views

Last post by Demon
Mon Apr 05, 2010 4:17 pm
JB weld

Last post by gabeb123
Replies: 9
by gabeb123 » Sun Apr 04, 2010 3:09 pm

First post

hey i am making a support for my tator cannon and i was wondering will JB weld or epoxy bond wood to pvc? (like a good bond)

thanks

Last post

ok thanks, i wish i could find like a database online that has stuff that will and wont eat pvc.

9 Replies

4034 Views

Last post by gabeb123
Sun Apr 04, 2010 6:41 pm
electrical question

Last post by Crna Legija
Replies: 12
by Crna Legija » Tue Mar 30, 2010 6:15 am

First post

i need to get a motor to change derection with just a swich but not sure how to go about wiring it swich

i wikipediaed it and i think i need a DPCO...

Last post

ahh cool thanks probly have one around.

12 Replies

3396 Views

Last post by Crna Legija
Fri Apr 02, 2010 8:56 pm
How To Run and Control Your Fan Off of Your Stun Gun

Last post by rp181
Replies: 5
by metallover » Sun Mar 28, 2010 8:58 pm

First post

A normal stun gun is boring. I have my stun gun so that it not only makes a spark, but it also controls my fan with a switch and fires with a...

Last post

Im just saying you dont need a stun gun with a alarm or a flash light, just a normal stun gun with no extras will work.

The battery anode is...

5 Replies

9476 Views

Last post by rp181
Mon Mar 29, 2010 9:50 pm
GGDT accuracy with bb's

Last post by Gun Freak
Replies: 2
by Gun Freak » Mon Mar 29, 2010 8:05 pm

First post

How accurate is GGDT with shooting airsoft bb's out of pneumatics? Or any cannon? I am getting unusually high velocities (521 fps on only 29 psi, and...

Last post

Thanks.
message too short

2 Replies

1403 Views

Last post by Gun Freak
Mon Mar 29, 2010 8:50 pm
Need pics and permission to use them...

Last post by jrrdw
Replies: 14
by D_Hall » Sun Mar 28, 2010 4:26 pm

First post

A couple weeks from now I'm giving a presentation on Vera. As part of the presentation I want to have a slide that has some pictures of spud guns so...

Last post

Thanks folks, I think I've got what I need (which was really nothing more than visuals to explain the concept of a hybrid).

@D_Hall. Since you got...

14 Replies

4879 Views

Last post by jrrdw
Mon Mar 29, 2010 8:33 am
PVC Barrel rifling idea

Last post by Gun Freak
Replies: 8
by Gun Freak » Fri Mar 26, 2010 8:55 am

First post

If you submerge the pvc barrel in hot enough water (boiling?) then it gets soft and you twist it, wouldn't it form grooves good enough for a rifled...

Last post

I'm not sure about the oven... never tried it.
Thanks for the link metalmeltr.

8 Replies

3446 Views

Last post by Gun Freak
Sat Mar 27, 2010 8:39 am
How to thread a barrel? (Tap and Die)

Last post by metalmeltr
Replies: 5
by zomgwtfbbq » Thu Mar 25, 2010 10:42 pm

First post

I have a 22mm (OD) stainless steel pipe (barrel) that I want threaded into another bigger pipe with a ID that is 21.8mm.

I want the barrel to be...

Last post

How thick is the pipe? Someone with a lathe could tread it if the wall was thick enough.

5 Replies

6013 Views

Last post by metalmeltr
Sat Mar 27, 2010 7:53 am
New here and NEW to potato guns

Last post by jimmy101
Replies: 15
by TaterTot » Thu Mar 25, 2010 1:50 pm
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I've been looking for a release........ and i think i've found it.

I am a gun nut, but there is something about hurling large projectiles long...

Last post

For a quick gun that doesn't cost much start with butane as the fuel. It's a lot cheaper and easier to control than are aerosols like RightGuard or...
15 Replies

6249 Views

Last post by jimmy101
Fri Mar 26, 2010 8:17 pm
Artillery Cannon Power Source Q

Last post by POLAND_SPUD
Replies: 14
by Reeyah » Thu Mar 18, 2010 9:36 pm

First post

I am designing an artillery type cannon that will be aimed by a sophisticated electronics system. The cannon itself will be made of metal. The...

Last post

What is the optimal chamber to barrel ratio or is there one not really... rag has posted some nice graphs comparing ratios to muzzle energies you can...

14 Replies

7078 Views

Last post by POLAND_SPUD
Thu Mar 25, 2010 8:04 am
SCH40 vs SCH80 PVC ID Surface

Last post by Gippeto
Replies: 4
by dewey-1 » Sat Mar 20, 2010 12:08 pm

First post

I have noticed that SCH40 PVC pipe has a rather irregular surface on inside of the pipe. The inside is not as smooth as the outside.
Has anyone else...

Last post

I have a cylinder hone and a couple brake cylinder hones too...but no pvc. :roll:

I did notice that the 1 1/4 pvc that I built my first piston gun...

4 Replies

2117 Views

Last post by Gippeto
Sat Mar 20, 2010 10:57 pm

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