Combustion Cannons

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SpudFiles Potato Gun Commercial

Last post by quinn whitsitt
Replies: 15
by PCGUY » Tue Oct 29, 2013 10:54 pm
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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...

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thank you for creating this website is there anything i can do to help
15 Replies

1095844 Views

Last post by quinn whitsitt
Fri Feb 09, 2024 2:38 pm
Sparker Reference Guide

Last post by quinn whitsitt
Replies: 45
by rcman50166 » Tue Feb 05, 2008 4:19 pm
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First post

OK. Everyone always seems to know more than me in almost every topic on this site. But this is my domain! High voltage electricity is what i know...

Last post

great job how can i help the fourms
45 Replies

351914 Views

Last post by quinn whitsitt
Fri Mar 01, 2024 10:52 am

Topics

LONG RANGE CANNON

Last post by quinn whitsitt
Replies: 32
by Binder17 » Sat Dec 23, 2006 4:10 pm
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This is a rough sketch of the next cannon i am working on. The drawing is not accurate, but it will hava a control panel and cup holders. It will...

Last post

do you guys have a photo of the build and a video of it firing?
32 Replies

127714 Views

Last post by quinn whitsitt
Wed Mar 06, 2024 11:58 am
The Jackal - 1.5" Bolt Action Rifled Bazooooka [NEW VIDEO!]

Last post by quinn whitsitt
Replies: 15
by auxiliary » Wed Mar 01, 2017 9:18 pm
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Hi Again Spudders!

Here is the newest addition to the family! I call it The Jackal , a silly reference to the Bruce Willis movie.

And a...

Last post

how did you do it
15 Replies

97199 Views

Last post by quinn whitsitt
Wed Mar 06, 2024 11:51 am
easy mapp gas potato cannon

Last post by quinn whitsitt
Replies: 2
by noboi4 » Fri Jul 08, 2022 4:43 pm

First post

i love potato cannons,
i want to make one that is going to last a long time and impress guests.
i wanted to make one that used propane that i could...

Last post

nice job, also is there anything that i can do to help

2 Replies

43644 Views

Last post by quinn whitsitt
Fri Mar 01, 2024 10:53 am
combustion spudguns

Last post by quinn whitsitt
Replies: 9
by quinn whitsitt » Thu Feb 22, 2024 2:25 pm

First post

hey guy how i whould like you to tell me some of your experinces with desiel feul supplement and carbarator cleaner as feul

Last post

great prompts though but i sead diesiel feul supplement not diesiel just to let you know

9 Replies

53870 Views

Last post by quinn whitsitt
Fri Mar 01, 2024 10:43 am
Combustion cannons that look like artillery

Last post by quinn whitsitt
Replies: 2
by quinn whitsitt » Thu Feb 15, 2024 2:19 pm

First post

guys i made a breech loding artillery combustion spudgun have you ever built one there awsome

Last post

mine looked like a flack gun to be more accurate but still cool non the less

2 Replies

23804 Views

Last post by quinn whitsitt
Thu Feb 15, 2024 2:24 pm
Potato Howitzer

Last post by quinn whitsitt
Replies: 9
by saveitforparts » Tue May 12, 2020 10:16 am

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I just finished building a wheeled potato howitzer out of spare parts. It works pretty well, although I need to take it somewhere a bit more rural...

Last post

nice gun
could use some improvments though

9 Replies

73441 Views

Last post by quinn whitsitt
Thu Feb 15, 2024 2:17 pm
pnumatic spud guns

Last post by quinn whitsitt
Replies: 11
by quinn whitsitt » Sun Feb 11, 2024 7:49 pm

First post

i need some advice on how to build pnumatic spudguns i am wondering how i whould build a fully auto air spudgun that dose not loose pressure when it...

Last post

hello
is anyone there

11 Replies

50478 Views

Last post by quinn whitsitt
Thu Feb 15, 2024 11:56 am
PG255 Locutus

Last post by quinn whitsitt
Replies: 55
by PCGUY » Sat Feb 12, 2005 8:08 pm
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PG255 Locutus

Provided By -

Locutus was built soon after Thug '03 . Talk about a project getting WAY out of hand...

Locutus is a monster. It...

Last post

great job and how can i help you
55 Replies

122555 Views

Last post by quinn whitsitt
Thu Feb 15, 2024 11:51 am
Combustion cannons

Last post by quinn whitsitt
Replies: 2
by quinn whitsitt » Tue Feb 13, 2024 11:46 am

First post

can you make a spudgun that runs in liquid ethenol tetra nitrate becase i have a crap tone of that stuff and how whould it compare to normal liquid...

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my is of a diffrent concotion level so it is faster but has lower brisnice meaning there fore it is a propellent and not a explosive but it still...

2 Replies

28315 Views

Last post by quinn whitsitt
Tue Feb 13, 2024 1:01 pm
Potato cannon not igniting

Last post by mojangrecite
Replies: 3
by Reptoline » Fri Dec 15, 2023 2:33 pm

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My potato cannon is not igniting, I have tried adding different levels of butane and hair spray (roughly between 3 and 9% of the chambers volume) and...

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As hinted at in the previous post.... The most likely cause is incorrect fuel/air ratio. Unfortunately, this is not an easy thing to measure with a...

3 Replies

27660 Views

Last post by mojangrecite
Tue Dec 19, 2023 7:55 am
HGDT Guide

Last post by D_Hall
Replies: 5
by Nate55123 » Thu Nov 23, 2023 9:15 pm

First post

Does anyone have a access to the documentation for HGDT? Or can someone help me understand the software? The archive for GGDT works fine and I've...

Last post

I believe a stoichiometric mix ratio is assumed depending on the chosen fuel.

Correct. I am NOT going to loop in PEP or any similar combustion...

5 Replies

23467 Views

Last post by D_Hall
Mon Dec 11, 2023 9:29 pm
Dose UKARA cover spud guns in the uk

Last post by mrfoo
Replies: 6
by hhp » Sun Oct 15, 2023 3:36 pm

First post

Does UKARA cover spud guns in the UK as a spud gun is legally the same as an air rifle which is also covered by the UKARA i believe so does this mean...

Last post

Oh, for sure, realistically it's unlikely that having a pea shooter in your pocket will get you jailed. But always remember that ACAB; if they want...

6 Replies

16715 Views

Last post by mrfoo
Fri Nov 10, 2023 7:02 am
Ideal C:B ratio?

Last post by jackssmirkingrevenge
Replies: 3
by Joemama55 » Wed Oct 18, 2023 12:54 am

First post

Ive been attempting to build a perfect combustion spudgun which uses a propellant such as butane, but im struggling to find the best C:B ratio as one...

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You could try using HGDT to model your cannon instead.

Seconded, and as the creator of said program has expounded above, the real answer is it...

3 Replies

10746 Views

Last post by jackssmirkingrevenge
Thu Nov 09, 2023 9:45 am
Best wadding for combustion cannons?

Last post by jackssmirkingrevenge
Replies: 1
by Jadenthespudman » Tue Aug 01, 2023 7:00 am

First post

Been trying to find the best type of wadding for my cannon

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Welcome to the forum!

A little more detail about your cannon and the projectiles you intend to fire will help yield more useful answers to your...

1 Replies

6960 Views

Last post by jackssmirkingrevenge
Thu Aug 03, 2023 7:27 pm
Seeking Expert Design Optimization Guidance

Last post by Moonbogg
Replies: 4
by jackssmirkingrevenge » Thu Jun 29, 2023 11:21 am

First post

I'm making a maap gas powered cannon that will shoot 2.6 12 oz. projectiles (soda cans) . I'm trying to figure out the optimal, most efficient barrel...

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Any update on this?

4 Replies

31072 Views

Last post by Moonbogg
Mon Jul 10, 2023 9:22 pm
Spud gun disguised as classic artillery

Last post by mark.f
Replies: 7
by RLI3CDO » Fri Jun 03, 2022 8:40 am

First post

I am attempting to build spud cannons that closely resemble historic field artillery and naval deck guns circa 1860 - 1940. My first attempt is a...

Last post

Good work! Somebody already posted the video on syringe fueling I would go with that if you aren't willing to build a traditional meter.
The...

7 Replies

37617 Views

Last post by mark.f
Sat Aug 13, 2022 7:45 pm
How do you get consistent performance out of a "cheap" cannon?

Last post by hectmarr
Replies: 13
by An0nim » Sat Jul 09, 2022 2:16 pm

First post

I have a quickly made spud cannon and I'm trying to get it to have similar performance every shot. It boils down to 2 mayor issues:
-getting the...

Last post

CHEAP, UGLY AND FUNCTIONAL! :)

There is a caveat in that pretty is as pretty does , so when something is functional, there is a certain beauty in...

13 Replies

64194 Views

Last post by hectmarr
Wed Aug 10, 2022 10:47 am
Bottle Launcher "Mad Hilda XXL

Last post by Bazooka
Replies: 9
by Bazooka » Mon Jul 25, 2022 9:04 pm

First post

This is my advanced Bottle Bazooka.
I had an account here, but lost my email.
So maybe you will remember some of the used parts.

I wanted to get my...

Last post

That's it. It describes the effect perfectly. I use it like this:

9 Replies

16271 Views

Last post by Bazooka
Fri Jul 29, 2022 12:55 pm
inverted film

Last post by harle29

by harle29 » Mon May 23, 2022 3:13 am

Hello

i have an 8 bits sequence to print on film. The only way i have find is to apply an inverted “film look” lut to have a film print whit the...

0 Replies

49879 Views

Last post by harle29
Mon May 23, 2022 3:13 am
GoldGolfBallGun Progress

Last post by Moonbogg
Replies: 1
by GoldGolfBallGun » Wed Mar 02, 2022 4:12 am

First post

Currently 10% away from functionality, 60% away from envisioned goal.

Specifications:
- Measured Propylene and Propane fuelled with future plans to...

Last post

It looks beautiful! Excellent job.

1 Replies

7656 Views

Last post by Moonbogg
Fri Mar 04, 2022 1:58 pm
Cheap spark generator

Last post by mrfrozzer
Replies: 1
by iknowmy3tables » Wed Oct 13, 2021 9:28 pm

First post

Hey guys just a product heads up for a high voltage spark source.
These days I notice Amazon won't ship cheap stunguns to areas even adjacent to...

Last post

I used this coil in my cannon, but for a number of reasons I did not like it.
I think, now I found a better solution: an electric bbq lighter. It...

1 Replies

9126 Views

Last post by mrfrozzer
Tue Dec 21, 2021 10:15 am
New member, new toy.

Last post by Theonepbs
Replies: 2
by UncleDrMrBaby » Mon Jul 06, 2020 1:58 pm

First post

Hello all, I have the 'classic' PVC spudgun (muzzle loading, cost all of $30 including igniter), and was looking for a way to pretty it up. I...

Last post

looks like its going to be badass

2 Replies

17514 Views

Last post by Theonepbs
Fri Oct 01, 2021 2:02 pm
Oxy/Acetylene mini cannon questions.

Last post by mark.f
Replies: 21
by Tango71 » Tue Feb 03, 2015 1:32 am
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Before I start I will add that I understand the dangers of what I am doing and accept all responsibility should anything go wrong. Over the last...

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Can someone just please post an answer instead of always ratios and different things just how about what psi should we set the gauges to for oxy...
21 Replies

41048 Views

Last post by mark.f
Wed Jun 23, 2021 7:47 pm
Pressure Rated PVC Fittings

Last post by mark.f
Replies: 1
by JumboPancake » Thu Jun 17, 2021 10:45 am

First post

Hello,

I am looking to build my first combustion spud gun. I have found everything with a nsf-pw rating except for the bushing/reducer from 4 to 2...

Last post

It's obviously better to use pressure rated fittings, but in the past me and many others have used DWV fittings for simple combustions. That said,...

1 Replies

8568 Views

Last post by mark.f
Fri Jun 18, 2021 3:34 pm
Trouble with oxy/acetylene mix

Last post by jackssmirkingrevenge
Replies: 6
by Americannon » Wed Jun 16, 2021 2:32 am

First post

New hear, now I was just on 37 newspapers around the world front page for a homemade hail cannon. YouTube - Americannon for videos. I had a...

Last post

poor teddy :D

I really can’t test it anymore because our town made a new noise ordinance for me that I can’t shoot this wonderful device ....

6 Replies

19175 Views

Last post by jackssmirkingrevenge
Thu Jun 17, 2021 10:44 am

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