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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First post

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

641312 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

215043 Views

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

Topics

PeizoElectric

Last post by elitesniper
Replies: 7
by elitesniper » Fri Feb 08, 2008 12:22 am

First post

Hey guys do you know how many clicks those piezoelectric ignitors for grills last?

Last post

save the receipt lol

7 Replies

1697 Views

Last post by elitesniper
Fri Feb 08, 2008 12:54 am
The D.S. Pistol

Last post by FeLeX
Replies: 7
by FeLeX » Tue Feb 05, 2008 6:58 pm

First post

You guys should most def check this out.
Maybe the plans can be modified and a barrel can be implemented in the design.

Last post

Hmm. =/ Well I still think its a coll lil design.

7 Replies

2688 Views

Last post by FeLeX
Thu Feb 07, 2008 7:35 pm
Homemade ignition help

Last post by ralphd
Replies: 20
by souljahz_unite » Fri Jan 04, 2008 12:47 pm
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First post

Hey there,

Im currently working on a different ignition than the usual bbq ignitor and things like that. Ive taken apart a disposable camera and...

Last post

That was very nice but I thought it went a little fast. I bought a cheap throw away for the very same purpose but the insides didn't look like that....
20 Replies

6163 Views

Last post by ralphd
Thu Feb 07, 2008 7:04 pm
Cannon Consistency

Last post by crashman287
Replies: 19
by crashman287 » Wed Feb 06, 2008 12:15 am
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Ok, so I have been assigned the task of building a potato launcher with the specific task of being able to a target 150 feet from the launch point,...

Last post

Thats not a bad idea. Better than what I had before. I'm going to try and see if I can get a hold of one of the fuel cans, but if not that would...
19 Replies

4446 Views

Last post by crashman287
Thu Feb 07, 2008 10:25 am
I have no clue what I am doing, and want to impress friends.

Last post by MrCrowley
Replies: 8
by PEG » Wed Feb 06, 2008 8:47 pm

First post

I need help i have a bunch of so called friends with spud canons but i have no diea how to make one and my friends dont want to tell me how to make...

Last post

This is what happens when you don't abide to the rules.

Hopefully you now know to always do some research before posting.

Read the above posts and...

8 Replies

2470 Views

Last post by MrCrowley
Wed Feb 06, 2008 10:23 pm
Quick venting question(s)

Last post by MaxuS the 2nd
Replies: 1
by revans » Wed Feb 06, 2008 4:47 pm

First post

I am in the process of making a semi-advanced combustion and just was wondering how necessary it is to be able to vent the chamber via a ball valve...

Last post

You need to properly vent the chamber to allow fresh, unused oxygen in for the reaction to work well.
I don't think 1/4 would be enough. You could...

1 Replies

1226 Views

Last post by MaxuS the 2nd
Wed Feb 06, 2008 5:11 pm
mini cue tip cannon

Last post by dutch
Replies: 24
by mikenike192 » Sat Jun 03, 2006 12:19 pm
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i wanted to make it so i can inject the butane in there automatically but i didnt know how. This thing kills it hurts comparable to a paintball gun....

Last post

if you want real power try starter fluid for gas engines :twisted:

thats what ether is
24 Replies

14883 Views

Last post by dutch
Sun Feb 03, 2008 5:40 pm
First recycled cannon (Tennis Ball Launcher)

Last post by thespeedycicada
Replies: 10
by dapaintballer331 » Mon Jan 21, 2008 9:13 pm

First post

Parts:
1 2 Liter bottle
2 Pringles cans
Cotton balls
Packaging Tape

I drilled a hole in the bottom of the pringles can just big enough to get a 2...

Last post

i smell a ghetto award....

10 Replies

5991 Views

Last post by thespeedycicada
Sun Feb 03, 2008 12:46 am
How many mL of butane in a 500ml chamber?

Last post by Matheusilla
Replies: 2
by devilman » Sat Feb 02, 2008 2:30 am

First post

Im just trying to work out the ammount of butane i need to put into a 500ml combustion chamber, is anyone able to tell me? i tryed useing the...

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You can use the spud tool calculator to get a fairly close measure. I use it a lot and it's easy to use.

2 Replies

1114 Views

Last post by Matheusilla
Sat Feb 02, 2008 10:01 am
Least elegant cannon ever

Last post by Deterrent
Replies: 3
by Deterrent » Fri Feb 01, 2008 1:06 pm

First post

It cost less than 25 euros to make, and took about 30 mins to build (and 12 hours for the glue to dry). It works, and it's pretty fun. Needs a new...

Last post

You really could have put a longer barrel on this to gain more power.
Whats with the quick connect on the back, venting? That piezo will only last...

3 Replies

2957 Views

Last post by Deterrent
Sat Feb 02, 2008 3:36 am
Combustion Chamber Question.

Last post by TwitchTheAussie
Replies: 2
by revans » Fri Feb 01, 2008 1:53 am

First post

Hey there i just need to know if, when being all technical and precise, the chamber is everything behind the ammunition, so say in an over-under...

Last post

Yep. The bigger the better they say. Now hurry up and get it done for us to see. Welcome to the site.

2 Replies

1141 Views

Last post by TwitchTheAussie
Fri Feb 01, 2008 5:26 am
the ugly sexiness

Last post by rna_duelers
Replies: 4
by jook13 » Thu Jan 31, 2008 1:02 am

First post

Hey all... my first cannon. first post too. I built this about 2 years ago after remembering a cannon that my friends dad had. It was around ten...

Last post

Please we don't like being called freaks,we have medical term for it-Spud Induced Psychosis!And you seem to be showing signs of it :wink: .

Nice...

4 Replies

1837 Views

Last post by rna_duelers
Thu Jan 31, 2008 2:53 am
My second Cannon

Last post by brother361
Replies: 15
by anixon88 » Thu Jun 14, 2007 1:09 am
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First post

Hey everyone
this is my second combustion cannon, and it worked out great

This is what i started with about a month ago, it took a while cause im...

Last post

thts pretty nice is it ABS
15 Replies

8441 Views

Last post by brother361
Wed Jan 30, 2008 2:44 pm
Calculating Distance with angle of launch

Last post by F.E.A.R._Sniper
Replies: 7
by flamerz14 » Sat Jan 19, 2008 6:51 am

First post

I'm gonna build an All-terrain RC vehicle with a combustion on it. (no, i'm not gonna release ANY details on it anytime soon :D ) I was wondering...

Last post

why don't you just use servo's or pnuematics or something so that you can remotely move the barrel up and down?

it just makes sense :idea:

7 Replies

2313 Views

Last post by F.E.A.R._Sniper
Wed Jan 30, 2008 8:23 am
Tater Tosser V.1

Last post by STHORNE
Replies: 8
by BlackWater18 » Mon Jan 28, 2008 12:31 am

First post

This is my third Combustion cannon that I have built. It is by far the best cannon I have built.

Cannon, chamber and barrel apart.

Chamber...

Last post

oh, nice idea....

lol, i cant stress enough how important it is to cover all exposed areas if you dont wanna get zapped.

the wiring isn't too...

8 Replies

3786 Views

Last post by STHORNE
Tue Jan 29, 2008 5:13 pm
Epic Fail?

Last post by dewey-1
Replies: 12
by singularity » Sun Jan 27, 2008 8:36 pm

First post

this sucks the automated part of my propane mortar is anything but automated. i finished it about a week ago and gave it to one of my friends so we...

Last post

--

12 Replies

3488 Views

Last post by dewey-1
Tue Jan 29, 2008 1:38 pm
First steel cannon

Last post by Khyren
Replies: 16
by Khyren » Thu Jan 24, 2008 11:18 pm
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First post

here they are after I took the vid

Khyren

Last post

Well, I do have a rather intricate plan for the propane and oxygen metering system. There also is a compressed air tank for venting so making it a...
16 Replies

6726 Views

Last post by Khyren
Mon Jan 28, 2008 6:56 pm
Christmas '07 Combustion Project

Last post by starman
Replies: 19
by starman » Tue Jan 22, 2008 12:11 am
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First post

My son and I decided around Thanksgiving we wanted to build an advanced combustion gun over the Christmas holidays. We had built a couple of the...

Last post

Rit im guessing? im guessing your son is in engineering, just curious. Im entering ME there next fall.

Yup, well Computer Science actually....like...
19 Replies

8521 Views

Last post by starman
Mon Jan 28, 2008 12:59 am
alternative mixing

Last post by jon_89
Replies: 13
by jon_89 » Sun Jan 27, 2008 2:15 am

First post

any other ways to mix and vent besides fans and pumps? i read somewhere that putting bbs in the chamber will help mix.

Last post

Ragnarok you want to share with us your special metering system with us? Tha is what I am trying to do is make an advanced mini just because you...

13 Replies

2999 Views

Last post by jon_89
Sun Jan 27, 2008 6:57 pm
Loss of power

Last post by jimmy101
Replies: 33
by Kaotik Kustoms » Tue Jan 15, 2008 7:09 pm
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I just built my first cannon (a small one) It has a 3 dia chamber by 12 long and it reduces down to 1.5 I'm using dentured alchol in a spray bottle...

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A 20lb propane tank would last, well, lets see, I would say it will last until October 31, 3245. A 20lb tank would be something like tens of...
33 Replies

8497 Views

Last post by jimmy101
Sun Jan 27, 2008 3:56 pm
syringe meter

Last post by SPG
Replies: 8
by jon_89 » Sat Jan 26, 2008 11:27 pm

First post

So I am going to use a syringe for my combustion gun and I was reading the wiki and here is what it said When the tank valve is opened the syringe...

Last post

Bit wasteful of gas isn't it? After all, what you're basically doing is filling your syringe with gas at almost the pressure inside the cylinder and...

8 Replies

1894 Views

Last post by SPG
Sun Jan 27, 2008 12:08 pm
Stun Gun Ignition

Last post by mark.f
Replies: 5
by ralphd » Fri Jan 25, 2008 10:17 pm

First post

I just received my new stungun from someone on Ebay and after scaring the crap out of the cats I opened it up. This seems to be cheaper and easier to...

Last post

Aren't the gaps on those circuit boards 0.1 spacing, (IC spacing)? At 29 sparks, doesn't that put the gap at around 2.9 ?

EDIT: nevermind, those...

5 Replies

2279 Views

Last post by mark.f
Sun Jan 27, 2008 9:09 am
My first Advanced Combustion (Updated, My first shot)

Last post by SpudUke5
Replies: 25
by SpudUke5 » Sat Jan 05, 2008 10:05 pm
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Well this is my first, as you can see from the title and it wasnt hard really to make but i just have 1 thing that concerns me. the meter isnt very...

Last post

You really think sprinkler.com is expensive?

i really dont becuase when i compared the prices of Mcmaster carr and sprinkler.com, i ended up getting...
25 Replies

7889 Views

Last post by SpudUke5
Sat Jan 26, 2008 11:09 pm
will this work

Last post by Hubb
Replies: 6
by invalid-username » Fri Jan 25, 2008 4:34 am

First post

i have made a simple cannon.
specs
65mm chamber
32mm barrell
relevant reducers

ignition
piezo with two screws on the inside

will it...

Last post

That has got to be the world's weirdest username...

I like the name

Why wouldn't it work?

Because Ragnorok said so....and that's the bottom...

6 Replies

1922 Views

Last post by Hubb
Sat Jan 26, 2008 6:01 pm
barrel size

Last post by jimmy101
Replies: 19
by jackh » Tue Jan 22, 2008 4:39 pm
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First post

i have one gun that has 2 feet of 3 in pipe for combustion chamber and 4 ft of 1.5 in barrel. it shoots farther/better than my other gun that has 4...

Last post

so if im not gonna get a fan, when i spray the fuel in the chamber, would it be best to wait a little bit after screwing on the cap for the fuel to...
19 Replies

5648 Views

Last post by jimmy101
Sat Jan 26, 2008 5:56 pm

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