Is sparks plugs (the same used on combustion engines) better than using screws to ignite propane or MAPP, and what should I use with the spark plugs, a stun gun? And is it possible to use various spark plugs wired in series ? I'm going to make a new combustion cannon, but I'm thinking in make it wit...

Thanks guys ;D, So, the distance increase between a spudgun without a fan and the other with the fan turned on is very large? An increase of 50% in distance maybe ? Performance increase won't be noticed as much if you are shooting spuds be cause of their irregularities and drag. Improvement will be...

Thanks guys ;D,
So, the distance increase between a spudgun without a fan and the other with the fan turned on is very large?
An increase of 50% in distance maybe ?

yes, this is the question.. it sound stupid but i need to know o.O
So, can I fire my spudgun with the fan turned on?

popomon wrote:does this use one of those ignitors from the long nose lighters or does it use a grill sparker of some sort?

its just a cheap long nose lighter..
well, my cannon is not sparking anymore, i will have to replace my old ignitor =[.. this will need a lot of work ..

i will post a image here to everyone who don´t know how to do this...


click to enlarge

Enjoy ;D .....

hey, thnaks..
errm... the trigger is just a lighter...
take out the gas tank and just add some wires to the chamber...
srry for my bad english xD

but i dont have a compressor, i will use my bike pump....
how much PSI can i make with that ?

i´m going to make a pneumatic marble or bb gun, but, i dont know what is the better chamber, a pvc pipe or a 500ml cola bottle ...

Hey! This Cannon is CRAZYY!! :!: !! Im going to make a cannon VERY SOON and im looking at tons online. Yours is DA BOMB! How the heck can you make it and what do i need to buy to make it? Its ok if you wanna keep it your special secret haha. But if u think its ok....GREAT! :D ok, here is xD to make...

well, can you recommend me a good setup for my cannon with at least 150cm of Length please... =]
thx

Specs:

Combustion Chamber = 7cm x 45cm
Barrel = 3cm x 90cm
C:B Ratio = 1:2
Propane powered
With a Computer Fan on chamber ...

If this specs are not good please tell me ;D

I want to build a marble rifle, but I don't have a compressor, and I want to make a combustion, so I have 2 questions... Is it safe ?? How much meters the marble can go ??

gwoloshyn wrote:Haha, nice videos man. Where do you live?

Thats a really fine cannon you have there.. What are you using for propellant?

thanks... I am brazilian but i live in japan.... and I am using a deodorant spray now ....

Congratulations... Nice gun and the disign is awesome ;D
Is that ball valve on the chamber removable ?
good job