Fist cannon

Boom! The classic potato gun harnesses the combustion of flammable vapor. Show us your combustion spud gun and discuss fuels, ratios, safety, ignition systems, tools, and more.
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Insomniac
Sergeant 3
Sergeant 3
Posts: 1297
Joined: Mon Dec 18, 2006 3:47 pm
Location: Australia

Fri Feb 23, 2007 8:01 pm

Ok well I thought venting would reduce power because of this (they test a vented barrel at the bottom of the page)

What your saying makes sense though, it all depends on how the barrel vents are arranged and how many there are.
I wonder how much deeper the ocean would be without sponges.
Right now I'm having amnesia and deja vu at the same time. I think I've forgotten this before.

Add me on msn!!! insomniac-55@hotmail.com
SpudBlaster15
First Sergeant 3
First Sergeant 3
Seychelles
Posts: 2400
Joined: Wed Oct 18, 2006 11:12 pm
Has thanked: 2 times
Been thanked: 10 times

Fri Feb 23, 2007 8:24 pm

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Last edited by SpudBlaster15 on Wed Jul 14, 2021 1:22 pm, edited 2 times in total.
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joannaardway
Corporal 5
Corporal 5
Posts: 949
Joined: Mon Oct 09, 2006 4:57 pm
Location: SW Hertfordshire, England, UK.

Sat Feb 24, 2007 4:53 pm

Looking at this again, I feel my praise wasn't strong enough, so I'll re-attempt:

Excellent work - this is one of the finest first cannons I've ever seen - it easily beats the second or even third cannons of a large majority of people. Keep up the awesome work.
Novacastrian: How about use whatever the heck you can get your hands on?
frankrede: Well then I guess it won't matter when you decide to drink bleach because your out of kool-aid.
...I'm sorry, but that made my year.
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risto
Specialist
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Posts: 144
Joined: Sat Feb 24, 2007 8:07 pm
Location: Citrus County, FL, USA
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Sat Feb 24, 2007 10:11 pm

wow. i'm new to this forum, but i've been working with potato guns for a few years now and you did a very impressive job. Especially for your first gun.

only issue is the barrel, like it was already stated, a little longer would be better.

Any way we could get a pic of you holding it, to see your stance and the comfortability of it?
itwentboom
Private 4
Private 4
Posts: 61
Joined: Thu Feb 22, 2007 4:36 pm

Sun Feb 25, 2007 1:47 pm

I am trying a 10'5 barrel just waiting on my cam-locks. That is one upgrade im doing. Thanks for all the praise and barrel info. Look out for next week as my twin Mauler pneumatic will be complete. I also just got my chroni and will be testing different barrels and projectiles. Another combustion is also being made with two combustion chambers.
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