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Joined: Oct 1999
Posts: 84,400
Marty Offline OP
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Great video of Physics Majors from the University of Belize launching a potato cannon.. Powered by flamable aerosol too. Looks like fun.

"Potato cannons may be for school projects, but they ARE weapons and can definitely inflict some serious damage on a person."


Joined: May 2011
Posts: 1,520
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Damn! I obviously went to the wrong school...I'm building one for the end of our dock to counter the jetski's and speeding boats...its a bit more sophisticated though and I plan on using cocoanuts...

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Joined: May 2007
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While y'all are working on your physics how about backing up to a little spelling?! smile
Or is that a "Britain" thing?

Joined: Oct 1999
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Marty Offline OP
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NICE Bear!!!!!!!

Joined: May 2011
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Yah, 'tis! The duty on cases of engine starter propellant is going to eat me alive Marty, but maybe I can get a neighbourhood(sic) watch to help underwrite a "shore battery".

I'm also working up an air burst version of the cocoanut(sic) shell to counter low flying aircraft. I do forsee a problem in that there may be a lot more "stuff" floating around in the water once I perfect that round...

[Linked Image]

Joined: Dec 2005
Posts: 623
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Proud to say the "engineer" that built this project is my Son!!!!! He is the guy wearing the cap!!!!!!!

Joined: Apr 2011
Posts: 42
C
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C
Wow! Just saw this one! WAY TO GO WILLIAM!!! Very cool school project.


*Namaste*
Cara
Joined: Jun 2008
Posts: 2,000
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R
My son built one of these about 10 years or so ago. It was a lot of fun but I was worried we where all going to get arrested especially one night firing it off into the woods from my rear deck. At night a flame would come out the barrel a few feet and it was louder than it seemed in that video. The potato would go about 100 yards or more. We used an igniter like you use for a Gas BBQ grill. Hair spray was the propellant.

I tell you one thing it you ever got hit with the potato you would be a hurtin puppy.


Jim
Formerly from somewhere on a beach in Belize

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