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#435766 - 04/14/12 06:56 AM VIDEO: UB Physics Students Make Potato Cannon  
Joined: Oct 1999
Posts: 57,750
Marty Offline
Marty  Offline

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."

#435784 - 04/14/12 07:47 AM Re: VIDEO: UB Physics Students Make Potato Cannon [Re: Marty]  
Joined: May 2011
Posts: 1,520
Bear Offline
Bear  Offline
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...

[Linked Image]

#435789 - 04/14/12 07:54 AM Re: VIDEO: UB Physics Students Make Potato Cannon [Re: Bear]  
Joined: May 2007
Posts: 4,701
Rykat Offline
Rykat  Offline
While y'all are working on your physics how about backing up to a little spelling?! smile
Or is that a "Britain" thing?

GOP - The Party of Lincoln.
#435790 - 04/14/12 07:58 AM Re: VIDEO: UB Physics Students Make Potato Cannon [Re: Marty]  
Joined: Oct 1999
Posts: 57,750
Marty Offline
Marty  Offline
NICE Bear!!!!!!!

#435795 - 04/14/12 08:55 AM Re: VIDEO: UB Physics Students Make Potato Cannon [Re: Marty]  
Joined: May 2011
Posts: 1,520
Bear Offline
Bear  Offline
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]

#435934 - 04/16/12 07:40 PM Re: VIDEO: UB Physics Students Make Potato Cannon [Re: Marty]  
Joined: Dec 2005
Posts: 623
belizegial Offline
belizegial  Offline
Proud to say the "engineer" that built this project is my Son!!!!! He is the guy wearing the cap!!!!!!!

#437255 - 05/06/12 03:29 PM Re: VIDEO: UB Physics Students Make Potato Cannon [Re: belizegial]  
Joined: Apr 2011
Posts: 42
Cara Offline
Cara  Offline
Wow! Just saw this one! WAY TO GO WILLIAM!!! Very cool school project.

#437272 - 05/06/12 09:27 PM Re: VIDEO: UB Physics Students Make Potato Cannon [Re: Cara]  
Joined: Jun 2008
Posts: 1,994
ragman Offline
ragman  Offline
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.

Formerly from somewhere on a beach in Belize

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