2009 Pumpkin Chucking

Saturday, October 31st, we will be seeing how far our contraption will fling a pumpkin...

Page down for pictures from the competition...


We tested it on the 24th...

Assembling...


building the trebuchet
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Assembling the frame
building the trebuchet
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ready to mount the arm
building the trebuchet
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Assembling the trebuchet for testing



Test throw
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Test firing the trebuchet. That dot near the top of the frame is the flying milk jug.


Impact
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Splash... a milk jug full of water lands


And the remains of our surrogate pumpkin
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The remains of the milk jug


We are heading back to the workshop to make adjustments to our device...

After some re-engineering
We again test fired — this time with a football


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Ready to launch the football
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Football heading up and down range
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Flinging a football down range



Resetting the trigger and re-loading
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Arming the trebuchet


Firing again... Milk jug this time


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Another test firing, after some re-engineering
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A milk jug going almost straight up... need make some adjustments



Reset and reload — we are losing our light
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One last check before the release


Last test..
This one went almost straight up


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Release!
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It's going up... mainly up...
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Another shot of the almost straight up shot... This is why we stand way off to the side...



The Competition
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Assembling the device




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The 299th Seige Artillery Battalion
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One of our competitors... a rope torsion powered Onager (catapult).





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First test firing of the day
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Launch...
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Away it goes... up...
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Separation -- maybe a little early
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Flying pumpkin





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Ready for firing...

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Another squash on it's way to squashing





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Loading the pumpkin




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And another launch
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Much better release point this time...
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Shot away...




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Loading more counter weights...




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Another shot, another angle -- look at the bowing of the arm
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Release...




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Setting the trigger




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Another release -- frame 1 of 8
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Frame 2
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Frame 3
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Frame 4
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Frame 5
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Frame 6
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Frame 7
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Frame 8



Broken machines
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There were some broken machines... The safety rules ensured no one was hurt, and it was the last shot of the competition.


The measuring crew
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The measuring crew


Packing up for the day


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Taking it apart
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Taking it apart



Created by Peter Sanders. Last Modification: Monday 02 of November, 2009 10:40:07 CST by Peter Sanders.

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