Contest #5 results

General discussions pertaining to the Armadillo Run Forum Contests should go here. Also contains the classic contest threads.

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Postby skeletalphrame » Wed Jul 12, 2006 12:20 am

Excuse my ignorance and lack of discovery, but what is welding?
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Postby kingofthespill » Wed Jul 12, 2006 12:29 am

It's the term for placing materials through other so they are loose but can be held by end nodes. There are many examples, like contest 2 winners Bob and Peter's solutions.
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Postby BFC » Wed Jul 12, 2006 12:31 am

When you place two pieces of material such that their end points do not connect but their bodies intersect. When you do this and press start the pieces that are welded together will move due to gravity or other forces placed on them until the end points of those two pieces touch at which point they will then prevent further movement in the direction they were moving when the end joints collided.

Such a wordy answer I know but that's the best I can do without a picture.

edit: Ah, thanks for the picture KOS!

-BFC
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Postby kingofthespill » Wed Jul 12, 2006 12:38 am

I want to give kudos to Biodroid for his unfolding bridge. I keep looking at it there is quite a bit going on to make the armoredillo move steadily. I often avoid making things that will later need rotating (as there is no way to rotate a group of materials :roll: ).

Squint did something similar, too, and that was pretty darn cheap.
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Postby BioDroid » Wed Jul 12, 2006 1:15 am

Thx, i just noticed that the second rope was uneccesary, I guess my optimalisation removed weight and I forgot to test it without the security rope... :shock: Squints variation of the concept is really nice.
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Postby Ogre » Wed Jul 12, 2006 1:24 am

BioDroid wrote:Thx, i just noticed that the second rope was uneccesary, I guess my optimalisation removed weight and I forgot to test it without the security rope... :shock:


I had that same experience while working on the contest. I had, and needed, an extra support rope for a long time. Even in the final configuration, if you change the timing on the launcher very slightly, the small rope attached to the sheets will snap when the ball hits the first sheet. If it hits at the maximum tension of the system, it's too much. It's right at the edge of not working, as all good solutions should be :D
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Postby dudiobugtron » Wed Jul 12, 2006 6:54 am

I just watched all the solutions, and my two favourite devices were both from cassius:

the pulley which is ACTUALLY a pulley!
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and attaching one end of the basket to a fixed point for easy armadillo retrieval: (I'm definitely stealing this one)

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Postby kingofthespill » Wed Jul 12, 2006 7:02 am

Aye, a real pulley wheel is nice and yet so rare (because of this darned budget thing)!
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Postby BioDroid » Wed Jul 12, 2006 1:05 pm

When is challenge #6 ready? Im bored... 8)
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Postby PeterT » Wed Jul 12, 2006 3:54 pm

It has been ready since Sunday, BFC is fast ;)
I will post it in about an hour.
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Postby BioDroid » Wed Jul 12, 2006 5:04 pm

:armadillo:
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Postby BioDroid » Mon Aug 07, 2006 11:42 pm

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Postby dudiobugtron » Mon Aug 07, 2006 11:59 pm

Woah this must have taken you ages BioDroid!

I always wondered why solutions weren't posted on the main site after a competition ended!
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Postby ?rjan Flatseth » Tue Aug 08, 2006 12:31 am

is it OK to tweak them and upload new records?
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Postby BioDroid » Tue Aug 08, 2006 12:40 am

I would guess so, the winners are stated in this forum anyway.

What does the admins say?
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