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| ....you can't go to a single FIRST event without someone saying "Hey, Look! It's SuperNerd!" - [more] |
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#1
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Orbit Balls
1. what is their wheigt is grams?
2. what is the name of the fabruc they were originally made of? thanks a lot May Walter, Team 3038. 
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#2
25-01-2009, 10:13
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Re: Orbit Balls
Weight is half a pound. That's 8 ounces. 8 x 28 g/oz = 224 grams (approximately).
The fabric is Spandex (like is used for bicycle riding pants)
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#3
25-01-2009, 10:27
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Re: Orbit Balls
Quote:
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#4
25-01-2009, 12:28
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Re: Orbit Balls
And extras can be found at Walmart, I believe. We were able to get about ten additional the day after competition. Only problem is they are about ten dollars a ball
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#6
25-01-2009, 12:40
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Re: Orbit Balls
you got that right..
nothing is easy when located so far away. 
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#7
25-01-2009, 15:42
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Re: Orbit Balls
May:
the bands on the inside can be made from lexan plastic, and the padding can be either very thin foam, or just cotton batting (we used cotton - cheaper and easier to work with). Although the original balls use a plastic connector to connect the bands when you fold them, we have used two holes (drilled in the end at a diagonal from each other) so that if you overlap the ring ends you can put a pop-rivet through the holes and attach. There are several good step-by-step construction instructions on Chief Delphi, or feel free to contact Team 1511 at www.penfieldrobotics.com for help with construction tips. Since we're making over 100 of them to host a local competition we've been getting pretty good at it  Cheers,
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#8
25-01-2009, 15:53
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Re: Orbit Balls
One of the coaches massed a few of them, and they are 235g.
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#10
25-01-2009, 20:40
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Re: Orbit Balls
No problem, he wrote it on some of them. At first I thought we had bummed some orbit balls from team 2359.
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#11
25-01-2009, 21:33
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Re: Orbit Balls
Here are two links that might be helpful...
HOW TO: Make Homemade Orbit Balls http://www.chiefdelphi.com/media/papers/2187? and Orbit ball template http://www.chiefdelphi.com/forums/sh...ght=orbit+ball You might be able to make them from these...
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