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Unread 03-02-2009, 08:57
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Re: Actual Composition of Orbit Balls!

Great info! Our homemade orbit balls are also much stiffer than the regulation ones. They behave quite differently in our scoring mechanism as a result. We will look into polypropylene for any more balls we try to make.

By the end of the year, I have a feeling that I'm going to know much, much more about the intricacies of orbit balls than I ever wanted to.
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Unread 03-02-2009, 09:02
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Re: Actual Composition of Orbit Balls!

great job!

FT-IR is a very cool method of determining material composition
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Unread 03-02-2009, 09:25
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Re: Actual Composition of Orbit Balls!

Sigh...now she tells us...

Thanks Ducky!

We are still optimistic that the homemade balls will give the Rochester area teams a good testing at our pre-ship rally, but it sounds like its good that we do have a reasonable supply of the "real" ones for teams that it might impact. I'd be interested to hear the experiences of teams who have found a difference in their robot's function from using store bought vs homemade balls. Give a few more details than just a statement of they didn't work the same. Was it because of compression, size, stickiness, stiffness?
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