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Unread 13-01-2006, 03:38
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Richard Wallace Richard Wallace is offline
I live for the details.
FRC #3620 (Average Joes)
Team Role: Engineer
 
Join Date: Jan 2003
Rookie Year: 1996
Location: Southwestern Michigan
Posts: 3,646
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Re: What does 65, Shore A durometer feel like?

Look at the McMaster-Carr site. Use the find-products field to search on 'polyurethane'. Scroll about halfway down the page and you will find a graphic that describes durometer range using examples of various points on the scales for Shore OO, Shore A, and Shore D. [there is probably a faster way to get there but the above is easy for me to remember right now.]

Shore A 65 is considered medium-hard, somewhere between tire tread and shoe heel in hardness.
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Richard Wallace

Mentor since 2011 for FRC 3620 Average Joes (St. Joseph, Michigan)
Mentor 2002-10 for FRC 931 Perpetual Chaos (St. Louis, Missouri)
since 2003

I believe in intuition and inspiration. Imagination is more important than knowledge. For knowledge is limited, whereas imagination embraces the entire world, stimulating progress, giving birth to evolution. It is, strictly speaking, a real factor in scientific research.
(Cosmic Religion : With Other Opinions and Aphorisms (1931) by Albert Einstein, p. 97)