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Unread 14-03-2009, 16:22
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VEX Robotics Engineer
AKA: Arthur Dutra IV; NERD #18
FRC #0148 (Robowranglers)
Team Role: Engineer
 
Join Date: Mar 2005
Rookie Year: 2002
Location: Greenville, TX
Posts: 3,078
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Re: pic: Yeah!! We finally finished making Orbit Balls!!

Quote:
Originally Posted by Cynette View Post
Our balls were substantially stiffer than the factory manufactured ones, but were still usable by most teams for testing and practice. One suggestion to make them more flexible is to use tape to connect the ends rather than the rivets.
I wish I had known about this back when we wrote the white paper, but the material inside a real Orbit Ball is polypropylene. McMaster sells 4'x8' sheets of 1/16" thick polypropylene for $29.16 and 3/32" thick sheets for $41.20.
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Art Dutra IV
Robotics Engineer, VEX Robotics, Inc., a subsidiary of Innovation First International (IFI)
Robowranglers Team 148 | GUS Robotics Team 228 (Alumni) | Rho Beta Epsilon (Alumni) | @arthurdutra

世上无难事,只怕有心人.
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