In message <[email protected]>, dated Wed, 23 Jul 2008, Fred Townsend <[email protected]> writes:
>After [re]studying the issue the MEs came to the conclusion that six, >2.5" casters were minimum, If 2.5" is the diameter, I would say that is too small. The ability to negotiate obstructions without sudden decelerations is far better with larger wheels. I would think that 4" might be more appropriate. My bog-standard 19" rack x 80 cm lab trolleys have 3.5" and 4" wheels. -- OOO - Own Opinions Only. Try www.jmwa.demon.co.uk and www.isce.org.uk Either we are causing global warming, in which case we may be able to stop it, or natural variation is causing it, and we probably can't stop it. You choose! John Woodgate, J M Woodgate and Associates, Rayleigh, Essex UK - This message is from the IEEE Product Safety Engineering Society emc-pstc discussion list. Website: http://www.ieee-pses.org/ To post a message to the list, send your e-mail to [email protected] Instructions: http://listserv.ieee.org/request/user-guide.html List rules: http://www.ieee-pses.org/listrules.html For help, send mail to the list administrators: Scott Douglas [email protected] Mike Cantwell [email protected] For policy questions, send mail to: Jim Bacher: [email protected] David Heald: [email protected] All emc-pstc postings are archived and searchable on the web at: http://www.ieeecommunities.org/emc-pstc
