If we accept the following definition of Hz (from http://www.unc.edu/~rowlett/units/dictH.html) then surely Hz would be the obvious choice in replacing rpm?
"the SI unit of frequency, equal to one cycle per second. The hertz is used to measure the rates of events that happen periodically in a fixed and definite cycle; .............." cheers Baron Carter -----Original Message----- From: Ma Be [mailto:[EMAIL PROTECTED]] Sent: Wednesday, 17 July, 2002 09:36 To: U.S. Metric Association Subject: [USMA:21180] Re: What can we replace rpm with?... Ok, so first opinion appears to go against rad/s. Anybody else, please? Discussions?... Marcus On Tue, 16 Jul 2002 16:39:53 Joseph B. Reid wrote: >Marcus wrote in USMA 21151: > >>I feel quite strongly that rpm is also another... "idiocy" we could do >>without (sorry, couldn't find a better adjective for it). If we are to >>think of this property as "periodical" we could certainly think of >>replacing it with Hz (or a prefixed "version" of it, like cHz or mHz). If >>we think of "rotational speed" (in angular form) then we'd be talking >>about this in rad/s, I'd think. > > >It is easy to chang rpm into rev/s. x rpm = x/60 rev/s. To change rev/s >into rad/s is more difficult. y rev/s = 2?y rad/s. > >Joseph B.Reid >17 Glebe Road West >Toronto M5P 1C8 Tel. 416 486-6071 > Is your boss reading your email? ....Probably Keep your messages private by using Lycos Mail. Sign up today at http://mail.lycos.com
