Relay-Version: version B 2.10 5/3/83; site utzoo.UUCP Posting-Version: version B 2.10.2 9/18/84; site burl.UUCP Path: utzoo!watmath!clyde!burl!ahs From: ahs@burl.UUCP (Spinks Albert H. ) Newsgroups: net.auto.tech Subject: Re: Continuous Transmission Message-ID: <923@burl.UUCP> Date: Sat, 9-Nov-85 11:21:03 EST Article-I.D.: burl.923 Posted: Sat Nov 9 11:21:03 1985 Date-Received: Sun, 10-Nov-85 08:38:30 EST References: <10878@ucbvax.BERKELEY.EDU> <922@burl.UUCP> Organization: AT&T Technologies, Burlington NC Lines: 46 > > > > Have anyone heard about this so-called continuous > > transmission? According to some friends, a car equipped with > > one was presented in this year's Automobile show in Turin, > > Italy. > > As it was described to me, it is basically a pair of > > controllable variable diameter wheels linked by a belt; which > > enables the driver to choose among any of the infinitely many > > transmission ratio possible. > > Any information would be helpful. > > Thanks, > > --Marcio > > > > carvalho@ucb-vax.edu > > ucbvax!carvalho > > *** REPLACE THIS LINE WITH YOUR MESSAGE *** > The type of transmission you have discribed has been used on farm equipment > for at least 25 years, especially large grain combines. The system is > composed of two variable diameter pulleys with a belt in between. One > pulley has a hydrolic cylinder attachment that controls its diameter > and the diameter of the second cylinder simply 'follows' the first > through a spring loaded arrangement. The hydrolic system is under the control > of the operator. > > This system works quite well; at least the ones that I am familiar with did. > No maintenance was ever required, etc. But they were huge; size was not a > serious factor on the side of a big piece of field equipment. It is hard > for me to picture a manufacturer development anything like the above that > would fit in as small a space as our standard car transmissions. > > -- > > > > > Albert H. Spinks - 71BU072120 *** REPLACE THIS LINE WITH YOUR MESSAGE *** hydraulic instead of hydrolic---sorry about that -- Albert H. Spinks - 71BU072120