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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