Path: cantaloupe.srv.cs.cmu.edu!rochester!udel!bogus.sura.net!news-feed-1.peachnet.edu!umn.edu!msus1.msus.edu!stafford.winona.msus.edu!user
Newsgroups: rec.motorcycles
Subject: Re: Shaft-drives and Wheelies
Message-ID: <Stafford-260493084451@stafford.winona.msus.edu>
From: Stafford@Vax2.Winona.MSUS.Edu (John Stafford)
Date: 26 Apr 93 08:56:03 -0600
Followup-To: rec.motorcycles
References: <1993Apr23.164901.13892@megatek.com> <735660736snz@morgan.demon.co.uk>
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Organization: Winona State University
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In article <735660736snz@morgan.demon.co.uk>, tony@morgan.demon.co.uk (Tony
Kidson) wrote:
> 
> Well maintained chains, running in oil, without those little rubber 'O' rings 
> to cause frictional losses, might reach 99% efficiency.  The average open to 
> the dust 'O' ring motorcycle chain probably has a difficult job making 90% 
> efficient.
> 

	How about some citations or is this just impressionistic speculation
	on your part?

 For 30 years I've been laboring under the delusion that chain drives
	were more efficient that shaft drives.  Chain drives are also stronger.
	(Ever seen a successful shaftie dragster?  No.)

	No flames, please!  I've got both kinds of drives.

====================================================
John Stafford   Minnesota State University @ Winona
                    All standard disclaimers apply.
