Newsgroups: rec.motorcycles
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From: car377@cbnewsj.cb.att.com (charles.a.rogers)
Subject: Re: Shaft-drives and Wheelies
Organization: AT&T
Date: Sun, 25 Apr 1993 01:38:52 GMT
Message-ID: <C60n8u.I8y@cbnewsj.cb.att.com>
Summary: *Tough* o-rings
References: <1993Apr23.164901.13892@megatek.com> <735660736snz@morgan.demon.co.uk>
Lines: 17

In article <735660736snz@morgan.demon.co.uk>, tony@morgan.demon.co.uk (Tony Kidson) writes:
> 
> 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.

So of the 120 hp produced by my FJ1100 engine, 

      12 hp  * (745.7 watts)/1 hp = 8.948 kilowatts 

is being dumped into 220 leetle tiny o-rings?  That's 40.67 watts per
o-ring!  Seems a little *hot*, doncha think?

:-O
Chuck Rogers
car377@torreys.att.com
