data.3news-bydate.train.rec.motorcycles.104985 Maven / Gradle / Ivy
From: [email protected] (Blaine Gardner)
Subject: Re: Shaft-drives and Wheelies
Nntp-Posting-Host: 130.187.85.70
Organization: Evans & Sutherland Computer Corporation
Lines: 18
In article <[email protected]> [email protected] writes:
>In article <[email protected]> [email protected] writes:
>
>> When did *you* go out and change the laws of physics? :-) According to some
>>numbers I used to see bandied around, shaft drive is on the order of 95-97%
>>efficient, while chain drive is closer to 99%... Seems to me that this makes
>>*chain* drive more efficient, hmmmmm???
>
>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 sources for all these numbers? Or is this more stuff that
"everybody knows"?
--
Blaine Gardner @ Evans & Sutherland
[email protected]