=?ISO-8859-1?Q?First_Aero_Rims_Re:_[CR]_Light_wheels_-_WAS_L=FCd?= =?ISO-8859-1?Q?ers_-_Masi?=

(Example: Framebuilders:Richard Moon)

Date: Wed, 15 Feb 2006 11:05:13 -0800
Subject: =?ISO-8859-1?Q?First_Aero_Rims_Re:_[CR]_Light_wheels_-_WAS_L=FCd?= =?ISO-8859-1?Q?ers_-_Masi?=
To: "David Bilenkey" <dbilenkey@sympatico.ca>
From: "Brandon Ives" <brandon@ivycycles.com>
In-Reply-To: <BAYC1-PASMTP05E8BE4FC87088FB59A619CEFA0@CEZ.ICE>
cc: classicrendezvous@bikelist.org

I know there were a few aero profile rims in the classic era. The earliest I remember were the Saavedra (sp?) and Araya in the early 80s.

Were there any aero profile rims before these? best, Brandon"monkeyman"Ives retro-techno-weenie in Vancouver, B.C.

On Wednesday, Feb 15, 2006, at 10:24 US/Pacific, David Bilenkey wrote:
> This is verging off topic, but all I'll say, is it might _feel_
> lighter,
> and
> more lively to have lighter wheels, but the numbers say it isn't
> actually
> faster. Give me aero over light, or aero and light if I was swimming in
> cash.
>
> http://www.analyticcycling.com/WheelsCritCorner_Page.html
>
> Read the http://www.analyticcycling.com/ site for a while, it might
> surprise
> you. Or maybe you already know this and you were just commenting on
> _feel_.
>
> David
> --
> David Bilenkey
> Ottawa, Ontario, Canada
> dbilenkey@sympatico.ca
>
>
>> -----Original Message-----
>> From: classicrendezvous-bounces@bikelist.org
>> [mailto:classicrendezvous-bounces@bikelist.org] On Behalf Of
>> Jerome & Elizabeth Moos
>> Sent: Wednesday, February 15, 2006 12:38 PM
>> To: Fred Rafael Rednor; classicrendezvous@bikelist.org
>> Subject: Re: [CR] Lüders - Masi
>>
>>
>> We've had this dicussion before, but it goes far beyond the
>> wheels part in determining total bike weight. The rims and
>> tires have a large moment arm about the axis of rotation (the
>> hub axle), while everything else, including the frame, has
>> essentially zero moment arm, so when it comes to accelerating
>> and braking, rim weight counts for everything, while frame
>> weight counts for nothing. So a bike with light wheels will
>> feel lively, while a lighter bike with heavier wheels will
>> feel more sluggish. This is the fundamental reason why I
>> don't believe modern bikes are better, or maybe even as good,
>> as those from the 70's. As the rear cluster has gone from 5
>> to 6 to 8 to 10 cogs, dish has had to increase, leading to
>> higher drive side spoke tension, which led to heavier rims to
>> withstand it. And acceleration and braking have suffered,
>> although the latter has been offset by better brakes. An
>> early 70's bike with Fiamme Ergals will usually feel more
>> lively than a $5000 modern carbon fibre wonder.
>>
>> Regards,
>>
>> Jerry Moos
>> Big Spring, TX