Re: [CR]Constructeurs? Tires, NOW Wave of the future


Date: Sun, 13 Nov 2005 14:27:38 -0800
From: Kurt Sperry <haxixe@gmail.com>
Subject: Re: [CR]Constructeurs? Tires, NOW Wave of the future
Cc: classicrendezvous@bikelist.org
In-Reply-To: <111320052120.13982.4377AE010007351C0000369E2206998499020E000A9C9D0A08@comcast.net>
References: <111320052120.13982.4377AE010007351C0000369E2206998499020E000A9C9D0A08@comcast.net>


hersefan@comcast.net <hersefan@comcast.net> wrote:
>
> A fat tire has an aerodynamic dissadvantage that grows much more
> significant at higher speed.
>
> Aero can be surprisingly resistant to intuitive analysis. Without hard
> empirical data to support such a conclusion I'd be reluctant to assume th at
> wider tires are necessarily a higher drag solution than narrow ones. In
> straight line conditions the tire is from a head on perspective largely
> sharing the same frontal area as much of the trailing machinery/rider.
> Remember a relatively "fat" fairing on a motorcycle can reduce drag in sp ite
> of an increase in total frontal area by parting the oncoming airflow more
> "gently".

I'm by no means claiming that a fat tire will reduce drag, merely that
> without better knowledge it isn't safe to assume one way or the other.

Kurt Sperry Bellingham WA


> --
> fineartscrimshaw.com http://fineartscrimshaw.com