On Oct 1, 11:36*am, Goofball_star_dot_etal
wrote:


The point is not that I am a "clever clogs" but that you publish stuff
as an "expert" and get it plain wrong. As it happens I am just "an oily
rag".

For the record: I have never claimed to be an expert on aerodynamics
and I'm not. I'm just a writer. I've also never claimed to have
"discovered" anything new about the subject as has often been
claimed. I wrote a couple of articles on the subject once that an
aviation magazine published and a professor of aerodynamics found
useful as an introduction to the subject.

I'll also agree BTW that the web page with the circulation animation
isn't very good. I'd forgotten it was there until you brought it up.
The text isn't from the article but something I threw together quickly
to present the animation (which is from wind tunnel photographs and
not my interpretation of any physics) when the question of flow around
sails came up here quite a while ago. The page isn't linked on my web
site and therefore not really "published". Some of your comments are
valid and I'm going to rewrite it if I ever decide to provide a direct
link to it.

--
Roger Long