Re: [PSUBS-MAILIST] No more gel-coat!

[Carl Kem <dustyut@lasal.net>]

Rich, I don't see why you would be kicked from this list.  As for the
sandpaper idea, I never thought of it till you mentioned it, and it
sounds pretty darn good to me.  Maybe they should try that with the
SSBN's, you think?
Carl


Richard Gordon wrote:

> As I may be getting kicked out of the group soon, I thought I'd better
> share this last bit of info before I go. It has to do with drag
> reduction. Gel-coat and similar coatings on your submarine cause what
> is known as a boundary layer. This a layer of slower moving water
> against the surface of the vessel. Studies by various groups have
> shown that haing an extremely rough surface creates microscopic
> turbulance on the surface, thus breaking-up the boundary layer and
> reducing drag dramatically. It is for this reason that sharks have
> such rough skin. Other fish do not have rough skin, because unlike the
> shark, they use their boundary layer to contribute to their
> propulsion. They generate the laminar-flow with their whole bodies,
> whereas the sharks only use their tale. So coat your subs in
> sand-paper and you'll be okay!! lol Rich

--
"In times like these, it helps to recall there have always been times
like these."-Paul Harvey