Re: [PSUBS-MAILIST] Re:

[Carl Kem <dustyut@lasal.net>]

Theoretically, yes.
Carl

Dale wrote:

> -----Original Message-----
> From: Carl Kem <dustyut@lasal.net>
> To: personal_submersibles@psubs.org <personal_submersibles@psubs.org>
> Date: Wednesday, February 28, 2001 10:00 AM
> Subject: [PSUBS-MAILIST] Re:
>
> >Dale, excellent query!  While the principle is similar to aerodynamics,
> >hydrodynamics is indeed a bit different with a twist.  The twist is
> >while you really cannot compress the water with the airfoil design, keep
> >in mind that you are acting against a liquid object.  Water has more
> >mass than air does.  So when you use the airfoil, you are not
> >compressing it as much as you are directing it.  You may be able to
> >direct it in a ditch or canal, but in a lake or ocean, you are directing
> >yourself.  You are moving, and you are by far smaller than the ocean
> >itself.  Therefore when you direct the water with the rudder/plane
> >you're telling the water, "Hey, I wanna go over here!".
> >Carl
> >
> >
> So it would not realy matter about the airfoil design much at all .. It
> would be more important to make it streamlined, to reduce drag.  Is that
> right??
> dale.

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"In times like these, it helps to recall there have always been times like
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