If water is non compressible then sound waves would travel though it
instaneously.

RB

"Wally" wrote in message
...
Does the concept of 'lift' apply to the fins or other underwater structure
on a sailboat?

If so, and if water is non-compressible, then what is its effect and how
does it work?


--
Wally
www.makearatherlonglinkthattakesyounowhere.com
Things are always clearer in the cold, post-upload light.