... The drag created by the wing in the process of generating lift
would be greater than any drag saved by lifting the boat... otherwise
you'd have a perpetual motion machine.


Scout wrote:
" . . . and that stupid perpetual motion machine that Lisa made just keeps
going faster and faster. Lisa! In this house we obey the laws of
thermodynamics!"
Homer Simpson in "Disbanding of the PTA"


If there was a perpetual motion machine that mowed the lawn,
I'd be in favor of it.

You wanna try to explain the difference between a wing keel
and a hydrofoil to ChuckieM/Krusty/BB? Other than that one
is very heavy and increases stability by use of much lead,
and the other is as light as can be made for the strength
needed?

DSK