On Fri, 14 Sep 2007 17:43:00 -0400, HK wrote:

There are shiny stainless props, painted
stainless props, painted alum props, et cetera, and they are used in
different lines of props designed for different purposes.

The shiny stainless props are always the fastest.

How do I know?

Take a look at the props on any boat that goes past you at 90 mph.