- John Sohl via Phys-l <phys-l@mail.phys-l.org>To:phys-l@mail.phys-l.orgCc:John SohlTue, Mar 30 at 11:37 AM
/// One fluid dynamics effect is that the fluid speed right at the surface is
effectively zero and then increases as you get further from the surface.
(Ever wonder why fan blades get dusty?) ////
John was obviously referring to the leading edge of the prop when he mentioned "the surface"rather than the fluid surface.