On Wed, 01 Oct 2008 10:27:40 +0000, Larry wrote:

A lot of the propulsion noise you hear in a boat is transmitted by rigid
engine mounts to keep it aligned which are marginal dampers and through
the shaft to hull bearings, themselves. Diesel-electric eliminates

You haven't been around inboard runabouts with straight pipes that can
be heard for miles.

Casady