On Mon, 12 Mar 07, "Shaun Van Poecke" wrote:
Im guessing they wouldnt have as much usable thrust as the 9.9 with
its bigger prop, but probably a higher top speed?

Shaun, as you can tell from the replies so far, we need to know your
intended use ....
a) pushing a displacement hull
b) pushing a planing hull
c) combination of both "a" & "b"
d) none of the above

Rick