On Fri, 08 May 2009 07:19:07 -0500, Vic Smith
wrote:

You really should be able to adjust your trim while moving.
I found it very helpful even with a 5hp on a 12' boat.
That was easily done manually.

Been my limited experience with 5 horse motors that you get a choice
of about five notches. If it was infinitly variable, you would want to
adjust it underway, but that is not necessary to pick the best of five
by trial and error.

Casady