Quote:
| Originally Posted by hat4349 I understand about back pressure on the exhaust, the pressure in the engine cylinders, but I don't understand what you mean by this statement. Please explain for me, thanks. |
Owners can and do carry a load of gear and spares. Flybridge type yachts arguably allow a bit more room to do this. Some owners (not all) run the boat at heavier loads at full rpm. Some boats and propeller sizing (again, not all) are designed to run most efficiently at loads less than full to the gunwales. An engine choice can (not always) result in the engines being run at less than ideal loading factors for considerable lengths of time. Ignoring the intricacies of torque characteristics and specific power outputs, some would advocate speccing larger, more powerful engines to counteract this.
Some (not all) would agree.