Tiara designs its boats with sufficiently large-diameter prop shafts — machined from Aquamet 22 high-strength stainless steel — to eliminate the need for more than one strut, Eggerding says. “This ...

Classification society DNV GL DNV GL informed that it will update its shaft alignment design rules to ... lubrication rule criteria for the aft most propeller shaft bearings.

First, don’t overlook the prop. A floating four-by-four can knock a blade out ... too for no more than five-thousandths variance. TIP: When checking the alignment of the shaft couplings it’s best that ...

Representing a breakthrough in the evolution of a ship’s propeller shaft line ... and associated loss of earnings; shaft alignment optimization, lower bearing wear rates, better EEDI; and ...