ARRANGEMENT IN A PROPULSION SYSTEM

摘要

In a counter rotating propulsion system (CRP), whereby the aft propeller (22) and the forward propeller (6) have opposite directions of rotating and the aft and forward propellers are arranged against each other, the forward propeller is provided with a hubcap (30), wherein at least two equally distributed flow plates (28) are arranged on the cap (30) and the flow plates (28) are radially projecting from the cap (30).