Flow Directing Duct (FDD)
3%-5% power savings
Flow directing duct (FDD) is a stationary flow-directing device positioned ahead of the propeller. The propulsive efficiency can be improved by equalizing the inflow to the propeller via the duct.
Flow directing duct (FDD) is a stationary flow-directing device positioned ahead of the propeller. The propulsive efficiency can be improved by equalizing the inflow to the propeller via the duct.
