Fan assembly

摘要

A fan assembly (14) is provided. The fan assembly (14) includes a rotor (31) comprising a plurality of rotor blades, wherein at least one rotor blade is fabricated from a frangible material, and a casing (32) extending circumferentially about the rotor, the casing positioned a preselected distance from the plurality of rotor blades, the distance facilitates increasing an amount of initial resistance created between the casing and the plurality of rotor blades after a bladeout.