Cutaway view of the hollow fan shaft, hub, and rotor blades shows the blowing air path through this assembly. Air enters the rear of the assembly through an injection manifold where it flows into the hollow shaft by way of helical slots in the shaft wall. At the far end of the shaft, the flow is turned to the radial direction and divided into 16 channels for distribution to the base of each blade.
Last updated: June 2002
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