### 36.4.7. Wall Configuration

The Wall Configuration settings, which are available only for rotating components, are Tip Clearance at Shroud and Tip Clearance at Hub. A setting of Yes causes the applicable wall (shroud or hub) to be counter-rotating in the rotating frame of reference such that it is stationary in the absolute frame of reference.

Note that each of the settings affects only whether the applicable wall is counter-rotating or not. Thus, in the case of a hub-mounted swiveling blade with a clearance at the hub, it is true that the blade rotates with the hub, and so, for that case, the appropriate setting for Tip Clearance at Hub is No.

The default values for the Wall Configuration settings are Yes for Tip Clearance at Shroud and No for Tip Clearance at Hub.

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