Long description of figure 3

Illustration showing actuator location, seals, rub surfaces, rudder, and inboard and outboard sides. Early rub surface design moves away from seals during re-entry heating, whereas redesigned rub surface stays in contact with seals during re-entry heating. Old design deflects up to 0.035-in. on the inboard side and up to 0.163-in. on the outboard side.

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