Flap Control of Incidence Hinge Moment and Foil Cavitation, Wright, 30 Apr 73(0133)
The use of flaps to control the incidence hinge moment and cavitation characteristics for incidence lift control foils is examined in the light of measured prototype lift and moment characteristics of Hydrodynamic Note AG-13, "Analysis of AG(EH) Prototype Fwd. Foil Lift and Moment Data," 2/15/73. The flap management considered here is a function of speed and is critical only at minimum flight speed, to avoid crossover, and at maximum speed, to avoid exceeding design hinge moment. The numerical summary is for the AG(EH) forward foils but is typical for foils of any size and of any speed less then 50 - 60 knots.