Maksimaalse kumeruse kaugus profiili ninast mõjutab samuti tunduvalt profiili aerodünaamilisi omadusi. See suurus väljendatakse samuti protsentides kõõlu pikkusest.
The Centre of Pressure moves forward and the magnitude of the lift force increases with increase in angle of attack until the stall is reached when the lift force decreases abruptly and the Centre of Pressure generally moves back along the chord.