Abstract: The invention concerns an aircraft engine with an intake cone and a fan stage coupled thereto with a plurality of fan blades, wherein the fan blades are each connected to a drive shaft via a connecting means, wherein a sealing device for blocking air is arranged between a blocking air space and the interior of the intake cone, and during operation of the aircraft engine a leakage air stream flows out of the blocking air space via the sealing device, characterized by at least one outflow means for the leakage air stream in a component of the aircraft engine to allow a flow of the leakage air stream into the interior of the intake cone.

Abstract: A dual airfoil testing system includes a platform including a frame defining a chamber that is configured to receive a horizontal flow of air for testing a first airfoil and a second airfoil contained in the chamber and a control system including a controller to control a first attack angle stepper motor, a second attack angle stepper motor, at least one gap stepper motor, and at least one stagger stepper motor. The controller is configured to automatically control and adjust the stepper motors to control and adjust the attack angle of the first airfoil, the attack angle of the second airfoil, the gap between the first airfoil and the second airfoil, and the stagger between the first airfoil and the second airfoil.

Abstract: The invention provides, among other things, methods and systems for creating a customized colorable image of a user. An exemplary method may include receiving an indication of a selected colorable background. The method may further include capturing a real-time image of the user, where the user is adjacent to a predetermined background. An image of the predetermined background may be filtered out of the real-time image of the user to generate a filtered real-time image of the user. Then, the filtered real-time image of the user against the selected colorable background may be presented.

Abstract: The invention provides, among other things, methods and systems for creating a customized colorable image of a user. An exemplary method may include receiving an indication of a selected colorable background. The method may further include capturing a real-time image of the user, where the user is adjacent to a predetermined background. An image of the predetermined background may be filtered out of the real-time image of the user to generate a filtered real-time image of the user. Then, the filtered real-time image of the user against the selected colorable background may be presented.