Vertical Tail Construction made of individual square sticks glued together - PowerPoint PPT Presentation

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Vertical Tail Construction made of individual square sticks glued together

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  1. Horizontal Tail Construction • Airfoil modeled as NACA 0012 • Zero lift airfoil at an angle of attack of 0 degrees • Ideal for use in tails • Horizontal tail created similar to the wing using spars and ribs • Ribs laser cut to dimensions of airfoil • Vertical Tail Construction • made of individual square sticks glued together • Miter box used to ensure proper angles used for optimal structural support • Leading edge was rounded for better aerodynamics • Control of the Plane • A 2.4GHz radio controller is used per the competition rules • The radio communicates with a receiver located in the plane • Servos are connected to the receiver and move accordingly with the controller input • Flaps, Ailerons, Rudder, Elevators, and Throttle are moved by push rods connected to servos • Payload Prediction • Aircraft must reach takeoff velocity within 200 ft. • Velocity required for takeoff is a function of weight • Takeoff velocity (Vto)is 1.2 times the stall velocity (Vs)of the aircraft • Takeoff distance (sg)is a function of takeoff velocity and acceleration • Acceleration (amean) is dependent on thrust, drag and friction