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QUIZ🚨🤔 The angle of attack for a propeller blade is the angle between blade chord line and? a. Aeroplane heading. b. Principal direction of propeller blade. c. Local air speed vector

QUIZ 🤔 The vertical flight of a helicopter is controlled by? Increasing or decreasing the RPM of the main rotor Cyclic pitch changes Collective pitch changes Any of the above

Landing gear is a crucial system on every flight. Crucial systems require the best fluid control components. Choose Lee.

Identify the 3 main differences between parachutes and paragliders from the list below, and write down the numbers in the comment section, which ones do you think are the most relevant 3? 1. Materials 2. Deployment method 3. Shape and Design 4. Altitude during flight 5. Size 6. Purpose 7. Steering mechanism 8. Speed of descent

when u have the tools to model it, the fascinating field always reverberates in your hands Hypersonics When the flow velocity reaches more than the velocity with which sound travels., Supersonic aerodynamics tears down to the hypersonic speeds and the realm of hypersonic aerodynamics comes into play. Bow shock, a phenomenon that is usually associated with vehicles in hypersonic speed like a missile cruising at 6 Mach(6 times the speed of sound) as below.,

The Maneuverability of F-22 The airplane's aerodynamics, relaxed stability, and powerful thrust-vectoring engines give it excellent maneuverability and energy potential across its flight envelope, capable of 9 g at takeoff gross weight. Its large control surfaces, vortex-generating chines and LERX, and vectoring nozzles provide excellent high alpha (angle of attack) characteristics, and is capable of flying at trimmed alpha of over 60° while maintaining roll control and performing maneuvers such as the Herbst maneuver (J-turn) and Pugachev's Cobra.

This is the pitch attitude response of the LTV A-7A to a 1° deflection of the elevator with a 13.3° incidence. You may recognize the resulting plot of the pitch attitude as the typical motion of a one-degree-of-freedom free vibration with damping. Inthis case, 2 modes (or frequencies) are present: the short period oscillation with a frequency of 1.63 rad/s, visible at the beginning of the plot; and the phugoid with a frequency of 0.14 rad/s. The phugoid mode has a very long cycle, becoming increasingly evident as time goes on. There is a longer video on my Youtube channel specifying the values for the aerodynamic and control stability derivatives, as well as showing other types of responses such as changes in the flight angle. https://lnkd.in/g2QCndr6 #Flight #Dynamics #Stability #Aircraft #Longitudinal

The keel effect, also known as the pendulum effect, is a stabilizing force in aviation that helps to keep an aircraft balanced and oriented correctly during flight. It primarily occurs in high-wing aircraft, where the bulk of the aircraft's weight (the fuselage) is situated below the wings. This configuration acts like a pendulum, with the weight hanging below the pivot point (the wings), creating a natural tendency for the aircraft to return to level flight if it is disturbed by turbulence or other forces. In more detail, the keel effect arises because the side surface area of the fuselage and vertical stabilizer above the center of gravity provides a restoring moment when the aircraft is disturbed in yaw or roll. When the aircraft rolls to one side, the keel effect generates a counteracting force that helps to right the aircraft. This effect enhances directional stability, making the aircraft easier to control and less susceptible to unwanted rolling or yawing movements. Overall, the keel effect contributes to the inherent stability of an aircraft, particularly in designs where the center of gravity is below the wings, such as high-wing aircraft. It is one of the several aerodynamic principles that ensure smooth and stable flight.

Wings are equipped with different extensions, such as slats and flaps, to enhance their performance during critical flight phases. Slats improve airflow at high angles of attack and low airspeeds, delaying the stall, while flaps increase lift at low speeds by increasing wing area. These extensions are retracted when not needed to reduce aerodynamic drag. https://aviationplanet.in/

In the second installment of our High Speed Flight series, Andrew Duggleby takes a closer look at the incredible engineering behind jet engines and their role in high-speed flight, diving deeper into the technical aspects while still focusing on the fundamentals. If you're fascinated by the science of flight, this episode offers a compelling look into the dynamics of high-speed jet propulsion. #HomeforDinner #HighSpeedFlight