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He thus suggests that birds do not utilise vertical stabilisers, since they do not need to counteract adverse yaw caused by lift-induced drag. [1] Washout is also found in gliders [2] and hang gliders. [3] In helicopters, blade twist is used to reduce lift towards the blade tip, thus reducing unequal rotor lift distribution. [4]: 2–9
A yaw rotation is a movement around the yaw axis of a rigid body that changes the direction it is pointing, to the left or right of its direction of motion. The yaw rate or yaw velocity of a car, aircraft, projectile or other rigid body is the angular velocity of this rotation, or rate of change of the heading angle when the aircraft is ...
Unlike conventional helicopters, quadcopters do not usually have cyclic pitch control, in which the angle of the blades varies dynamically as they turn around the rotor hub. In the early days of flight, quadcopters (then referred to either as quadrotors or simply as helicopters ) were seen as a possible solution to some of the persistent ...
The UK Utterly Butterly display team perform an aerobatic maneuver with their Boeing Stearmans, at an air display in England. Aerobatic maneuvers are flight paths putting aircraft in unusual attitudes, in air shows, dogfights or competition aerobatics. Aerobatics can be performed by a single aircraft or in formation with several others. Nearly ...
The X-36 was built to 28% scale of a possible fighter aircraft and was controlled by a pilot in a ground-based virtual cockpit with a view provided by a video camera mounted in the canopy of the aircraft. For control, a canard forward of the wing was used as well as split ailerons and an advanced thrust vectoring nozzle for directional control.
Editor's Note: This page is a summary of news on drone sightings for Tuesday, Dec. 17. For the latest news, view our story for Wednesday, Dec. 18. The FBI has received tips involving over 5,000 ...
As the year of 2024 wraps up, here's a list of travel trends in America that consumed folks on social media, including "gate lice," "seat squatters" and "sleep divorce."
Six degrees of freedom also refers to movement in video game-play. First-person shooter (FPS) games generally provide five degrees of freedom: forwards/backwards, slide left/right, up/down (jump/crouch/lie), yaw (turn left/right), and pitch (look up/down). If the game allows leaning control, then some consider it a sixth DOF; however, this may ...