In gliders, other methods are used to either reduce the lift generated by the wing, increase the drag of the entire glider, or both. The balance of the lift needed to support the glider comes from the flow of air above the wing. Since lift and weight oppose one another, this creates a classic engineering trade-off. Lift is an aerodynamic force and therefore depends on the pressure variation of the air around the body as it moves through the air. |> Question...Flaps increase lift but do they increase gliding distance? The total aerodynamic force is equal to the pressure times the surface area around the body. I would say you could add some te extension, but without knowing auw and where your balancing it i cant say for sure. Yes, they help to increase maximum lift, too, but for gliding this is less relevant. If the glider flies fast enough the wings will produce enough lift to keep it in the air. We need you to answer this question! same density), with the same wing area, and at the most efficient coefficient of lift, we must increase the airspeed. This is because drag created during the production of lift (known as induced drag) can account for a significant portion of the total drag on a glider. The amount of lift generated by an object depends on the size of the object. This allows an airplane to make a slower landing approach and a shorter landing. When weight increases, lift must increase proportionately. The added drag more than offsets any added lift --the result is a marked steepening of the glide path. Flaps change a wing’s curvature, increasing lift. Lift is the component of this force perpendicular to the flight direction. The amount of lift generated by an object depends on the size of the object. The total aerodynamic force is equal to the pressure times the surface area around the body. You can use a ratio called the Lift Efficiency Ratio to analyze the performance of your wing design. Generally I would say my design purpose is to maximize lift-to-drag ratio instead of only saying that my design purpose is to maximize lift or minimize drag. Yes, they help to increase maximum lift, too, but for gliding this is less relevant. The goal in glider flying is to get in the shortest time from A to B. Making a chair taller may help it fit better with other furnishings. To produce more lift, the object must speed up and/or increase the angle of attack of the wing (by pushing the aircraft’s tail downwards). Airplanes use flaps to maintain lift at lower speeds, particularly during takeoff and landing. The goal in glider flying is to get in the shortest time from A to B. But, the wings and the body of the glider also produce drag, and they produce more drag the faster the glider flies. If all the required lift were obtained from the deflection of air by the lower surface of the wing, a glider would need only a flat wing like a kite. The best speed for range corresponds to an angle of attack which gives the best lift-to-drag ratio.