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trailing vortex drag

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As the aircraft rises out of ground effect with a deficiency of speed, the greater induced drag may result in marginal initial climb performance.

Behind The Curve: Modestly powered airplanes need to be handled with care in high and hot conditions

Jones investigated V-shaped tailless UAVs with a sweepback angle of 45[degrees] on the leading edge and found that ground effects rise pitching moment and slope of lift curve and reduces induced drag, while the total drag on the UAV increases [16].

Characteristics of Ground Effects of an Unmanned Aerial Vehicle with Medium-aspect-ratio Flying Wings during Take-Off

Compared to the traditional layout, the induced drag for tandem airfoil configuration is smaller and the wingspan can be reduced with the same stiffness, for the reason that the two wings in tandem airfoil configuration are all generating positive lift.

Prediction of Lift Coefficient for Tandem Wing Configuration or Multiple-Lifting-Surface System Using Prandtl's Lifting-Line Theory

The cause of wake turbulence is well known--the lift produced by the aircraft wing and the induced drag. When questioned as to the origin of induced drag, many pilots cite the textbook answer, "It is the product of lift." Yeah, true, but not very enlightening.

Wake turbulence: we take you into a thorough discussion of how to recognize, avoid and, if necessary, survive a wake event so your loved ones don't have to attend one

closing them to span wise airflow and helping to reduce induced drag. The wing end fences also provide a degree of yaw stability and serve as a retaining structure for the elevons.

Aerial vision: a team of engineers from the AMRCs new design & prototyping group (DPG) have designed, manufactured and flight tested a prototype unmanned aerial vehicle (UAV) airframe constructed entirely of ABS plastic, using fused deposition modelling (FDM) technology

Not only is the wing producing several hundred to a few thousand pounds of lift at that point, but the proprotors' induced power (the power required to overcome induced drag) has the total power required on a slide down the "back side" of the power-required curve (Fig 1).

A rotorcraft tale: toll of a tailwind

The component that is resultant force parallel to the velocity vector of the wing is defined as induced drag. There are other forms of drag, which are collectively known as parasite or profile drag; this drag is created by the friction of the object moving through the air.

Experimental investigation of a wing-in-ground effect craft

These vortices produce what is called induced drag and are powerful enough to disrupt aircraft flying too closely to one anotherNone reason for the carefully monitored spacing between flights at takeoff and in the air.

Wingtips Winglets make aircraft look better and fly farther

Also being looked into is the installation of wing-tip winglets to reduce induced drag and thereby enable the aircraft to increase its operational ceiling, which will prove a significant advantage particularly for the AEW&C version mentioned above.

C295 sales hit the 108 unit mark, and introduces a wealth of improvements: as it announced that Oman had placed an order for eight C295 in Madrid on 21 May, Airbus Military also provided a useful update on the further developments that are either planned or already in the pipeline for this aircraft