Our heavyweight helicopter equal in the world does not have
In Rostov started production of the most load-lifting rotary-wing car The Russian holding «Helicopt[...]
CHAPTER III – THE LIFT OF STRAIGHT WINGS
Aerodynamic lift is primarily utilized to “lift” airplanes; into the air and to keep them aloft. The device which nature has evolved for this purpose (as in birds) and which man has successfully developed to sizes not available in nature, is “the” wing. Lifting characteristics of various shapes of essentially straight wings are treated in this chapter.
|
Figure 1. Vortex pattern behind lifting line (2) and/or wings (3). |
