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Flexible Wing Flight
Can anyone tell me how far back military experiments with Flapping
Flight go? I am interested in why Soaring flight is so rare in nature but so popular with us? I've heard that the Wright Brothers patented Wing Warping (Flapping) and never let anyone develop planes using Wing Warping flight. Is that true? Does that explain why the designs up until the time of the Wright Brothers were all Bird-like flapping designs and after were all fixed wing soaring designs? Did the military pursue Wing Warping on their own? What are the most current developments in flexible wing flight and where are they being developed. Thanks for your help. Patrick Timony |
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"patrick timony" wrote in message om... Can anyone tell me how far back military experiments with Flapping Flight go? All the way back to the Wright flyer. The original F-18 had a small wing for the Navy's additional loading and was a twisty wing. I have heard that the "small wing" will be tried as a beginning to the flex wing program at Dryden. I am interested in why Soaring flight is so rare in nature but so popular with us? I've heard that the Wright Brothers patented Wing Warping (Flapping) and never let anyone develop planes using Wing Warping flight. Is that true? The Wright brother's design was inferior to aileron designs, so the technology was dead ended. With the F-18 "small wing" twisting resulted in aileron reversal and was deemed undesirable. with modern FBW capabilities it is hoped that the Wright's idea might be once again practical. Does that explain why the designs up until the time of the Wright Brothers were all Bird-like flapping designs and after were all fixed wing soaring designs? Did the military pursue Wing Warping on their own? Wing warping is a very undesirable condition for current technology aircraft. What are the most current developments in flexible wing flight and where are they being developed. Thanks for your help. http://www.boeing.com/news/frontiers.../may/i_pw.html |
#3
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In message , patrick
timony writes Can anyone tell me how far back military experiments with Flapping Flight go? I am interested in why Soaring flight is so rare in nature but so popular with us? Have you never watched eagles, buzzards etc soar? I've heard that the Wright Brothers patented Wing Warping (Flapping) and never let anyone develop planes using Wing Warping flight. Wing warping was for directional control not for lift. Mike -- M.J.Powell |
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I am not aware of any military experiments with wing flapping. A wing
structure strong enough to withstand the rapid motions would be to heavy to fly. Airplanes can fly with fixed wings because they carry an engine to provide forward thrust. The wing warping that the Wright's patented was not "Flapping" (flapping like a bird) but rather stream-wise twisting (what we know today as an aileron ) as a means to bank an airplane into a turn. "patrick timony" wrote in message om... Can anyone tell me how far back military experiments with Flapping Flight go? I am interested in why Soaring flight is so rare in nature but so popular with us? I've heard that the Wright Brothers patented Wing Warping (Flapping) and never let anyone develop planes using Wing Warping flight. Is that true? Does that explain why the designs up until the time of the Wright Brothers were all Bird-like flapping designs and after were all fixed wing soaring designs? Did the military pursue Wing Warping on their own? What are the most current developments in flexible wing flight and where are they being developed. Thanks for your help. Patrick Timony |
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(patrick timony) wrote:
Can anyone tell me how far back military experiments with Flapping Flight go? I am interested in why Soaring flight is so rare in nature but so popular with us? Actually, the reverse is true. Whereas birds perfected the art of soaring umpteen million years ago, us lowly land dwellers have only recently learned to soar and we still have a long, LONG ways to go before we attain the level of perfection of our avian friends. I've heard that the Wright Brothers patented Wing Warping (Flapping) and never let anyone develop planes using Wing Warping flight. Is that true? Orville and Wilber did not patent flapping, however, I think they did patent wingwarping as a means of flight control. Does that explain why the designs up until the time of the Wright Brothers were all Bird-like flapping designs and after were all fixed wing soaring designs? No (see above). Did the military pursue Wing Warping on their own? What are the most current developments in flexible wing flight and where are they being developed. Thanks for your help. The most current developments of flexwing flight can be seen on a common flexwing trike or hangglider. The pilot simply moves a control bar left or right which simultaneously shifts the center of gravity (CG) and increases or decreases wing washout so as to effect a turn in the desired direction. With regards to wing warping, I've seen photos somewhere on the web depicting a NASA F-18 experimenting with wing warping. -Mike Marron |
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