Page 7 - Flight InSight 2014
P. 7

Birds, bats, and insects regularly outperform man-made aircraft in aerobatics   engineering capabilities. In particular, Micro Air Vehicles (MAVs) have the
                                        and handling of unpredictable environments. The SR71 Blackbird jet flying   potential to revolutionize our sensing and information gathering capabilities,
                                        beyond Mach 3 covers about 30 body lengths per second. But a common   such as environmental monitoring of areas inaccessible to ground vehicles
                                        pigeon flying at 50 miles per hour covers 75. The roll rate of an aerobatic plane   and  homeland  security.  In order to  create  the  broad  flight characteristics
                                        is about 720 degrees per second, while the roll rate of a barn swallow exceeds   that support take-off, forward flight of varying speed, hover, perch, threat
                                        5,000 degrees per second. Select military aircraft can withstand gravitational   avoidance, station tracking, and payload variations in MAVs, we need to better
                                        forces of 8-10 G, yet many birds routinely experience positive G-forces greater   understand the interplay between kinematics, geometry, and aerodynamics
                                        than 10 and up to 14 G. Natural flyers obviously have some highly developed   of natural flyers. The common characteristics shared by MAVs and natural
                                        capabilities that have yet to be incorporated in engineering. They are not only   flyers have spurred the active communication and collaboration between the
                                        lighter, but also have much more adaptive structures as well as know-how to   aerospace and biological science communities.
                                        integrate aerodynamics with changes in wing and body shapes. Birds and
                                        insects can fly in environments with gusts traveling at speeds comparable   I have put together this collection of photographs, many of which were taken
                                        to their own, yet they can react and adjust instantaneously with their flexible   around my home and with family and friends. I hope these pictures help us
                                        wings to remain airborne through wind, rain, and snow.           appreciate the beauty of the nature, as well as inspire the development of
                                                                                                         new flight vehicles.
                                        Besides  admiring  the  elegance  of  their  form  and  dazzling  splendor  of
                                        their plumage, we can gain insight from the natural flyers to advance our   So please explore, examine, and enjoy.















                                                                                                                                                                                                       5 5
   2   3   4   5   6   7   8   9   10   11   12