Meeting Abstract S1-4.1  Jan. 5  Under Vogel’s wing, my work takes off: Bugs, birds, books and Boeing ALEXANDER, D.E.; University of Kansas dalexander@ku.edu One of my first courses as a graduate student at Duke University was Steven Vogel�s biological fluid mechanics course, and about then he became my advisor. My background in oceanography, and enjoyment of building […]

Meeting Abstract S1-4.8  Jan. 5  Slow pigeon flight shows a compromise between aerodynamic and inertial power minimisation USHERWOOD, J.R.; The Royal Veterinary College jusherwood@rvc.ac.uk When most birds fly slowly or hover, they do not use a horizontal stroke plane: the analogy of a hovering helicopter is limited. Pigeons, like many birds but unlike hawkmoths and hummingbirds, are […]

Meeting Abstract S1-4.6  Jan. 5  Sensory Encoding in the Gyroscopic Halteres of the Crane Fly Holorusia FOX, J.L.*; MYHRVOLD, C.A.; DANIEL, T.L.; University of Washington; University of Washington; University of Washington jessfox@u.washington.edu Insect flight requires coordination of many sensory and motor circuits over several time scales. Since muscle activity must often be modulated at a rate faster […]

Meeting Abstract S1-4.5  Jan. 5  Role of antennae in insect flight control SANE, SP*; DIEUDONNE, A; DANIEL, TL; University of Washington, Seattle; University of Washington, Seattle; University of Washington, Seattle sane@u.washington.edu The antennae of flying insects perform multiple sensory functions. In addition to being the primary olfactory organs, antennae serve an important mechanosensory role during flight. For […]

Meeting Abstract S1-4.10  Jan. 5  Locomotor biomechanics of a free-ranging gliding mammal (Cynocephalus variegatus) BYRNES, G. T.*; SPENCE, A. J.; Univ. of California, Berkeley; Univ. of California, Berkeley byrnes@berkeley.edu One of the biggest challenges in comparative biomechanics is to describe the locomotor performance of animals in their natural environment. This is important because measures of performance in […]

Meeting Abstract S1-4.7  Jan. 5  Is the Anna�s Hummingbirds� dive-noise vocal or non-vocal? CLARK, C.J.; Univ. of Calif., Berkeley cclark@berkeley.edu Male Anna�s Hummingbirds (Calypte anna) perform display dives in which they fly 30-50m up in the air, then dive head-first towards a perched female. At the bottom of the dive, they emit a loud noise called the […]

Meeting Abstract S1-4.2  Jan. 5  From Vogelian Imagination to Gaseous Machinations: Animal Flight Performance in Variable-Density Air DUDLEY, Robert; Univ. of California, Berkeley wings@berkeley.edu Animal flight performance is typically studied at or near sea level within the contemporary atmosphere. Experimental alteration of the physical composition of gas mixtures, however, permits construction of novel flight media and the […]

Meeting Abstract S1-4.3  Jan. 5  Creating a flap: Different ways to wing it HEDRICK, TL*; DANIEL, TL; Univ. of North Carolina, Chapel Hill thedrick@email.unc.edu Hovering insects appear to precisely maintain their position and orientation while flapping with nearly unchanging wing motions. However, simulations of hovering flight in the hawkmoth Manduca sexta suggest maintaining position and orientation over […]

Meeting Abstract S1-4.9  Jan. 5  Barbs of a Feather Bend (and Twist) Together JOHNSON, A.S.*; ELLERS, O.; BUTLER, M.; Bowdoin College, Maine ajohnson@bowdoin.edu We propose the following design principle for feather barbs. By being thicker-walled dorso-ventrally, their flexural stiffness is increased during flight; but by allowing for twisting when loaded with dangerously high forces they firstly avoid […]

Meeting Abstract S1-4.4  Jan. 5  A new insect flight model is just around the bend MOUNTCASTLE, A.M.*; DANIEL, T.L.; Univ. of Washington, Seattle; Univ. of Washington, Seattle mtcastle@u.washington.edu Models of insect flight commonly assume wings behave as rigid airfoils. Many insect wings are flexible, however, with dynamic bending occurring as a consequence of flapping flight. In moths, […]