Recent Advances in Gossamer Spacecraft

Gregory P. Garbe [*]
NASA Marshall Space Flight Center, Huntsville, Alabama
Bong Wie [ ]
Arizona State University, Tempe, Arizona
Dave Murphy [ ]
ATK ABLE Engineering, ATK Space Systems, Goleta, California
Anthony Ewing [ ]
Ewing Research, Nashville, Tennessee
Leo Lichodziejewski [**] and Billy Derbes [ ]
L Garde Inc., Tustin, California
Bruce Campbell [ ]
NASA Goddard Space Flight Center, Greenbelt, Maryland
John Wang [ ] and Barmac Taleghani [ ]
NASA Langley Research Center, Hampton, Virginia
and
Stephen L. Canfield [] , James W. Beard III [ ]
and John Peddieson []
Tennessee Technological University, Cookeville, Tennessee
Copyright 2005 by the American Institute of Aeronautics and Astronautics, Inc. No copyright is asserted in the United States under Title 17, U.S. Code. The U.S. Government has a royalty-free license to exercise all rights under the copyright claimed herein for Governmental purposes. All other rights are reserved by the copyright owner.
[*]Lead Systems Engineer, In-Space Propulsion Technologies Project Office.
[ ]Professor, Mechanical and Aerospace Engineering.
[ ]Chief Research Engineer.
[ ]Engineering Consultant.
[**]Program Manager.
[ ]Program Engineer.
[ ]Chief Systems Engineer.
[ ]Aerospace Engineer.
[ ]Senior Mechanical Engineer.
[]Professor, Mechanical Engineering.
[ ]Research Associate.
A = total sail surface area, m 2
a SC = acceleration of spacecraft, m/s 2
c = speed of light, m/s 2
E = model Young s modulus (force/area), N/m 2
F = model sail stress function (force)
F ? = prototype sail stress function (force) (prime indicates prototype)
F