v   CONTENTS  

Symposium Schedule  ............................................................................................................................... ix 

Symposium Organizing and Advisory Committees  ................................................................................. xiv   Mars Science Laboratory Drill  .................................................................................................................... 1  Avi Okon    Lightweight Low Force Rotary Percussive Coring Tool for Planetary Applications  ................................. 17  Ross Hironaka & Scott Stanley    A Novel Approach for a Low -Cost Deployable Antenna  .......................................................................... 31  Chris Amend, Michael Nurnberger, Paul Oppenheimer, Steve Koss & Bill Purdy    A Completely New Type of Actuator - or- This Ain’t Your Grandfather’s Internal Combustion Engine  .... 43  Brian Gore, Gary Hawkins, Peter Hess, Teresa Moore & Eric Fournier    An Evaluation of Liquid, Solid, and Grease Lubricants for Space Mechanisms Using a   Spiral Orbit Tribometer  ............................................................................................................................. 59  Michael Buttery    Qualification of a High Accuracy Dual- Axis Antenna Deployment and Trimming Mechanism  ................ 73  Alain Gossant & Francois Morichon  

Scanning Mechanism of the FY -3 Microwave Humidity Sounder  ............................................................ 87  Manfred Schmid, Li Jing & Christian Hehr    A Coarse Pointing Assembly for Optical Communication ........................................................................ 99  Gerhard Székely,  D. Blum, M. Humphries, A. Koller, D. Mussett, S. Schuler & P. Vogt  

Design and Development of Two- Axis Thruster Gimbal with Xenon Propellant Lines  .......................... 109  Armond Asadurian  

Gravity -Offloading System for Large- Displacement Ground Testing of Spacecraft Mechanis ms ......... 119  Olyvia Han, David Kienholz, Paul Janzen & Scott Kidney  

Gimbals Drive and Control Electronics Design, Development and Testing of the   LRO High Gain Antenna and Solar Array Systems  ............................................................................... 1 33  Boris Chernyakov  & Kamal Thakore 

Fastener Capture Plate Technology to Contain On- Orbit Debris  .......................................................... 1 47  Kevin Eisenhower  

Space Station Control Moment Gyroscope Lessons Learned  ............................................................... 161  Charles Gurrisi , Raymond Seidel , Scott Dickerson, Stephen Didziulis ,   Peter Frantz  & Kevin Ferguson   International Space Station Powered Bolt Nut Anomaly and Failure Analysis Summary  ..................... 177  Daniel Sievers & Harry Warden    The International Space Station Solar Alpha Rotary Joint Anomaly Investigation  ................................ 1 87  Elliot Harik, Justin McFatter, Daniel Sweeney , Carlos Enriquez, Deneen Taylor  & David McCann    Test Validation of the Repair to the Space Station Solar Alpha Rotary Joint  ........................................ 207  Curtis Allmon, Will Wilkinson & Stu Loewenthal    Experimental Investigation of Forces Produced by Misaligned Steel Rollers  ........................................ 219  Timothy Krantz, Christopher DellaCorte & Michael  Dube