v CONTENTS  

Symposium Schedule  .................................................................................................................................  viii 

Symposium Organi zing and Advisory Committees  ..................................................................................... xiii 

ATLAS Beam Steering Mechanism  (BSM)  Lessons Learned  ...................................................................... 1  Ken Blumenstock , Alexander Cramer, Alan Gostin, Claef Hakun, Paul Haney, Matthew Hinkle,  Kenneth Lee, Carlos Lugo, Adam  Matuszeski , Armando Morell , Nerses  Armani,   Joseph Bonafede, Molly Jackson, Peter  Steigner  & Juan Stromsdörfer  

Injection of a B ody into a G eodesic: Lessons Learnt from the LISA Pathfinder C ase ............................... 15  Daniele Bortoluzzi, Andrea Zambotti, Stefano Vitale , Carlo Zanoni , Luca Gambini,   Hans Rozemeijer , John Conklin, Bengt Johlander, Ingo Koeker, Cesar Garcia Marirrodriga,   Philip p Nellen  & Blondo Seutchat Tcheungang  

Mechanisms Design for the S5P- TROPOMI I nstrument  ……… …………………………………………..  ..... 29  Erik Tabak, Jan de Vreugd, Dorus de Lange & Frits van der Knaap  

Tests on the D uctility of Stainless Steel and Titanium Alloy Aerospace Fasteners   ................................... 43  Jarrod Whittaker & Daniel Hess    Development and Testing of a “B acklash- Free“ Gas-Tight High-Precision Sample Dosing   Mechanism for the ExoMars 2018 Rover  ................................................................................................... 51  Daniel Redlich, Robert Paul, Sebastian Ott,  Lutz Richter , Quirin Mühlbauer, Markus T hiel,   Tim Tattusch, Harald Weisz, Fabio Musso & Stephen Durrant    Realization and Testing of the In Field Pointing Mechanism for the Evolved Laser   Interferometer Space Antenna  .................................................................................................................... 67  Gert Witvoet & Jet Human   Suomi -NPP Mission On- orbit Experience with Toroid Ball Bearing Retainers under   Unidirectional and Reversing Motion  .......................................................................................................... 77  Otto Bruegman,  Kamal Thakore, Stu Loewenthal & John Cymerman   Failure Analysis and Recovery of a 50- mm Highly Elastic Intermetallic NiTi Ball Bearing   for an ISS Application  .................................................................................................................................. 91  Christopher DellaCorte, S. Adam Howard & Lewis  Moore III    Ball Bearing Analysis with the ORBIS Tool  ............................................................................................... 107  Jacob Halpin 

Extended Life Testing of Duplex Ball Bearings  ......................................................................................... 121  Jeffrey Mobley, Michael Robertson & Charles Hodges  

Piezoelectric Actuators and Future Motors for Cryogenic Applications in Space  ..................................... 135  Christian Belly, Francois Barillot & Fabien Dubois  

Development of a Self -latching Hol d-down RElease Kinematic (SHREK)  ............................................... 143  Ruggero Cassanelli  

Challenges of Designing  a 13- Hz High -Load Vibration Isolation System with Tight Vol ume   Constraints: Lessons Learnt  and Path Forward  ....................................................................................... 149  Stella Dearing & Dale Ruebsamen