...

The design considerations associated the Hermes recovery system are summarized in the following pages:

• Webbing Lengths
  • Hermes Webbing Lengths
  • Pathfinder Webbing Lengths
  • Webbing Material
• FireBolts
• Shear Pins
• Hermes Parachutes
  • Disk Gap Band Drogue
    • Disk-Gap-Band Design
    • Disk-Gap-Band Construction
  • Semi-Ellipsoidal Main Parachute
  • Hermes Deployment Sequence
  • Drogue Parachute Analysis
• HADES ("Piston-Cup-Diaphragm" System)
  
  • Pyrotechnically Operated Piston (POP)
  • HADES Piston Selection and Development (SRAD Redesign)
  • HADES Cup
  • HADES Diaphragm
• Packing Procedures and Volumes
  • Hermes Parachute Packing Procedures

Procedures

• Main parachute packing procedure
• Integration procedure

Testing

Component Level Testing

• Tender Descenders
• Piston
  • Piston DAQ
• Instron Testing

Ground Testing

A general description of ground tests can be found here.

• Ground Test November 10, 2017 Hermes Ground Test
• December 2, 2017 Hermes Ground Test

Analysis

Failure Tree