Space Elevator Numbers

mostly from "Space Elevators: An Assessment ..."

• 27 MYuri working stress, 35.2 GPa (p32)
  • 38 MYuri, 49.4 GPa @ 1.3 g/cm3
  • 1.4 safety factor
• Taper ratio 6
• 6300 metric tons tether
• 1900 metric tons Apex
• 100,000 km radius