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“ Houston: We Are Go For Exploration !”

“ Houston: We Are Go For Exploration !”. NASA Johnson Space Center. Why do we need a space suit?. micrometeoroid and orbital debris protection. Temperature extremes. Oxygen. Pressure. protection from dust and rocks. Scientific Method. THINK!! Try Again!. Past Space Suits.

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“ Houston: We Are Go For Exploration !”

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  1. “Houston: We Are Go For Exploration!” NASA Johnson Space Center

  2. Why do we need a space suit? micrometeoroidand orbital debrisprotection • Temperature extremes • Oxygen • Pressure protection fromdust and rocks

  3. Scientific Method THINK!! Try Again!

  4. Past Space Suits Mercury Program Apollo Program Gemini Program

  5. Mercury Space Suits • Purpose: Protect astronaut from space vacuum • Derived from Navy Mark-IV high altitude aircraft pressure suit • Designed for unpressurized comfort • Vehicle provided life support via umbilical Operating Pressure: 3.7 psi (25.5 kPa) Mercury Crew Capsule

  6. Gemini Space Suit • Purpose: First US space suit used both inside and outside the vehicle • Derived from USAF AP/22 high altitude aircraft pressure suit • Designed for unpressurized comfort • Incorporated cooling system • Vehicle provided life support via umbilical Operating Pressure: 3.7 psia (25.5 kPa) Gemini Crew Capsule

  7. Apollo Space Suits • Purpose: Keep astronaut alive during Earth and lunar launch/re-entry, microgravity EVA, and lunar EVA • Improved mobility features at shoulder, waist, knees, lower arms, and wrists • First space suit with a portable life support system (PLSS) Apollo Command Module with Lunar Lander Operating Pressure: 3.7 psia (25.5 kPa)

  8. Present Space Suits Advanced Crew Escape Suit (ACES) Extravehicular Mobility Unit (EMU)

  9. Advanced Crew Escape Suit • Purpose: Keep astronaut alive in event of an emergency during launch and re-entry • Derived from USAF pressure suits • Protects from loss of cabin pressure • Integrated life preserver and raft, parachute and harness, emergency oxygen, and survival gear Operating Pressure: 3.46 psi (23.9 kPa) Space Shuttle

  10. Extravehicular Mobility Unit (EMU) • Purpose: Low Earth Orbit spacewalks • Designed for movement in microgravity • Modular design to fit various sizes of astronauts • Protects from micrometeoroids • Portable life support system Operating Pressure: 4.3 psi (29.6 kPa) International Space Station

  11. Internal Components of the EMU Communications Carrier Assembly (CCA) Suit Engineer (2006) Neil Armstrong (1969) It’s like your air conditioner, but uses water instead! Liquid Cooling and Ventilation Garment (LCVG) Independent microphones and earphones

  12. Modular Components of the EMU Helmet and Extravehicular Visor Assembly (EVVA) Hard Upper Torso (HUT) and Arm Assembly Gloves Boot and Foot Restraint Lower Torso Assembly (LTA)

  13. EMU Controls and Life Support Display and Controls Module: temperature, pressure, ventilation and communication controls Portable Life Support System

  14. Apollo 16: Charles Moss Duke, Jr. (Duke)

  15. What about a suit for future exploration?

  16. Mark III Suit

  17. Rear Entry I-Suit (REI-Suit)

  18. Suit Development Using the Scientific Method Concept Development System Testing Integrated Testing Component Testing Develop innovative concepts to meet challenging requirements Test parts and refine designs per test results Cool POGO Movie Test system and refine per test results Integrate hardware to test how it works together

  19. Connect with us on facebook!NASA Crew and Thermal Systems Division

  20. Questions?

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