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Preparing EMU for Space Station.

R C Wilde1

  • 1Hamilton Standard Division of United Technologies Corporation, Windsor Locks, CT 06006-1010, USA.

Acta Astronautica
|July 1, 1995
PubMed
Summary

The U.S. extravehicular mobility unit (EMU), designed for the Space Shuttle, is being adapted for the International Space Station (ISS). This process involves meeting new ISS requirements and extending the EMU's service life for longer missions.

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Area of Science:

  • Aerospace Engineering
  • Space Systems Engineering

Background:

  • Space programs face fiscal constraints, necessitating system reuse across missions.
  • The U.S. extravehicular mobility unit (EMU) was initially designed for the Space Shuttle program.
  • The EMU is now being integrated into the International Space Station (ISS) program.

Purpose of the Study:

  • To detail the certification process for adapting the Space Shuttle's EMU for ISS operations.
  • To outline the challenges and solutions in extending the EMU's on-orbit service interval.
  • To ensure the EMU meets the unique environmental requirements of the ISS.

Main Methods:

  • Identifying and addressing new ISS-specific requirements for the EMU.
  • Analyzing and extending the EMU's on-orbit service interval to accommodate longer ISS missions.
  • Evaluating and certifying the EMU to withstand the unique environmental conditions of the ISS.

Main Results:

  • The certification process is underway to adapt the Shuttle EMU for ISS use.
  • Key issues concerning new requirements, extended service intervals, and environmental compatibility are being addressed.
  • Progress has been made in resolving the challenges for dual-program support.

Conclusions:

  • The adapted Shuttle EMU is expected to meet all requirements for supporting both the Space Shuttle and ISS programs.
  • Successful certification will enable the reuse of a critical space system, demonstrating adaptability in space exploration.
  • This adaptation highlights the feasibility of cross-program system utilization in space missions.

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