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Lunar transportation scenarios utilising the Space Elevator.

Kilian A Engel¹

¹Technical University of Munich, Germany. k.a.engel@gmx.net

Acta Astronautica

|July 14, 2005

Summary

The Space Elevator (SE) offers an efficient Earth-to-Moon transportation system, reducing propellant needs and mission complexity. This analysis compares SE scenarios against conventional methods for lunar missions.

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Area of Science:

Space exploration
Advanced transportation systems
Lunar logistics

Background:

The Space Elevator (SE) concept is gaining traction as a viable alternative to traditional space launch systems.
Efficient Earth-to-Moon transportation is crucial for sustained lunar presence and mission success.
Current transportation methods face limitations in logistics and efficiency for lunar missions.

Purpose of the Study:

To investigate the potential role of the Space Elevator in an efficient Earth-to-Moon transportation system.
To analyze and characterize different elevator-based trans-lunar transportation scenarios.
To compare the performance of SE-based lunar transfers with conventional mission concepts.

Main Methods:

Analysis of various elevator-based trans-lunar trajectories, including direct, via L1/L2, and rendezvous scenarios.
Characterization of scenarios using benchmark figures: release radius, delta v, transfer times, and accessibility.
Comparison of SE performance metrics against conventional Apollo mission profiles.

Main Results:

Space Elevator transportation eliminates gravity and aerodynamic losses, significantly reducing propellant and structural mass.
Different SE scenarios offer varying trade-offs in terms of transfer time, energy requirements, and mission complexity.
SE-based trajectories show potential for increased efficiency and reduced cost compared to conventional launches.

Conclusions:

The Space Elevator presents a promising solution for efficient and potentially cost-effective Earth-to-Moon transportation.
Further analysis and development of SE concepts are warranted to realize its full potential for lunar missions.
SE technology could revolutionize lunar logistics and enable more ambitious space exploration endeavors.

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