Reply To: Module 2 – The Moon, the Earth and the Sun

#223214
Profile photo ofdanielle.wilcox@bco.ieDanielle Wilcox
Participant

    Aideen,

    this would link really nicely to the history and design of landing craft for the Moon.

    The engineers had to

    A landing gear for the lunar surface had to be designed for varying landing conditions, such as protuberances, depressions, small craters, slopes, and soil-bearing strength. To achieve the necessary stability, the landing gear had to be able to absorb a diversity of impact loads. Houston and Bethpage met this challenge by using crushable honeycomb material in the struts, so the gear would compress on impact. A principal advantage of honeycomb shock absorbers was their simplicity. Since they had to work only once, the more common hydraulic shock absorbers and their complexities could be avoided. Subsequently, crushable honeycomb was also applied to the large saucerlike foot pads to improve stability further for landing

    Source: https://www.hq.nasa.gov/pao/History/SP-4205/ch6-4.html

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