Leonard David is an award-winning space journalist who has been reporting on space activities for more than 50 years. Currently writing as Space.
A cylindrical 220 pound launch package is shown after emerging from the end of a lunar electromagnetic launcher.In 1974, the late Princeton University professor and space visionary Gerard O'Neill proposed using electromagnetic rail guns to lob payloads from the moon.
The author of that appraisal is Robert Peterkin, director of operations for the organization's Albuquerque, New Mexico office. A lunar launcher as viewed by space artist Pat Rawlings, published by the Lunar & Planetary Institute in 1985. Electromagnetic launches of material from the lunar surface, the report continues, can be significantly more efficient than conventional rocket launches that rely on chemical fuels that are imported from the Earth to the moon.
For that task, a modern electromagnetic launcher is a superior choice, Peterkin said, because it can use abundant solar energy as a prime energy source instead of importing chemical rocket fuel from Earth. The lickety-split speed required to hurl pound-class payloads from lunar terrain into a low circular orbit around the moon is 3,758 miles per hour .
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