What specific structural radius is required to achieve 1g while maintaining a comfortable 2 RPM rotation?
Answer
220 to 230 meters
Physics dictates that the force experienced in a rotating frame, often called centrifugal force, is determined by the radius of the structure and its angular velocity. To generate 1g of acceleration—the force humans are accustomed to on Earth—without exceeding a rotation rate of 2 RPM, mathematical calculations establish that the rotating structure must have a radius between 220 and 230 meters. This scale represents a significant engineering challenge, as it requires construction on a massive, kilometer-wide scale that exceeds the capability of current heavy-lift launch vehicles.
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