Space Elevator 11
Space Elevator 11 : Physics of Space Elevators: (3) Cable Material: This section may contain original research. Please improve it by verifying the claims made and adding inline citations. Statements consisting only of original research may be removed. (October 2012) The free breaking length can be used to compare materials: it is the length of an un-tapered cylindrical cable at which it will break under its own weight under constant gravity. For a given material, that length is ?/?/g0. The free breaking length needed is given by the equation, where If one does not take into account the x factor (which reduces the strength needed by about 30%), this equation also says that the section ratio equals e (exponential one) when: If the material can support a free breaking length of only one tenth this, the section needed at a geosynchronous orbit will be e10 (a factor of 22026) times the ground section
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