Extremely low cost

transportation to GEO

The main "way" explored here utilizes a form of escalator transportation structural weight support unique to planetary access transportation systems, that of constrained centrifugal force within structures encircling the planet. The constrained outward high velocity centrifugal force balances the inward force of gravity on non-moving parts of the structure, simple as that. And some of that kinetic energy is tapped off to gently lift the payload-carrying spacecraft up and down the structure between the ground and GEO. The basic conceptual complexity is about the same as that of your CD/DVD drive in your computer or boom-box. The energy added to payload by moving it from the ground up into GEO is only 7.15 KWh per pound lifted, so at 10 cents per KWh that is 72 cents per pound, or $119 for a 165 pound person. The neat thing about it is that it is an electrtically powered transportation system, and once it is used to build Solar Power Stations in GEO, those SPS can thereafter power the space access transportation system independently of earth energy resource availability. The concept neatly interlocks together.

Besides abundant electrical power worldwide, civilization needs to responsibly recycle the huge industrial wastes produced. This could be done by processing plants in GEO. Early type Mass Spectrometer technology could be built up there, and use solar power to recycle toxic materials back into useful form, removing the material's entropy thereby.

whats' new


Solid band KESTS

This alternate technique is an easy read in the form of science fiction in the sci fi section! A continuous armature band type KESTS, instead of armature segments, would have some interesting properties. It would utilize tensile stress in the band instead of the kinetic energy losses with potential energy changes.

Envision it now as part of an adventure story written November 2007, "It's Down to Earth"