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A comment on Gravitricity. Parent comment

Re:Gravitricity by jstanek on Saturday November 22, 2014 @08:36PM (#8647465)
The depth requirement is 500m to 1500m. Though cliffs can be much taller than this, they usually are not totally vertical and cannot accomodate this much depth.

Disclaimer, not a geologist.

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Re:Gravitricity by fractalsea on Sunday November 23, 2014 @09:21AM (#8648850)
True, although I wonder if doing it over even a 100m cliff, but with a much larger weight, would be cheaper than the drilling operation.
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