July 22nd, 2012

Last year GE bought the company responsible for a brand-new way of building tall wind turbine towers.

Clever isn’ t it? Instead of a monster tower crane taller than the turbine, needing dozens of truckloads to transport on site, a smaller crane crawls up the tower as it’s being built! Patents no doubt pending.

This is how they built cathedrals in the Middle Ages:

Reconstruction of the temple of Jerusalem, France, XVc

A number of old churches in England still have cranes or bits of them stranded in the roof space, that weren’t worth bringing down.

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