Here is the link to Solar powered Helicopters of around 7000 AD on the first time line.
Solar powered human manned Helicopters 70th Centur...
Sometimes when I'm writing I have to delve really deep through time to get what is really accurate about those times. This is one of those times when I was able to do this in a way that is technologically Accurate in describing these helicopters of the 1st timeline's future in Switzerland and Northern Italy which borders Switzerland not far from the Matterhorn.
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