h a l f b a k e r y
Number one on the no-fly list
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An elevated rail is used only for guiding these copters between
cities, and perhaps pulling them forward but the extremely
lightweight wire is not used to hold the vehicles up, so the
infrastructure is extremely low cost, and allows for very high-
Use this instead of high speed
trains or airplanes.
Vernon's similar idea. but not LTA [pashute, May 21 2019]
Tethered Aircraft PRT
Similar but not personal and without switches [pashute, May 21 2019]
High Speed train Chinese style
China has thousands of these miles of TGV lines. Miles of high speed lines in China = 18,000. Miles of high speed lines in USA = 0 miles. Both are totally astounding achievements in their own ways. [xenzag, May 21 2019, last modified May 22 2019]
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||In places like France, Japan and China, TGV trains
travel faster than any helicopter. In the USA, high
speed travel via anything but aircraft is totally
||Rotorcraft are intrinsically limited in speed by the advancing/retreating blade asymmetry. They are also complex and grossly energy-inefficient.
||There are motorbikes that can outpace the majority of helicopters.
||This idea would make slightly more sense if, instead of using
"copters", it used towed, winged gliders.
||//co// with, //pter// wing. So the terminology does not rule out towed gliders.
||Tilting at copters are we. It has been done and they can be fast. As for tethers, they really have to pay in some special respect in this day and age of autonomy