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A blimp is steady in place high in the sky, tethered by 3
cables
in a pyramid shape.
There are two more blimps, one at each of two
"stations".
A rope from the main blimp serves as the swing.
A quadcopter at the bottom of the swing brings the
rope to its
initial position at one of
the stations.
The packages or passengers are elevated by a motor
on the
ground and a pully on the station's blimp. The package
is
hitched on to the swing. Lets go of the station's cable
and woo
hoo! Off to the next station where it is caught, and
slowly
brought down to earth, or hitches onto the next swing.
See link about Ruwandan plane that hitches onto a
catching cable.
Ruwandan auto delivery system
https://www.youtube...watch?v=jEbRVNxL44c
[pashute, Jun 19 2019]
[link]
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Registration Numbers: 2210506; 3841800; 4462890.
or
OOHoh oh ohOOOHoh oh ohOOOH!!! |
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Improvement: only 1 permanent tethered blimp. No
quadcopter. Package cable pulls a package glider by
pulley all the way up to blimp. Then releases the
glider for fast tethered free fall. When nearing
destination uses tether for slowing down and
stopping. Pulled back up with pulley and glides back
down back to base. |
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Another use: high altitude elevator for skydive or for
ultralight gliding with Ram-air parafoils. |
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And still another: as an elevator to a high altitude
restaurant. |
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What is the mass of the tether? |
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