At 3:42 PM 4/14/5, Robin van Spaandonk wrote:
A Kevlar 49 cord just 1 mm in diameter would be strong enough, not
counting the weight of the kite, but you would have 2 cords, and
they would only contribute an extra 50 kg each to the weight. The
cord would be about 50 km long. An aluminium wire
Jed Rothwell wrote:
Jones Beene wrote:
I do not think those gigantic kites would require
ultra-strong tethers. They would not pull on the
tether much.
This could not be correct, logically.
IF you were right and the kite would not pull on the
tether much then you don't need a tehter at all!!
Stephen A. Lawrence wrote:
Note also that autogyro
analogies are likely to be misleading because the vertically oriented
turbine in an autogyro . . .
You mean the propeller, right? The propellor is vertical; the unpowered
rotor is horizontal.
. . . does no work
on the plane -- a craft in level
In reply to Stephen A. Lawrence's message of Wed, 13 Apr 2005
16:23:43 -0400:
Hi,
[snip]
Note that the turbines in the skywindpower gadget are horizontal, like
autogyro rotors. (They look horizontal to me.) The wind turns them the
same way it turns the unpowered horizontal rotor in the
I do not think those gigantic kites would require
ultra-strong tethers. They would not pull on the tether much. Most of the
energy of the wind is dissipated either in lifting the kite or turning
the electric generators. The kites would work like autogyros. (See:
--- Jed Rothwell wrote:
I do not think those gigantic kites would require
ultra-strong tethers. They would not pull on the
tether much.
This could not be correct, logically.
IF you were right and the kite would not pull on the
tether much then you don't need a tehter at all!!
Simply divert
Jones Beene wrote:
I do not think those
gigantic kites would require
ultra-strong tethers. They would not pull on the
tether much.
This could not be correct, logically.
IF you were right and the kite would not pull on the
tether much then you don't need a tehter at all!!
Well, I think it has
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