so you design turbines that will run in the 250mph range, plenty of
propeller aircraft fly at those speeds and higher. NBD.
--FT
On 2/19/19 4:35 PM, Andrew Strasfogel via Mercedes wrote:
Wind turbines are programmed to feather at wind speeds > 65 mph.
On Tue, Feb 19, 2019 at 4:31 PM Floyd Thursby via Mercedes <
mercedes@okiebenz.com> wrote:
Those wind kites/wings ideas are ages old, I guess it has come time for
someone to actually put up some $$ to try to make it work. I suppose it
makes sense for this particular application, would be interesting to see
the cost justification of the kites v. diesel generators on the rigs.
It would be better to get them up into the jet stream, it is blowing
like 250mph right now, some jet just made 801mph ground speed with the
tailwind! i think that was actually one of the earlier concepts, the
winds lower down are too variable and subject to storms and such.
--FT
On 2/19/19 12:57 PM, Andrew Strasfogel via Mercedes wrote:
A 'moonshot' wind technology
The other development of last week has less impact on Shell's bottom line
but suggested where it may be headed in offshore energy.
Last Tuesday, an energy project little known outside Silicon Valley
announced a partnership with Shell to deploy a robotic kitelike device in
the deep ocean off Norway.
The device is a wind generator developed by a startup called Makani.
Essentially, it is a wing with propeller blades that generates
electricity
as it circles in the air in the presence of strong winds. It is attached
to
the ground by a tether that doubles as an electric cable.
"Adapting Makani's energy kite technology to offshore environments is an
exciting technical challenge, and we'll be drawing on Shell's extensive
engineering and operational expertise with floating structures to make
this
transition," wrote Fort Felker, Makani's CEO, in a blog post
<
https://blog.x.company/makani-takes-to-the-ocean-with-shell-5aa74551917a>.
"We plan to kick off testing of this new floating offshore system with
demonstrations in Norway later this year, and we're developing additional
partnerships to help us bring Makani's commercial system to life."
Makani proposes that embodying a wind generator in the form of a kite,
rather than a tower, saves on materials and construction costs. It is
also
more light and portable, and could be deployed in the deep ocean via a
tether anchored on the seafloor.
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--
--FT
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--FT
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