September 2009 |
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Special event: Mark your calendar, consider attending and connecting: High Altitude Wind Power 2009 [(ED: Focus seems to be on utilityAWE and commercialAWE] The registration fee for the HAWP 2009 will include the fee for the initial portion of HAWP that takes place at the This Way to Sustainability Conference (TWTS) in the Bell Memorial Union at California State University at Chico. Transportation will be available from TWTS to the Cleantech Innovation Event Center at the Energy Farm in Oroville where the remainder of the HAWP 2009 Conference is being hosted. Several meals will be provided. Registration for the HAWP Conference will open near the end of September at the www.HAWPConference.com A several hour block of time has been allotted to offer an opportunity for other researchers and companies who wish to present at the conference. There will be a method of submission made available for abstracts of these 15-20 minute presentation proposals. Attending so far: press, venture capitalists, open-source AWE designers and closed-source business representatives. Conference: High Altitude Wind Power (HAWP)
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1Sep2009 |
KiteLab is now a
partner of
GVEP, [ED: So far, at least two of our AWE community have become partners in GVEP.] |
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1Sep2009 | National Geographic Magazine and National Geographic Channel have been given heads up about AWE. AWE workers will probably cooperate with foundational photography of a game-changing evolving industry. | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||
1Sep2009 | ED: At some point in the future the following company will be trading energy from kite systems; however, at the moment, the company might not even appreciate how AWE will be affecting their future; they have the right name for their company, but there is a hole in their awareness, perhaps: http://www.bluekiteenergy.com/About-Blue-Kite-energy/ | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||
1Sep2009 |
Application for patent filed March 13,
2007. Method and device for wind generated electricity Inventors: Uzi Ezra Havosha and Gal Pri-Paz Agents: UZI EZRA HAVOSHA & PARTNERS Assignees: Origin: TEL AVIV, omitted IPC8 Class: AB64B150FI USPC Class: 244 33 Abstract:An airborne electricity producing generator powered by wind at high altitude. A gas filled balloon keeps the turbines and other apparatus afloat. Connection with the ground is with tethers that also prevent the apparatus from floating freely and conduct electricity, thereby bringing the electricity produced to ground based transformers. Computer controls the position, direction, tilt and height of the apparatus depending on wind direction and speed. |
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1Sep2009 | http://xercesblue.org/index_en.html | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||
1Sep2009 |
Aerostat self-inflates with hydrogen made via use of solar
energy (it envelope converts solar energy to electricity; that
electricity operates over ambient atmospheric moisture to produce hydrogen;
that hydrogen is used to fill the aerostat; the aerostat forms to an efficient
kytoon. The aerostatic kytoon rises and its tether becomes taut. The
electricity aloft is used to input control changes that cause the kytoon to do
power figure-eight paths and continue to convert air's moisture to hydrogen;
the power paths drive a counter-weighted tipping boom; the driven tipping boom
drives a spragged shaft; the rotated shaft drives an electric generator or pump
(lift water, or do immediate work, or compress air). The materials of the
kytoon are UV resistant. The system is a robot-controlled stable single-line
LTA kite system that remains aloft night and day for a year or more. Notice
that the gas loss is replenished continually as needed without feed from the
ground. The generator is on the ground. Units may be anchored, triggered, and
then abandoned. Sensors and communication devices send status data to a central
wind-farm mainframe. Millions of these units around the world... small and
large may be a game changer. JoeF, August
31, 2009, public domain. Public comment invited: Notes@EnergyKiteSystems.net |
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1Sept2009 |
Both: "Highest Wind" and "HighestWind" |
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1Sep2009 | http://www.me.wpi.edu/Images/CMS/ME-Aero/MQPPublication2008forWebsite.pdf | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Air rights? Responsibility for AWE-caused damages? AWE-related insurance? Air rights? Who owns the air above private land? Who controls what happens in air above private land? Landowner, city, state, national agent, perhaps all the above? Tether scope?
Failure safety? When wind is too much or too little? |
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2Sep2009 | Note removed. | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||
2Sep2009 |
NREL confirms Spectrolab solar cell hits new conversion efficiency record of
41.6% [ED: What are ways solar radiation conversion may play in AWE? Your ideas are welcome: Notes@EnergyKiteSystems.net ] So far, entered ideas:
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2Sep2009 |
Are there feasible solar-thermal opportunities above the clouds
using LTA kite AWE systems? Brainstorm ideas are invited: Notes@EnergyKiteSystems.net |
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3Sep2009 |
There are other ways besides scaling to increase AWE performance. Call for ideas: Notes@EnergyKiteSystems.net |
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3Sep2009 |
Once a perma-AWE installation is operating, what secondary services might that
installation serve? Your ideas on this are invited: Notes@EnergyKiteSystems.net So far in:
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3Sep2009 | Kestrel Autopilot (TM) Offered. Kestrel Autopilot System (KAS) "Autonomous Autopilot and Ground Control For Small Unmanned Aerial Vehicles" User Guide. [[This mention is not a recommendation of fitness for AWE.]] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||
4Sep2009 |
Kite Personalities
- Bill Lockhart |
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4Sep2009 |
Beloved Father of Hang Gliding DiesFrancis Rogallo, 1912-2009 |
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Douglas
J. Amick Provisional Patent Application of Douglas J. Amick For TITLE: TETHERED WIND TURBINE
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5Sep2009 |
By
Miles L. Loyd Patent number: 4251040 |
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5Sep2009 |
By
William J. Mouton, Jr. Patent number: 4166596 |
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5Sep2009 | Lifter kites hold wind-driven tail turbines of very many designs. Bottles, old CD disks, etc. form spiraling tails that drive generators. Explore YouTube for wind turbine and then design lifter kites featuring the tailed removed turbine concepts. If the lifter kite is a LTA kytoon of stable-single-line type, then small or large wind can be mined for energy at low and higher altitude. At very high altitude, consider non-conductive tether while using laser or microwave conversions for sending energy to ground reception spots for further conversion to electricity (and then perhaps to hydrogen). Discuss this family of AWE in AirborneWindEnergy group. | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||
5Sep2009 |
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6Sep2009 |
KiteLab Ilwaco Cooperative IP Disclosure A "square sailed" single-skin "play wing", possibly the most ancient of kites, with four or more lines, is a good AWE/traction alternative to proprietary three line single skin kites, for high scaling potential with added benefits, including increased performance. The leading edge can be made luff resistant by sawtooth turbulation. |
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6Sep2009 |
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7Sep2009 |
Jayant Sirohi http://www.ae.utexas.edu/faculty/members/sirohi.html http://www.ae.utexas.edu/research/car/members.php https://www.utexas.edu/research/eureka/faculty/view.php?pid=4948 Patent application: ELECTRIC POWERED ROTARY-WING AIRCRAFT The American Helicopter Society (AHS) International http://www.pprune.org/archive/index.php/t-379308.html http://www.serc.iisc.ernet.in/broadcast_messages/msg00102.html Page 7 of http://www.ae.utexas.edu/alumni/Newsletter_F08.pdf Supervised student's thesis: Thesis DESIGN AND TESTING OF AN AUTOROTATIVE PAYLOAD DELIVERY SYSTEM: THE AUTOBODY by Anne Brindejonc |
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8Sep2009 |
LoopLadderMill Schematic by Harry Valentine:
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8Sep2009 |
Selsam Innovations
http://selsam.com/
And
Selsam
Innovations Quote: The Future of Wind Energy is a Multi-Rotor Future! SuperturbineTM
[ED: Doug Selsam is exploring
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8Sep2009 |
AWE? >>>Apply!!!!
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9Sep2009 |
Opportunity:
Physics
of AWE aspects |
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10Sep2009 |
Several national AWE representative positions E-mail: Rep@energykitesystems.net |
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10Sep2009 |
Variable Traction Kite System A longstanding design exists for a variable parachute whose apex is pulled in & out to furl or power it. Simply hang such a chute under a pilot-lifter as line laundry & viola, its an effective variable traction kite system for reel-gen based AWE. No need for a novel superkite |
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10Sep2009 | http://www.speedventuresummit.org/node/41 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||
11Sep2009 |
Conference: High Altitude Wind Power (HAWP)
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11Sep2009 | "Magenn, use rotation of the Magnus-effect dirigible kytoon to drive a looping tether to drive a ground-based generator! Forget the lofted generator and conductive tether!" | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||
11Sep2009 |
Google Reveals Plan to Cut Solar Thermal Costs By a Quarter |
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11Sep2009 |
We have some neat updated drawings |
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11Sep2009 |
Dr. Cristina Archer
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12Sep2009 |
Dream, brainstorm, begin journal |
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12Sep2009 |
AWE Revolution Market
Formation? In every Kindergarten:
http://tinyurl.com/pinwheelAWE
Though the following pinwheel generator is stiff towered, alter it a bit and put 10 inches of tether at the pinwheel axis, keep the hand boom and swing that baby about (pendulum countering to stay a blocking to work the generator might be needed for the in-pinwheel generator. Alternatives with generator left in hand boom can be figured. Actually Darin Selby's opposing twisters may make a great beginning AWE in the small. Selsam and SpiralAirfoil may have the makings for a root market revolution AWE device in this genre.] Put tethered version in the hands of a billion children to train a generation in AWE to help make market for the coming AWE supply revolution. Click through image for the patent. Tether scientists are invited to describe the dynamics of the 10 inch tether and the amount of energy that might be generated by a healthy normal sized 6 year old child with a specified sized pinwheel generator AWE device. Market specialists are invited to figure out the social/market impact of a billion children playing with such an AWE device coupled with Internet explanations of the mechanics and the potential implications of AWE. Kite energy. HAWP. KiteMotors. To-ground-laddermills. Lofted laddermills with long no-wing lower drive loops. Etc. How efficient is the device in AWE forming a generation? |
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12Sep2009 | "Skydivers are the "right stuff" to fly AWE hands-on at altitude." ds Note extended. | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||
12Sep2009 |
What portion of this is AWE? : )
September 11, 2009
The Irresistible Force of Wind Power: BTM's World Market Update 2008 |
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12Sep2009 |
Lightning as source for energy is still in focus by some researchers. Michael
Herman has vision of a mobile AWE arrangement to capture lightning energy.
US Patent number: 6474595 Filed: Feb 1, 2000 Issued: Nov 5, 2002 |
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12Sep2009 |
Some company near Selsam, Selby, Parker, Valentine?
For upper hold: mountains, towers, buildings, kites, kytoons? See Robert S. Krolick and Robin E. LeFever Or review Willard D. Gillette |
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12Sep2009 |
Article at Drachen Foundation: in fall of 2002 |
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12Sep2009 |
The new kite lines? When will these be transmitting kite energy? http://brucetrail.wholemap.com/hike11-speyside/power-lines.jpg |
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12Sep2009 |
James May's Big Ideas on the Laddermill
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13Sep2009 |
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13Sep2009 |
KitVes
"Airfoil-based solution for Vessel on-board energy production
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13Sep2009 |
Beginnings? |
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13Sep2009 |
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13Sep2009 |
KiteGen |
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13Sep2009 | KiteGen | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||
13Sep2009 |
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14Sep2009 | WECS Wind Energy Conversion System. What are the categories of WECS? Please send in your known categories. Airborne wind energy (AWE) is a WECS category. Ground-locked wind energy conversion systems form a category of WECS. Notes@EnergyKiteSystems.net | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||
14Sep2009 |
nonAWE WECS
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14Sep2009 |
Sizes of AWECS:
Text toward AWE solutions in each scaled size
have been emerging. Generalized AWE types classed by mooring scheme:
AWECS style sectors: practical,
artistic, educational, promotional, recreational, .. AWE work styles: tug, pull, grind, pump liquids, generate electricity, compress gas, transport goods, transport people, ... |
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14Sep2009 |
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15Sep2009 |
U.S. HOUSE PASSES CONGRESSMAN TONKO'S WIND ENERGY BILL [ED: Bill is for a five-year period (2010 through 2014), $200 million per year, net 1 billion dollars. Awareness of AWECS is low compared to awareness of towered turbine conversion systems.]
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15Sep2009 |
www.sequoiaonline.com ""Website of the “sister” company of Kite Gen Research"" SeTAC ... triaxial acceleration computer SeTAC (SEQUOIA Triaxial Acceleration Computer) 1. Rotokite Rotokite wind generator. See video also (art). [ED: The art is showing the reel method with power phase reel payout (productive phase) and non-productive phase with reeling in (cost) with collapse Rotokite.] 2. Rotokite (19 pages in PDF document, telling how rights to patent given to nonprofit Xerces Blue) "The idea for the Rotokitepatent started with Gianni Vergnano, director of the company SEQUOIA IT, to which the patent is registered." Notice the historical remarks concerning parentage of Xerces Blue nonprofit. Notice also the associations with KitVes and KiteGen, Kite Gen, Kite Gen Research, Kite Wing Generator Project, |
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15Sep2009 |
Global Assessment of
High-Altitude Wind Power |
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16Sept2009 | Aviation Safety Reporting System has a new online method to a new feature which enables you to securely send an Aviation Safety report via the Internet. Report AWE-aircraft incidents to ASRS. | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||
17Sept2009 | New folder is opportunity for researchers: AWE Tether Visibility | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||
18Sept2009 | Tethered Aerostat Radar System | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||
18Sept2009 | FAA Special Use Airspace & Air Traffic Control Assigned Airspace Website | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||
18Sept2009 | http://www.cafepress.com/skywindpower | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||
18Sept2009 | High Altitude Solar Power [ED: An AWE resarcher will find some matter here.] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||
19Sept2009 |
Fellow on the street asks an AWEsome advancer:
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19Sept2009 | Prediction: There will be competition events that pit towered wind turbines against AWECS. Cost formula will be constructed. Maintenance, replacement, dismantling, recycling, labor, transportation, transmission, mishaps cost, land costs, interest, etc. | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||
19Sept2009 |
Advanced enlightened mother approaches an
AWEsome advancer: |
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20Sept2009 | Have the backside or upper side of AWE lifters and actors be reflective of the sun to send back to space some of the sun's radiation, along the lines Ken Caldeira, a fellow at the Carnegie Institution at Stanford, and geo-engineering team are considering. | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||
20Sept2009 |
Three large branches of wind power:
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20Sept2009 |
Will wind-energy captured by AWE have a hurtful effect?
Wind balances heat and cold on earth. Will just more wind be formed when AWE slows some wind, as the balancing will still need to take place? Study and discuss in group? |
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20Sept2009 |
http://www.speakerfactory.net/wind_old.htm
Selsam says that he invented the AWE method of Laddermill: Although I have also patented the concept of blades that are filled with
helium or hydrogen, so the lifting body also provides the power. It makes me
want to cry to see people putting resources behind lame-duck concepts such as
Magenn - I could always make a more powerful turbine with the spare change in my
pocket than they could ever produce even if they had millions to work with. It
is all very sad to be basically (somewhat?) ignored while all the talking heads
endlessly discuss how they will leave no stone unturned, put huge resources
behind the effort etc., and you know going in they will waste ALL the money and
do nothing that was not going to be done before, by the entrenched big players
in wind energy. Here is my logic: [ ED: Key phrases: "Wind Harnessing Buoyant Aerial Tramway" "Auto-Oriented Wind Harnessing Buoyant Aerial Tramway" ] September 20, 2009, Doug Selsam
has given EnergyKiteSystems permission to republish images of his 1970's
documentation that seems to be a strong claim for original inventing for a
type of AWECS (airborne wind energy conversion system) that is now often called
LadderMill because of the work done later by KiteLab at Delft University,
Netherlands under guide by astronaut professor Wubbo J. Ockels. Study and
discussion on these matters has started in group AirborneWindEnergy at
message:
M309.
[ED: From Doug's text on his site about his concepts and his drawings of his original disclosure, it seems that he then did not see a couple of directions: 1. Lower-altitude second loop of lines that do not have acting wings, but which lower loop still transfers the upper wheeled tensional drive to drive the groundstation generator. 2. The possibility of having down-going wings be fully negative lifters driving very strongly and even with an effective use of the lee flows of the up-going wings. Separations and formats of lifter holds form a family of maturing laddermills. The lower wingless loops may allow a a simpler aloft laddermill with acting wings kept only in high altitude winds. With such priority, perhaps a renaming to BAT (buoyant aerial tramway) might be in order to replace "laddermill" that was coined by the Delft group. Studies and commentaries are invited. ] |
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20Sept2009 |
Laddermill sail - a new concept of sailing Alex R. Podgaets, Wubbo J. Ockels. Laddermill sail – a new concept in sailing // International Conference on Engineering Technology ICET 2007 (Kuala Lumpur, Malaysia, 11-14 December 2007) |
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21Sept2009 |
The smartly controlled coupled-dual kite system that has no tether to the
ground where one terminus actor-lifter kite stays in the jet stream and the
other coupled terminus actor-drogue kite stays outside the jet stream forms a
system that works non-stop 100% of days and nights. The aloft generated
electricity is converted to either microwave but preferably laser (better
mobile pointing to ground receptors). A constellation of the system type
could circle each hemisphere. No tether to ground, no hard towers, no
bird kills, clean, sustainable. The "smart" assembly keeps the system's
terminus-acting turbines in their respective different winds. The difference
of airs and dynamics is not too unlike the bi-space actions occurring in sport
powerkiting with the board (water-kite or hydrofoil) in the water and the
upper controlled kite in the wind. The two jet streams need only be lightly mined to supply enough power for all humans. For winds and power available at various altitudes, the helpful recent publication of an earth wind atlas is helpful for analysis: http://www.mdpi.com/1996-1073/2/2/307/ by Cristina Archer and Ken Caldeira JoeF |
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21Sept2009 |
What is the history of multiple rotors or
rotating wings on a torsion shaft (co-axial blades) or torsion tube for
capturing fluid flow forces for use in doing work (driving engine,
operating grinder, braking aircraft, thrusting a boat, generating electricity,
pumping water, etc.? Notes are invited.
Notes@EnergyKiteSystems.net
Some preliminary talking points:
Preliminaries: propeller, Morgan reflections. What might be the coming utilization of multiple wings on a
torsion shaft in AWE? Instead of installing a swivel on those spinning kite tails:
Put an inline electric generator where the swivel would have been placed for
spinning kite tails.
Received notes on the topic:
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21Sept2009 | Choice: "How do you choose to power your life?" ds | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||
21Sept2009 |
Magnus-effect autorotating tethered non-powered aircraft (kite wings) on a
loop scheme with generator on the ground? Not laddermill, just loop being
driven by the rotation of the lifting wings. Notice the wings stay aloft and
that the winged sector can be in and stay in very high altitude. Severe lifter
kite or kytoon could assure tension and staying capacity.
Drawing by Harry Valentine. [ED: Magenn Power, what do you
think about leaving the generator on the ground?] http://energykitesystems.net/HarryValentine/MagennLoop.jpg
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22Sept2009 |
Want to feel some airborne personal energy?
Pierre Benhaïem. is forwarding solar-balloon jumping! And Pierre has sent to us: http://www.energykitesystems.net/PierreBenhaiem/em6extrait.mpg Pierre also ups some AWE:
[ED: His art indicates AWECS kite farm utilizing method that shows in Fig. 1 B of 1975 filed patent 3987987 by Peter R. Payne, Charles McCutchen, that is, a boom rocked via use of two tethers; the left tether becomes taut while the right tether slacks and then exchanging roles. Controls would guide the kite coterie for its wind window pathing left to right to left, etc. The oscillation would rock the boom; the boom's center would rotate and drive generator. The video caption states that the video is a simplification. And "OrthoKiteBunch is a new type of kite generator." Multiplicity of kites in coterie and trains is not new art. We hold our tongue on the newness of claims. The art is very enjoyable. Discussion in group is invited.] OrthoKiteBunch video caption English is: "OrthoKiteBunch is a new type of kite generator, for a gigawatt
installation with a 2,5 km² area swept and less than 1 km² ground occupation.
OrthokiteBunch links two new concepts.OrthoKite concept:constant and optimal
orthogonal force on one one lever arm then the opposite lever arm. KiteBunch
concept: kite lines converge, so the kites can be superimposed to capture a full
area without space loss (it is not really possible with an usual train kite).
Two relay lines with their respective winches link a bunch of kites to a double
lever arm. A winch winds the working line while the other winch unwinds the free
line. OrthoKiteBunch video caption French seems longer:
Google machine translation of the French above: THERE MAY BE ERRORS IN THE following TRANSLATION. Skilled translation is invited, please send to Notes@EnergyKiteSystems.net Thanks.
Animated diagram of the new streamlined system designed to scan an area of
maximum wind for a minimal footprint (See also another video with more
sophisticated animation to start.).
Research on new methods of converting renewable energy to generate electricity to satisfy concerns about global warming and depletion of fossil resources. The kites can capture altitude winds more regular and puissants. Différents systems were designed. The OrthoKiteBunch developing a gigawatt by capturing an area of 2.5 sq. km of a wind of 12 m / s, for an occupation on the ground under one sq km. It is the result of the realization link two concepts : right angle pulling alternately on one lever and contrast for optimum transmission and almost constant tensile force, and arrangement of elements in clusters of flying kites overlay whose lines converge at a point where down the two rows over. Bouquets of kites allow full coverage of the surface and worked especially on
the vertical (unlike the conventional train of kites which must be remote from
each other for uptake unmasked wind, and therefore unduly occupy the space,
and also fly at different speeds in proportion to the length of rope). Discuss OrthoBunchKite in group: M311 Further, Pierre Benhaïem has some patents on grand schemes of energy generations using two mountains or two skyscrapers. |
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22Sept2009 |
Hybrids? Click around: |
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22Sept2009 | Two and a half men, TV program: Mother left electric car with son; she said, "If you run out of power, there is a kite and key in the trunk." | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||
23Sept2009 | History of high-altitude wind power conferences | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||
23Sept2009 |
Structural optimization of the pumping kite wind generator
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24Sept2009 |
Toward DaveS' focus on cyclic mid-tether variDrogue for
pumping or generating electricity. See group message thread: M313
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24Sept2009 |
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Pause Interlude |
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24Sept2009 |
IBF
Ingenieurbüro Franetzki
[ED: Invite discussion in group AirborneWindEnergy Furthering: Concept 3 could be tensional towers stayed by kites or kytoons.] |
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25Sept2009 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
26Sep2009 |
Notes on this topic are invited: Notes@EnergyKiteSystems.net |
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26Sep2009 |
Notes on this topic are invited: Notes@EnergyKiteSystems.net
When wind is not: Smartly change the color to cycle tether-driven pump or generator.using ratcheted gearing |
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26Sep2009 |
kiteyness non-kiteyness |
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26Sep2009 | ratchet engine Ref1 Ref2 Ref3 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||
27Sep2009 |
Tethered airfoil wind energy conversion systemLloyd I. Biscomb US Pat. 4309006 - Filed Jun 4, 1979 Approved on Jan. 5, 1982. "Tethered airfoil wind energy conversion system" TAWECS |
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28Sep2009 | http://www.worldchanging.com/archives/004052.html Left photo re: laddermill ...art Does someone have access to large version? http://tinyurl.com/laddermillARTimageset | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||
28Sep2009 |
Velocity Cubed Technologies, IncPhoto Albums |
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28Sep2009 |
On a rig resembling a
twin-rotor autogyro, the weight of the generator would not be a
liability except for minimum wind conditions. It would serve to replace some
line tension. In the event of a sudden loss of wind, the rotors could be powered
to maintain control for landing if autorotation were insufficient. Powered
rotors might also be used for launching into marginal wind, to get up to good
wind. Bob Stuart |
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28Sep2009 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
28Sep2009 | Morph the blades in various ways on kitemotors, lofted turbines, torsion rotors, etc. Here is some instruction: | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||
29Sep2009 |
Damon Vander Lind Generalink |
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29Sep2009 | Rigifoil, RigifoilMax, Rigifoil Max Ref1 | Image | Patent | Manual | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||
29Sep2009 | Airplane almost hits ship kite | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||
29Sep2009
DS |
Edward Mills Purcell A classic talk on ultra low Reynolds' numbers, a joy for novice & expert alike, not exactly kitey, but kites lean toward lower Reynolds', so its very instructive. Also relates to spiral hydrofoils in slow current:
Life at Low Reynolds' Number
"I got interested in the way a rotating corkscrew can propel something. Let's consider propulsion in one direction only, parallel to the axis of the helix." And if you enjoy that .... then a revisit with illustrations and other notes: Revisited. |
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29Sep2009 |
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30Sep2009 |
North American WindPower (NAW) site forwards
announcement of the HAWP 2009 conference. This might be a good
sign where towered-turbine turf begins to join the
wave of airborne wind energy flows.
The NAW staff signed for credit for the announcing effort; that is a good
sign. Will giant companies in towered turbines like Vestas open up a sector of their business to the coming AWE revolution? |
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30Sep2009 |
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30Sep2009 |
Set of WPI==> Videos. |
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30Sep2009 |
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30Sep2009 | Low-altitude AWE (LAAWE) has many varied opportunities. Messy low-altitude wind can be mined for its energy. | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||
30Sep2009 |
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30Sep2009 | [Exquadrum, Inc. Report on September 30, 2009: not currently pursuing airborne approach. However, their ground-based OTT is interesting and may provide some ideas for airborne researchers: See OTT orbital track turbine ] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||
30Sep2000 |
The ETA for wide acceptance of AWE beating HAWT is ________. Answers are invited: Notes@EnergyKiteSystems.net |
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