http://blogs.discovermagazine.com/visualscience/2010/03/30/winging-it-for-alternative-energy-in-california-cow-patches/ Ladder truck. Good idea. - Dimitri...
1395
harry valentine
harryc11
Apr 1, 2010 10:43 pm
AMAZING . . . that Makani is now using kites/parafoils that fly in a circle pulling a cable . . . . where in heaven's name did they get an idea like that???? ...
1396
brooksdesign
brooksdesign@...
Apr 2, 2010 1:10 am
Next thing you know, their new invention of tri-tether crank system should be making an appearance. -brooks -----Original Message----- From: harry valentine ...
1397
dave santos
santos137
Apr 2, 2010 1:27 am
Harry & Dimitri, The Makani photo presumably shows a computer controlled kiteplane with a small flygen/motor turbine/propeller on a conductive tether. The...
1398
dimitri.cherny
Apr 2, 2010 1:49 pm
http://www.renewableenergyworld.com/rea/news/podcast/2010/03/small-wind-technologies-an-evolution-or-revolution Very cool. - Dimitri...
1399
Doug
dougselsam
Apr 2, 2010 3:03 pm
Nice to see someone actually running something. Do these kites have onborad generators or are we still "just flying kites"? Now add a generator at the center...
1400
dave santos
santos137
Apr 2, 2010 5:39 pm
Doug, Its incorrect to suppose that a sail fixed to ground machinery is an AWE kite. Unlike a traditional windmill sail, a kite is airborne & goes much...
1401
dave santos
santos137
Apr 3, 2010 10:47 pm
A hydraulic piston pump is simple, fairly cheap, & highly efficient (up to 92%). A double acting cylinder pumps when pushed or pulled. Three such cylinders...
1402
harry valentine
harryc11
Apr 4, 2010 3:01 am
There is certainly application for wind energy technology that can drive water pumps and push water to higher elevation during the off-peak periods. It is more...
1403
Bob Stuart
carcyclebob
Apr 4, 2010 3:25 am
Given that the real need is for electricity on demand, it makes sense to focus on a two-stage generating system, with wind storing energy. There will be times...
1404
dave santos
santos137
Apr 4, 2010 11:05 pm
Small lightweight battery packs & devices may be usefully charged aloft. A cellphone is AWE chargeable by simply lofting it by a small kite with a mini...
1405
AirborneWindEnergy@ya...
Apr 5, 2010 12:53 am
Hello, This email message is a notification to let you know that a file has been uploaded to the Files area of the AirborneWindEnergy group. File :...
1406
Pierre BENHAIEM
benhaiemp
Apr 5, 2010 8:11 am
"Charging Batteries Aloft" for cell phone or laptop is a good way for AWECS and I am testing some small brushless and brushed motors as fly generators and some...
1407
dave santos
santos137
Apr 5, 2010 5:01 pm
Pierre,  There are two kinds of cheap small generators KiteLab has used. A bicycle generator, with a rectifier diode & anti-ripple capacitor added, will...
1408
dave santos
santos137
Apr 8, 2010 7:09 pm
There has been speculation & hints that Joby Energy & Google would cozy up in the quest for utility-scale flygen AWE, as the job proved way too ambitious...
1409
Joe Faust
joe_f_90032
Apr 9, 2010 2:39 am
DDWFTTW Directly Down Wind Faster Than The Wind question more carefully defined for definitive answering is apparently being sponsored by Joby Energy and...
1410
Joe Faust
joe_f_90032
Apr 9, 2010 3:08 am
Their objective and definitions: "Team Objective: To build a wind powered vehicle which can travel directly downwind, faster than the wind, powered only by the...
1411
christopher carlin
christopher.m.carlin@...
Apr 9, 2010 3:14 am
There may be something I'm missing here but I think you're trying to defy the basic laws of thermodynamics...
1412
Bob Stuart
carcyclebob
Apr 9, 2010 3:35 am
Well said, Joe. Why can't whoever sold this to Google sell more promising projects instead? <sigh> Bob Stuart...
1413
Doug
dougselsam
Apr 9, 2010 6:00 pm
Google.org contacted us a couple years ago after the Popular Science Invention of the Year 2008 for Sky Serpent. The contact was Andrew Greenblatt if I recall...
1414
Doug
dougselsam
Apr 9, 2010 7:35 pm
Seems a bit silly to me. Of course one could store sufficient energy while moving in any direction that allows energy capture, or better yet, while...
1415
dave santos
santos137
Apr 9, 2010 8:56 pm
Aerotow AWECS launch has been well covered by this forum as a proven means to avoid self-launch requirement of many AWE schemes. Developing effective VTOL...
1416
Bob Stuart
carcyclebob
Apr 10, 2010 6:45 am
Well, they do have the gauntlet down, for "steady state" - no storage during the run. See section 5 at ...
1417
Joe Faust
joe_f_90032
Apr 10, 2010 1:29 pm
The wiki is one place of effort for defining things. The project by the team in California is another. The effort to get definitions to guide inspection of...
1418
Joe Faust
joe_f_90032
Apr 10, 2010 8:40 pm
Date: Sat, Apr 10, 2010 at 12:40 PM Subject: UAS High Richard Glassock, There is a non-empty intersection between airborne wind energy conversion systems...
1419
Joe Faust
joe_f_90032
Apr 11, 2010 3:37 am
Electric Aircraft Symposium IV Electric Aircraft <http://cafefoundation.org/v2/ea_main.php> 2010 EAS <http://cafefoundation.org/v2/ea_eas_2010_main.php> 2009...
1420
Joe Faust
joe_f_90032
Apr 11, 2010 4:03 am
EAS IV 2010 Program: Preliminary Program: 5 minutes of Q&A per speaker; 20 min coffee; 50 min box lunch; Theme Dinners on site 4/23/10. Friday April 23 * 07:30...
1421
dave santos
santos137
Apr 11, 2010 6:12 pm
Every summer world aviation culture wings its way en-masse to Oshkosh, Wisconsin for the fly-in hosted by the Experimental Aircraft Association (EAA). Around...
1422
Joe Faust
joe_f_90032
Apr 12, 2010 1:28 am
Here is one lab at the Joby Energy environs: http://www.jobyenergy.com/tech/visit <http://www.jobyenergy.com/tech/visit>...
1423
Bob Stuart
carcyclebob
Apr 12, 2010 6:06 pm
Re: Directly Downwind Faster than the Wind. Dang, I wish people would put their theory in a more accessable location when it outrages common sense. On...
