hi! i would like to buy a generator with the following characteristics: 300 W synchronic permanent magnets 4 pairs of poles approx 220 V efficiency > 0,7 the...
... This I can easily believe. ... See #4 ... Again this is something I could easily believe. That's why I like the variable pitch. I remember having to adjust...
Patrick Rea
patrick@...
Jul 1, 2004 1:22 pm
13570
Hi, I would appreciate your thoughts on a subject of choosing a ratio between solar PV panels and wind turbine, working as a single unit. The system will be...
The only problem that may arise is the related ouptut of the 48V turbine at 12V. The 48V unit has been designed in order to produce its maximum power at a...
Dennis, Just use Google and you'll get a lot of compabies. Now to select the proper ones, I used the following conditions : 1/ Number of references 2/ Duration...
Patrick, If your instructor friend could build one with a proper airfoil for a wind generator and make the hub fit whatever PMG or PMA you want it on, then...
CEC, Much more information is required in order to properly design a system. The relative sizes of the two energy sources you cite are not dependent on each ...
In a message dated 7/1/2004 6:24:26 AM Pacific Daylight Time, cec@... writes: I would appreciate your thoughts on a subject of choosing a ratio...
wecsman@...
Jul 1, 2004 7:38 pm
13576
You also have the Aerowatt system, now manufactured by Vergnet (see www.vergnet.fr) and by Travere (see.travere.com) The aerowatt system is quite reliable and...
I have tried holding a two-bladed carbon fiber propeller for ultralights in the wind at the fine facilities of windtesting.com http://www.windtesting.com in...
Eileen, I was recently involved in the installation of a PV system in central Haiti. The solar panel generated about 750 watts at 24volts and stored this...
Stowe, David
david.stowe@...
Jul 1, 2004 7:41 pm
13579
I find this very strange, having sailed dinghies in the Royal Madras Yacht club, I can assure you that wind power in the vicinity of a large liner is not very...
I'd like to add another comment with regard to the posting I made yesterday. A fellow by the name of Elliott Bailey who has contributed to this forum before...
... The Chinese ones seem to wear out pretty quickly. Most pitch controlled machines I have worked with seemed to have more problems with their pitch control...
Hi everybody. I want to start a project at my own for a small wind turbine (HAWT) from scratch. Need help in this regard. Prevailing wind speed at height of 15...
I have completed 2 successful science fair projects on this subject. In 2003, I measured the resulting torque and in 2004 I coupled different sizes of DC...
I have spoken with Art Randolph and he sent me pictures of the blades he makes. He seems like a nice guy and you have to hand it to him to be cheerfully...
Doug, I tested a two blade set last year. The blades are somewhat rough when new and require some sanding, filling and painting before use. They have a fairly...
I have posted some snapshots of my turbine (AWP 3.6) in the local parades from this past weekend. http://www.rickottenstaterep.org/july_4th_parades/index.html ...
Buy lots of books on the subject and absorb them....That will be the least expensive investment, and the wisest. Don in Tulsa ... From: ghauri_jr To:...
Hi everybody My girlfriend and I will be driving across the country and are interested in seeing effective small scale renewable energy systems. We have about...
Rick, I respect people like you who get involved. I am sure it was not easy to pull it off, but you did. The pictures were great. You should send them to...
Hi Chuck/Doug (Hope I got this right.. I've yet to post to this board) My impression... the blades are a bit rough, a bit of sanding might be nice, although...
We have some samples of Art's blades and hubs here. The only reason we haven't put them on a turbine yet is we haven't built an alternator that's designed for...
Hi Steve, I don't know if you consider the Denver area in the vicinity of your route, but you are welcome to stop by. I have three turbines up. Victor Creazzi...
Tom, I'm hugely interested. Sounds interesting. I've got too many irons in the fire to take off to Dallas right now. I've got to finish Hugh Piggott's...
Thanks to everyone who has posted an answer to my question about Art Randolph's blades. It sounds like everyone likes jumping on them! Good that they can take...
RE: [a-w-h] Re: Blades - Art Randolph - thanks for infoThe info is: Art Randolph Animal Adventures, Inc. Yellville, AR 72687 Don't remember the phone number -...