Hakan, I like the idea of putting a Darrieus rotor on my roof. Do you know of any small wind mills of this design? Do you know if the design is still efficient at a small scale? -Martin Klingensmith
On Tue, 2004-01-06 at 21:32, Hakan Falk wrote: > Hi, > > For a while now, I have studied small wind generation and followed list > discussions about it. > > A number of times it have been announcements of cheap small wind turbines, > that claimed to be suitable for general use almost anywhere. Every time it > show up, it caused a large interest, but it turned out to be either > physically impossible claims of performance or suspected scams. Some of > them even with an ignorant support from politicians. It have easily been > exposed by more knowledgeable people, but the reaction of interest it > created, has stayed in my thoughts. > > With time, I have been surprised how limited todays small wind generation > is. The implementations are in smaller scale and different in nature, than > what I thought when I started to study the current market. Due to type, > size and siting, the installations are rural or sub-rural and mainly off > grid. The profiles of small wind and small hydro electric markets are today > very similar. The dynamic and rapid development of the large wind turbine > market, is not mirrored in the small wind turbine market and they are in > reality sometimes competing for the suitable sites for one off turbines. If > a farmer have a suitable site, one or a couple of large wind turbines is > often a very profitable business project. > > I have often seen calls for a popularization of small wind, but this seems > to be more a question of development of small turbines for urban and > sub-urban siting. To bring clarity in this question, a debate and > discussion is needed. I have done the following article, > > Plug-’n Wind turbine, a development specification. > http://energy.saving.nu/plugin/windturbine.shtml > > as an attempt to get a discussion started. > > Hakan > > > > Biofuel at Journey to Forever: > http://journeytoforever.org/biofuel.html > > Biofuels list archives: > http://archive.nnytech.net/index.php?list=biofuel > > Please do NOT send Unsubscribe messages to the list address. > To unsubscribe, send an email to: > [EMAIL PROTECTED] > > Yahoo! Groups Links > > To visit your group on the web, go to: > http://groups.yahoo.com/group/biofuel/ > > To unsubscribe from this group, send an email to: > [EMAIL PROTECTED] > > Your use of Yahoo! Groups is subject to: > http://docs.yahoo.com/info/terms/ > > > Biofuel at Journey to Forever: http://journeytoforever.org/biofuel.html Biofuels list archives: http://archive.nnytech.net/index.php?list=biofuel Please do NOT send Unsubscribe messages to the list address. To unsubscribe, send an email to: [EMAIL PROTECTED] ------------------------ Yahoo! Groups Sponsor ---------------------~--> Buy Ink Cartridges or Refill Kits for your HP, Epson, Canon or Lexmark Printer at MyInks.com. Free s/h on orders $50 or more to the US & Canada. http://www.c1tracking.com/l.asp?cid=5511 http://us.click.yahoo.com/mOAaAA/3exGAA/qnsNAA/FGYolB/TM ---------------------------------------------------------------------~-> Yahoo! Groups Links To visit your group on the web, go to: http://groups.yahoo.com/group/biofuel/ To unsubscribe from this group, send an email to: [EMAIL PROTECTED] Your use of Yahoo! Groups is subject to: http://docs.yahoo.com/info/terms/
