On 6/30/07, Esa Ruoho <[EMAIL PROTECTED]> wrote:
http://blog.hasslberger.com/2007/06/water_vortex_drives_power_plan.html The *diameter* of the vortex basin is 5 meters. The *head* - difference between the two water levels - is 1.6 meters. The turbine produced *50.000 kw/h* in its first year of operation. *Construction cost* was 57.000 Euro
Works out to about $13.48 per W capital cost. Terry

