by
HiGramma
Feb 12, 2011
Thank you for your response to: Hydroelectric converter. it doesn't have blades. It consists of cylinders that operate on a princple of fluid motion and doesn't impede or harm fish. A local underwater photographer set up live river cams and verified that the fish had little to no response to the apparatus. More info can be found @http://www.vortexhydroenergy.com/