This guy is my new hero! Not only is his microhydro system got me drooling, his whole website is full of interesting projects. Anyhow, he presents some very detailed pics and commentary about his microhydro installation
project ... everything from aligning
water nozzles with the turbine
spoons to winding his own transformers. All I can say is wow.
http://www.ludens.cl/paradise/turbine/turbine.html