Near the base camp in the district of Tsugaru passes along with the tourists, I have built mini-hydroelectric power plant with a capacity of 15 W and voltage 220 V. This is sufficient for night camp lighting energy-saving lamps or LEDs. Day also can charge batteries of cameras and camcorders that can connect a radio or tape recorder.
Mini-hydro — damless type. Scale rotor blades — 1700 mm, width 800 mm, height -250 mm blades rotational speed of 14-16 rpm. The multiplier transmitting rotation from the rotor to the generator (tractor DT-54) — three-stage V-belt transmission with a total gear ratio i = 130. 220×8 transformer In a power of 250 watts.
A. POPKOV, item Psebay-1, Krasnodar Krai
Recommend to read
SCREW FROM THE NAIL
If it took a long screw thread M2—M6, and they are not (by the way, is not easy to find and sold out), it is easy to produce such a nail of suitable diameter, cut into the rod thread and...
CONTAINER VELOCIMETRY
Hobbyists and modelers know how hard it is without a special container to connect several dry cells "373" in the battery. Reliable and easy temporary container is obtained from the...
