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Energy Systems and Design has introduced a new type of nozzle for its hydro-electric generators. This makes it possible to create any size nozzle jet that might be required by simply cutting the nozzle to the appropriate length. Cutting can be done with a hacksaw, or any other fine toothed saw. The end of the nozzle should then be finished with a piece of sandpaper. This is best done by placing the sandpaper on a flat surface and moving the nozzle against it. Markings are on the nozzle to assist in cutting to the correct size. The numbers are in millimeters and correspond to inches as follows:
Odd sizes can also be produced. The opening of the nozzle is about 6% larger than the actual jet of water that exits from it. Another possibility is to keep making the opening larger until the desired flow is obtained. An o-ring is provided in order to seal the face. This prevents water leaks to the outside of the machine. For the smallest nozzle sizes, the nozzle may have to be installed with the numbered side facing upward, so that the end will not contact the turbine wheel.
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