The technical components of the fish ascent screw
Fish ladder and attraction current
The fish transport is based on Archimedes’ principle: Fish are raised effortlessly upstream in the standing water of the screw chamber. special shape of the screw blades to create an optimised guiding current bottom connection for weak swimming fish such as the bullhead, for example.
If, due to the place of use, there is a need for a cover, then it can be realised using wood, glass, stone, concrete or other materials. The belt capstan and generator works are covered as a standard feature for safety and protection against external environmental influences. Generally, no complete covering of the system is necessary