The turbine is designed as a displacement pump, with the running rotor directly coupled with the generator. At the inside is water. The materials used, are seawaterresistant. The bearings are ceramic bearings
The turbine housing Ceramic bearing
Ones assembled the turbine is going to be tested. Although specified for an efficiency of more than 92%, the reality will show what it is capable off. In this test all control aspects are being tested as well.
A drawing of the test setup for the bearing.