shaft 24 and to which a ring of turbine blades 112 can be connected and disconnected by a conical friction clutch 114 connection and disconnection of the clutch 114 is accomplished by establishing a pressure differential on opposite sides of radial extension 110 in accordance with my u s pat no 3 831 463 another cone clutch 116 can be operated in a similar way for connecting the turbine shaft 24 to the rotatable casing 6 12a if the turbine shaft is connected to the casing and if the ring of turbine blades 112 is connected to the turbine shaft the whole blade system will rotate however due to the construction and form of the blade system according to the invention the ring of guide blades 16 will not rotate at the same speed or even practically the same speed as the pump blades or the turbine blades because even at much lower speeds it will not significantly agitate circulation of fluid through the blade system and therefore it will rotate at a considerably lower speed rotation of the ring of guide blades at such speeds reduces the wear on the free wheel and or relatively speaking allows the free wheel to operate under a higher connection force on the blocks in the free wheel which is highly desirable owing to the wide variation in oil viscosity and without causing wear thus the blade system of the invention has given the designer a wider scope for better design and at the same time reduced wear of the free wheel fig5 and 5a show the performance obtained for a high torque absorption transmission according to fig4 having a blade system according to the invention and with the ring of guide blades mounted on a one way free.