Model of a reaction turbine with speed and torque measurement; adjustable guide vanes Features - Francis turbine with visible operating area - closed water circuit and data processing software for use with the HM 450C trainer Learning objectives/experiments - determination of mechanical output - determination of efficiency - recording of characteristic curves - investigation of the influence of the guide vane position on the power output - velocity triangles Specification [1] recording the curves of a Francis turbine and investigating the influence of the guide vane position [2] transparent front panel for observing the operating area [3] adjustable guide vanes for setting different angles of attack [4] loading the turbine by use of the adjustable band brake [5] recording the torque via band brake and force sensor [6] pressure sensor at the turbine inlet [7] speed, torque and pressure displayed on the switch cabinet of HM 450C [8] water supply, flow rate measurement and data processing software via HM 450C