Load unit, 75kW, for four-cylinder engines Load unit with air-cooled eddy-current brake and instruments Features - control and load unit for four-cylinder diesel and petrol engines up to 75kW - air-cooled eddy current brake with precise torque adjustment for use as load unit for engine - easy connection of engine - complete test stand setup in conjunction with an engine Learning objectives/experiments - in conjunction with an engine (CT 400.01 / CT 400.02) -- plotting of torque and power curves -- determination of specific fuel consumption -- determination of volumetric efficiency and lambda (fuel-air ratio) -- energy balances -- overall engine efficiency Specification [1] load unit for prepared four-stroke diesel or petrol engines (CT 400.01 and CT 400.02) with a maximum power output of 75kW [2] air-cooled eddy current brake [3] force transmission from engine to brake via rotationally elastic coupling and jointed shaft [4] stabilisation tank for intake air approx. 220L [5] 2 modes of operation: 1. torque directly adjustable (full load characteristic), 2. torque is adjustable by speed, speed remains constant (partial load characteristic) [6] potentiometer for continuous adjustment of brake [7] potentiometer to "accelerate" engine [8] recording of braking power via speed and braking torque [9] measurement and display of engine load, air temperature, intake air consumption, speed [10] measured value displays for engine: temperatures (oil, exhaust gas, cooling water, fuel), oil pressure, fuel consumption (using precision scale) [11] GUNT software for data acquisition via USB under Windows 10 Technical data Eddy current brake - max. braking torque: 200Nm - max. speed: 5000min-1 Measuring ranges - speed: 0...6000min-1 - torque: 0...240Nm - volumetric flow rate: -- 0...6m3/min (intake air) -- 0...50L/min (cooling water) - temperature: -- -50...200°C -- 0...1200°C (exhaust gas) 230V, 50Hz, 1 phase 230V, 60Hz, 1 phase 120V, 60Hz, 1 phase UL/CSA optional LxWxH: 1380x950x1920mm Weight: approx. 446kg