Test stand for single-cylinder engines, 7,5kW Control and load unit, supply with fuel and air; measurement of characteristic engine data Features - control and load unit for single-cylinder internal combustion engines up to 7,5kW - asynchronous motor used as load unit, also as starter motor - vibration-insulated base plate for engine mounting Learning objectives/experiments - in conjunction with an engine (CT 100.20 - CT 100.23) -- plotting of torque and power curves -- determination of specific fuel consumption -- determination of volumetric efficiency and lambda (fuel-air ratio) -- determination of the frictional power of the engine (in passive mode) Specification [1] control and load unit for prepared single-cylinder engines (two-stroke and four-stroke) with a maximum power output of 7,5kW [2] asynchronous motor with energy recovery unit as brake generates engine load [3] engine started and experiments in passive mode by asynchronous motor [4] force transmission from engine to brake via elastic claw coupling [5] vibration-insulated base plate for engine mounting [6] stabilisation tank for intake air [7] potentiometer for continuous adjustment of braking torque [8] potentiometer for continuous adjustment of braking speed [9] measurement and display of torque, air temperature, air intake quantity, negative intake pressure, speed, fuel consumption, fuel temperature [10] measured value displays for engine: exhaust gas temperature and cooling water temperatures [11] GUNT software for data acquisition via USB under Windows 10 Technical data Asynchronous motor as brake - power output: approx. 7,5kW at 2900min-1 Measuring ranges - torque: -50...50Nm - temperature: 0...900°C - speed: 0...5000min-1 - fuel consumption: 50cm3/min - engine intake pressure: -400...0mbar - air consumption: 0...690L/h 400V, 50Hz, 3 phases 400V, 60Hz, 3 phases, 230V, 60Hz, 3 phases UL/CSA optional LxWxH: 1450x850x1880mm Weight: approx. 245kg