Automotive Single Cylinder Petrol Engine with Variable Compression Ratio Model AM 133
Automotive Single Cylinder Petrol Engine with Variable Compression Ratio Model AM 133
The air-cooled single-cylinder four-stroke petrol engine is identical in design to the four cylinder engine. A modified cylinder head permits additional experiments with various combustion chamber inserts. To adjust the mixture composition, the carburetor was modified. Sci-tech AM 133 is fitted with a special device to adjust the ignition timing – from advanced to retarded.
The engine includes a sensor to measure the exhaust gas temperature. The sensor, ignition cut-off and fuel supply are connected to the AM501 test stand.
Item Description
[1] air-cooled single-cylinder four-stroke petrol engine for installation in the AM 501 test stand
[2] 5 variable compression ratios, adjustable by varying the combustion chamber geometry
[3] adjustable ignition point
[4] mixture composition adjustable
[5] engine mounted on vibration-insulated base plate
[6] force transmission to brake via pulley
[7] engine complete with fuel hose and exhaust gas temperature sensor
[8] fuel hose with self-sealing quick-release coupling
Technical Specifications
Air-cooled single-cylinder petrol engine
– power output: 1,2kW at 3200min-1
– bore: 65,1mm
– stroke: 44,4mm
– compression ratios: 1:10; 1:8,5; 1:7 (original
compression ratio), 1:5,5; 1:4
– ignition timing adjustable in 11 stages:
10° after TDC to 40° before TDC
Belt pulley: diameter=125mm
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