TheSimonini Mini 4 is an Italianaircraft engine, designed and produced bySimonini Racing ofSan Dalmazio di Serramazzoni for use inultralight aircraft.^[1]

The Mini 4 is a single cylindertwo-stroke, air-cooled, petrol engine design, with a poly V beltreduction drive with reduction ratios of 2.56:1 and 2.78:1. It employscapacitor discharge ignitionelectronic ignition and produces 20 hp (15 kW) at 7200 rpm.^[1]

Data from World Directory of Leisure Aviation 2011-12^[1]

• Type: Single Twin cylinder, two stroke aircraft engine
• Bore: 61 mm (2.4 in)
• Stroke: 54 mm (2.1 in)
• Displacement: 160 cc (9.8 cu in)
• Length: 300 mm (11.8 in)
• Width: 400 mm (15.7 in)
• Height: 200 mm (7.9 in)
• Dry weight: 11 kg (24.3 lb)

• Fuel type: petrol
• Cooling system: air
• Reduction gear: poly V beltreduction drive, reduction ratios of 2.56:1 and 2.78:1

• Power output: 20 hp (15 kW) at 7200 rpm
• Compression ratio: 10:1

Related lists

• List of aircraft engines

• Official website

• Air-cooled aircraft piston engines
• Simonini aircraft engines
• Two-stroke aircraft piston engines

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