The Hirth 3002 is a German aircraft engine, that was designed and produced by Hirth of Benningen for use in ultralight aircraft.^[1]

By March 2018, the engine was no longer advertised on the company website and seems to be out of production.^[2]

Design and development

The Hirth 3002 is a four-cylinder, two-stroke, horizontally-opposed, 1,042 cc (63.6 cu in) displacement, fan-forced air-cooled, petrol engine design, with a mechanical gearbox reduction drive with reduction ratios from 2.03 to 3.79:1. It employs dual capacitor discharge ignition and produces 83 hp (62 kW) at 6000 rpm.^[1]

Specifications (Hirth 3002 E)

Data from Tacke^[1]

General characteristics

• Type: Four cylinder, two stroke aircraft engine
• Bore: 72 mm (2.8 in)
• Stroke: 64 mm (2.5 in)
• Displacement: 1,042 cc (63.6 cu in)
• Length: 380 mm (15.0 in)
• Width: 570 mm (22.4 in)
• Height: 338 mm (13.3 in)
• Dry weight: 42 kg (92.6 lb)

Components

• Fuel type: petrol
• Cooling system: fan-forced air
• Reduction gear: mechanical gearbox

Performance

• Power output: 83 hp (62 kW)