The Hexadyne P60 is an American aircraft engine, designed and produced by Hexatron Engineering of Salt Lake City, Utah for use in ultralight and homebuilt aircraft.^[1]

Design and development

The engine is a twin cylinder four-stroke, horizontally-opposed, 800 cc (48.8 cu in), air-cooled, gasoline engine design, with a mechanical gearbox spur gear reduction drive with a reduction ratio of 2.5:1. It employs electronic ignition and produces 60 hp (45 kW) continuous at 5750 rpm. The engine management system is a six-sensor computer and the engine is optimized to drive a 68 to 70 in (173 to 178 cm) propeller.^[1][2]

The engine was initially displayed at AirVenture, Oshkosh, Wisconsin in 2001.^[2]

Applications

• Blue Yonder Merlin^[3]

Specifications (Hexadyne P60)

Data from World Directory of Leisure Aviation 2011-12^[1] and manufacturer^[2]

General characteristics

• Type: Twin cylinder, four-stroke aircraft engine
• Bore: 92 mm (3.6 in)
• Displacement: 800 cc (48.8 cu in)
• Length: 596 mm (23.5 in)
• Width: 406 mm (16.0 in)
• Height: 450 mm (17.7 in)
• Dry weight: 45 kg (99.2 lb)

Components

• Fuel system: fuel injection
• Fuel type: gasoline
• Cooling system: air
• Reduction gear: mechanical gearbox spur gear reduction drive, reduction ratio of 2.5:1

Performance

• Power output: 60 hp (45 kW) at 5750 rpm
• Compression ratio: 9.0:1
• Fuel consumption: 3 U.S. gallons (11 L; 2.5 imp gal) per hour