General characteristics

• Type: 4-cylinder air-cooled inverted in-line aircraft piston engine
• Bore: 102 mm (4.02 in)
• Stroke: 110 mm (4.33 in)
• Displacement: 3.596 L (219.4 cu in)
• Length: 840 millimetres (33.1 in)
• Width: 390 mm (15.4 in)
• Height: 722 mm (28.4 in)
• Dry weight: 91 kg (201 lb) dry, unequipped

97 kg (214 lb) wet, equipped

Components

• Valvetrain: 1x intake and 1x exhaust under-head valves per cylinder actuated pushrods and rockers
• Fuel system: SUM IFH 36 Nr.552 carburetor
• Fuel type: 74 octane gasoline
• Oil system: Dry sump with one pressure and two scavenge pumps
• Cooling system: air-cooled

Performance

• Power output:
  

• 80 PS (79 hp; 59 kW) at 2,400 rpm (5 minutes) at sea level
• 72 PS (71 hp; 53 kW) at 2,320 rpm (max. continuous) at sea level
• 66 PS (65 hp; 49 kW) at 2,240 rpm (cruise) at sea level

• Specific power: 22.25 PS/L (0.36 hp/cu in; 16.36 kW/L)
• Compression ratio: 5.8:1
• Specific fuel consumption: 0.23 kg/PSh (0.514 lb/(hp⋅h); 0.313 kg/kWh) at max continuous
• Oil consumption: 0.015 kg/PSh (0.034 lb/(hp⋅h); 0.020 kg/kWh) at max continuous
• Power-to-weight ratio: 0.893 PS/kg (0.400 hp/lb; 0.657 kW/kg)
• B.M.E.P.: 8.35 atm (8.46 bar; 122.7 psi)