The Firewall Forward CAM 125 is a 125 hp (93 kW) four-cylinder, four-stroke, liquid-cooled piston aircraft engine built by Firewall Forward Aero Engines.^[1] The engine is based on a Honda automotive piston engine.^[2]

Applications

• Europa XS

Specifications (CAM 125)

Data from World Directory of Leisure Aviation & Firewall Forward Aero Engines^[1][2]

General characteristics

• Type: Four-cylinder, four-stroke piston engine
• Bore: 75 mm (2.95 in)
• Stroke: 84.6 mm (3.33 in)
• Displacement: 1590 cm₃ (97 cu in)
• Length: 33.25 inches (845 mm)
• Width: 21.5 inches (550 mm)
• Height: 23 inches (580 mm)
• Dry weight: 247 pounds (112 kg)

Components

• Valvetrain: Overhead camshaft
• Fuel type: 90 Octane petrol or 100LL aviation petrol
• Cooling system: Uses a water-glycol mixture with a camshaft belt driven water pump.
• Reduction gear: 2.4:1 reduction ratio (6,000 rpm engine, 2,500 rpm propeller).
• Starting system Electric gear reduction starter.

Performance

• Power output: 93.2 kW (125 hp) at propeller flange
• Specific power: 130 kW/L (1.28 hp/cu in)
• Compression ratio: 9.2:1
• Specific fuel consumption: 0.43 lb/bhp/hr at 70% power