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THE AERONAUTICAL ENGINE WITH THE BEST POWER / WEIGHT RATIO

Motor can be ordered with clockwise or anticlockwise rotation

POWER / WEIGHT RATIO [Hp/Kg (Hp/lbs)] 1.55 (0.70)
MAXIMUM POWER [Nm (Ft-lbs)] 217.5 (160.4) @ 4000rpm
MAXIMUM TORQUE [Hp (kW)] 122.2 (91.1) @ 4000rpm
  • Type 4-cylinder boxer
  • Dimensions L x W x H [mm (in)] 672 x 762 x 419 (26.46 x 30 x 16.5)
  • Fuel Mo.GAS min. AKI 90, R.O.N. 95, M.O.N. 85, LL100
  • Cooling System Liquid cooled with a mechanical pump
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Engine Data

Model SPIRIT 122 GEARED R/L
Type 4 cylinder boxer
Displacement [cm3 (in3)] 2201 (134)
Weight [Kg (lbs)] 79 (174) dry (without accessories)
Dimension L x W x H [mm (in)] 672 x 762 x 419 (26.46 x 30 x 16.5)
Stroke X Bore [mm (in)] 81 x 93 (3.18 x 3.66)
Compression Rate  10.3 ÷ 1
Thermodynamic Cycle  4 stroke fuel (Otto cycle)
Fuel  Mo.GAS min. AKI 90, R.O.N. 95, M.O.N. 85, LL100
Cooling System  Liquid with mechanical pump
Lubrication Semi-dry sump, pressure oil feed assisted with internal pump
Timing System  2 valves per cylinder with S.O.H.C. (Single Over Head Camshaft)
Timing Driving System  Gear + chain with automatic chain tensioner

Transmission

Type  Gearbox with helical gear (separate lubrication)
Transmission Ratio 1 ÷ 1.732
Max Propeller Speed [rpm] 2400
Propeller Rotation Right (R) or Left (L)
Damper Elasto-dissipative with Active Damping Control (A.D.C.)
Optional Integrated constant speed hydraulic governor

ELECTRIC DATA

Generator Permanent magnet, oil cooled, 260W (12.5V-21A)
Starter Electric 0.65kW with anti-kickback clutch
F.R.I.S. (Full Rendundancy
Injection System)		 ECU with dual injection and ignition; altitude and temperature compensation; Limp Home strategy

Performance

Max Power [Hp (kW)] 122.2 (91.1) @ 4050 rpm
Max Torque [Nm (Ft-lb)] 217.5 (160.4) @ 4000 rpm
Max Continuous Power [Hp (kW)] 110 (82) @ 4000 rpm
Max Engine Speed [rpm] 4200
Power/Weight [Hp/Kg (Hp/lbs)] 1.55 (0.70)
Fuel Cons. [L/h (USgal/h)] 18.5 (4.9) @ 75 Hp
TBO [h] 2000

DIMENSIONS AND WEIGHT

Weight [Kg (lbs)]

79 (174) dry (without accessories)
Dimension L x W x H [mm (in)]

672 x 762 x 419 (26.46 x 30 x 16.5)

Fuel Consumption

Fuel Cons. [L/h (USG/h)]

18.5 (4.9) @ 75Hp

Engine Data

Model
SPIRIT 122 GEARED R/L
Type
4 cylinder boxer
Displacement [cm3 (in3)]
2201 (134)
Weight [Kg (lbs)]
79 (174) dry (without accessories)
Dimension L x W x H [mm (in)]
672 x 762 x 419 (26.46 x 30 x 16.5)
Stroke X Bore [mm (in)]
81 x 93 (3.18 x 3.66)
Compression Rate 
10.3 ÷ 1
Thermodynamic Cycle 
4 stroke fuel (Otto cycle)
Fuel 
Mo.GAS min. AKI 90, R.O.N. 95, M.O.N. 85, LL100
Cooling System 
Liquid with mechanical pump
Lubrication
Semi-dry sump, pressure oil feed assisted with internal pump
Timing System 
2 valves per cylinder with S.O.H.C. (Single Over Head Camshaft)
Timing Driving System 
Gear + chain with automatic chain tensioner

Transmission

Type 
Gearbox with helical gear (separate lubrication)
Transmission Ratio
1 ÷ 1.732
Max Propeller Speed [rpm]
2400
Propeller Rotation
Right (R) or Left (L)
Damper
Elasto-dissipative with Active Damping Control (A.D.C.)
Optional
Integrated constant speed hydraulic governor

ELECTRIC

Generator
Permanent magnet, oil cooled, 260W (12.5V-21A)
Starter
Electric 0.65kW with anti-kickback clutch
F.R.I.S. (Full Rendundancy
Injection System)
ECU with dual injection and ignition; altitude and temperature compensation; Limp Home strategy

Performance

Max Power [Hp (kW)]
122.2 (91.1) @ 4050 rpm
Max Torque [Nm (Ft-lb)]
217.5 (160.4) @ 4000 rpm
Max Continuous Power [Hp (kW)]
110 (82) @ 4000 rpm
Max Engine Speed [rpm]
4200
Power/Weight [Hp/Kg (Hp/lbs)]
1.55 (0.70)
Fuel Cons. [L/h (USgal/h)]
18.5 (4.9) @ 75 Hp
TBO [h]
2000

DIMENSIONS AND WEIGHT

Weight [Kg (lbs)]
79 (174) dry (without accessories)
Dimension L x W x H [mm (in)]
672 x 762 x 419 (26.46 x 30 x 16.5)

Fuel Consumption

Fuel Cons. [L/h (USG/h)]
18.5 (4.9) @ 75Hp