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THE AERONAUTICAL ENGINE WITH THE BEST POWER / WEIGHT RATIO

Motor can be ordered with clockwise or anticlockwise rotation

MAX POWER 89.7 (122) @4200rpm
[kW (Hp)]
MAX TORQUE 213 (157.1) @3100rpm
[Nm (lb-ft)]
POWER/WEIGHT RATIO 1.41 (0.64)
[Hp/Kg (Hp/lb)]
  • Type: 4-cylinder boxer
  • Fuel: Mo.GAS min. AKI 90, R.O.N. 95, M.O.N. 85, LL100
  • Cooling System: liquid cooled with mechanical pump
  • Engine Control: double injection and ignition system
  • T.B.O. [h]: 2000
Price
Accessories
data sheet
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Engine Data

Model SPIRIT 122 GEARED R/L
Type 4 cylinder boxer
Displacement [cm3 (in3)] 2201 (134)
Weight [Kg (lbs)] 86.5 (190.7) dry (without accessories)
Dimension L x W x H [mm (in)] 673 x 762 x 419 (26.5 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] 2450
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
Max Power [kW (Hp)] 89.7 (122) @ 4200 rpm
Max Torque [Nm (lb-ft)] 213 (157.1) @ 3100 rpm
Max Continuous Power [kW (Hp)] 80.9 (110)
Max Engine Speed [rpm] 4250
Power/Weight [Hp/Kg (Hp/lb)] 1.41 (0.64)
Fuel Cons. [Kg/h (lb/h)] 12.6 (27.7) @ 75 Hp
TBO [h] 2000
Weight [Kg (lbs)]
86.5 (190.7) dry (without accessories)
Dimension L x W x H [mm (in)]
673 x 762 x 419 (26.5 x 30 x 16.5)
Take off Consumption [Kg/h (lb/h)] 20.9 (46.1) @ 122 Cv
At Max Continuous Power [Kg/h (lb/h)] 18.3 (40.3) @ 110 Cv
At 75% [Kg/h (lb/h)] 14.9 (32.8) @ 91.5 Cv
At 65% [Kg/h (lb/h)] 13.2 (29.1) @ 79 Cv
At 55% [Kg/h (lb/h)] 11.5 (25.3) @ 67 Cv

Model
SPIRIT 122 GEARED R/L
Type
4 cylinder boxer
Displacement [cm3 (in3)]
2201 (134)
Weight [Kg (lbs)]
86.5 (190.7) dry (without accessories)
Dimension L x W x H [mm (in)]
673 x 762 x 419 (26.5 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]
2450
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
Max Power [kW (Hp)]
89.7 (122) @ 4200 rpm
Max Torque [Nm (lb-ft)]
213 (157.1) @ 3100 rpm
Max Continuous Power [Hp (kW)]
80.9 (110)
Max Engine Speed [rpm]
4250
Power/Weight [Hp/Kg (Hp/lb)]
1.41 (0.64)
Fuel Cons. [Kg/h (lb/h)]
12.6 (27.7) @ 75 Hp
TBO [h]
2000
Weight [Kg (lbs)]
86.5 (190.7) dry (without accessories)
Dimension L x W x H [mm (in)]
673 x 762 x 419 (26.5 x 30 x 16.5)
At Take Off [Kg/h (lb/h)]
20.9 (46.1) @ 115 Hp
At Max Continuous Power [Kg/h (lb/h)]
18.3 (40.3) @ 110 Hp
At 75% [Kg/h (lb/h)]
14.9 (32.8) @ 91.5 Hp
At 65% [Kg/h (lb/h)]
13.2 (29.1) @ 79 Hp
At 55% [Kg/h (lb/h)]
11.5 (25.3) @ 67 Hp