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THE AERONAUTICAL ENGINE WITH THE BEST POWER / WEIGHT RATIO

Motor can be ordered with clockwise or anticlockwise rotation

MAX POWER 99.3 (135) @4700rpm
[kW (Hp)]
MAX TORQUE 213 (157.1) @3100rpm
[Nm (lb-ft)]
POWER/WEIGHT RATIO 1.56 (0.71)
[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]: 1800
Price
Accessories
data sheet
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Engine Data

Model/Code SPIRIT 135 PSRU / W019 (left rotation) – W020 (right rotation)
Type 4 cylinder boxer – 4 stroke fuel (Otto cycle)
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 749 x 419 (26.5 x 29.49 x 16.5)

Stroke X Bore [mm (in)]
81 x 93 (3.18 x 3.66)
Compression RateĀ 
10.3 Ć· 1
FuelĀ  Mo.GAS min. AKI 90, R.O.N. 95, M.O.N. 85, LL100
Cooling SystemĀ  Liquid with mechanical pump
Lubrication Semi-dry sump, pressure oil feed assisted with internal pump
Timing SystemĀ  2 valves per cylinder with O.H.C. (Over Head Camshaft)
Timing Driving SystemĀ  Gear + chain with automatic chain tensioner
Pre-installed Accessories (included in the weight) Engine wiring loom, voltage regulator, start relay, dampers, ignition coils, cooling expansion tank

Transmission

TypeĀ  Gearbox with helical gear (separate lubrication)
Transmission Ratio 1 Ć· 1.958
Max Propeller Speed [rpm] 2425
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, 300W (12.5V-24A)
Optional Generator 750W (12,5V -60A); 2250W (12,5V -90A); 2250W (25V – 180A)
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
CAN Data Transmission CAN Aerospace protocol
Max Power [kW (Hp)] 99.3 (135) @ 4700 rpm
Max Torque [Nm (lb-ft)] 213 (157.1) @ 3100 rpm
Max Continuous Power [kW (Hp)] 84.6 (115)
Max Engine Speed [rpm] 4750
Power/Weight [Hp/Kg (Hp/lb)] 1.56 (0.71)
Fuel Cons. [Kg/h (lb/h)] 12.7 (28) @ 75 Hp
TBO [h] 1800
Weight [Kg (lb)]
86.5 (190.7) dry (without accessories)
Dimension L x W x H [mm (in)]

673 x 749 x 419 (26.5 x 29.49 x 16.5)

Take off Consumption [Kg/h (lb/h)] 22.8 (50.3) @ 135 Hp
At Max Continuous Power [Kg/h (lb/h)] 19.6 (43.2) @ 115 Hp
At 75% [Kg/h (lb/h)] 17.4 (38.4) @ 101 Hp
At 65% [Kg/h (lb/h)] 14.7 (32.4) @ 88 Hp
At 55% [Kg/h (lb/h)] 12.6 (27.8) @ 74 Hp
Model/Codes
SPIRIT 135 PSRU / W015 (left rotation) – W016 (right rotation)
Type
4 cylinder boxer – 4 stroke fuel (Otto cycle)
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 749 x 419 (26.5 x 29.49 x 16.5)
Stroke X Bore [mm (in)]
81 x 93 (3.18 x 3.66)
Compression RateĀ 
10.3 Ć· 1
FuelĀ 
Mo.GAS min. AKI 90, R.O.N. 95, M.O.N. 85, LL100
Cooling SystemĀ 
Liquid with mechanical pump
Lubrication
Semi-dry sump, pressure oil feed assisted with internal pump
Timing SystemĀ 
2 valves per cylinder with O.H.C. (Over Head Camshaft)
Timing Driving SystemĀ 
Gear + chain with automatic chain tensioner
Pre-installed Accessories (included in the weight)
Engine wiring loom, voltage regulator, start relay, dampers, ignition coils, cooling expansion tank

Transmission

TypeĀ 
Gearbox with helical gear (separate lubrication)
Transmission Ratio
1 Ć· 1.958
Max Propeller Speed [rpm]
2425
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, 300W (12.5V-24A)
Optional Generator
750W (12,5V -60A); 2250W (12,5V -90A); 2250W (25V – 180A)
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
CAN Data Transmission
CAN Aerospace protocol
Max Power [kW (Hp)]
99.3 (135) @ 4700 rpm
Max Torque [Nm (lb-ft)]
213 (157.1) @ 3100 rpm
Max Continuous Power [kW (Hp)]
84.6 (115)
Max Engine Speed [rpm]
4750
Power/Weight [Hp/Kg (Hp/lb)]
1.56 (0.71)
Fuel Cons. [Kg/h (lb/h)]
12.7 (28) @ 75 Hp
TBO [h]
1800
Weight [Kg (lb)]
86.5 (190.7) dry (without accessories)
Dimension L x W x H [mm (in)]
673 x 749 x 419 (26.5 x 29.49 x 16.5)
At Take Off [Kg/h (lb/h)]
22.8 (50.3) @ 135 Hp
At Max Continuous Power [Kg/h (lb/h)]
19.6 (43.2) @ 115 Hp
At 75% [Kg/h (lb/h)]
17.4 (38.4) @ 101 Hp
At 65% [Kg/h (lb/h)]
14.7 (32.4) @ 88 Hp
At 55% [Kg/h (lb/h)]
12.6 (27.8) @ 74 Hp