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THE AERONAUTICAL ENGINE WITH THE BEST POWER / WEIGHT RATIO

Motor can be ordered with clockwise or anticlockwise rotation

MAX POWER 84.6 (115) @3400rpm
[kW (Hp)]
MAX TORQUE 253 (187) @2500rpm
[Nm (lb-ft)]
POWER/WEIGHT RATIO 1.42 (0.65)
[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]: 2200
Price
Accessories
data sheet
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Model
SPIRIT 115 DIRECT R/L
Type
4 cylinder boxer
Displacement [cm3 (in3)]
2545 (155)
Weight [Kg (lb)]
81 (178) dry (without accessories)
Dimension L x W x H [mm (in)]
590 x 762 x 419 (23.23 x 30 x 16.5)
Stroke X Bore [mm (in)]
81 x 100 (3.18 x 3.93)
Compression Rate 
10.1 ÷ 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 
Direct drive
Transmission Ratio
1 ÷ 1
Max Propeller Speed [rpm]
3500
Propeller Rotation
Right (R) or Left (L)
Damper
Active Damping Control (A.D.C.)

ELECTRIC DATA

Generator
Permanent magnet, oil cooled, 225W (12.5V-18A)
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)]
84.6 (115) @ 3400 rpm
Max Torque [Nm (lb-ft)]
253 (187) @ 2500 rpm
Max Continuous Power [Hp (kW)]
84.6 (115) @ 3400 rpm
Max Engine Speed [rpm]
3500
Power/Weight [Hp/Kg (Hp/lb)]
1.42 (0.65)
Fuel Cons. [Kg/h (lb/h)]
13.3 (29.3) @ 75 Hp
TBO [h]
2200
Weight [Kg (lb)]
81 (178) dry (without accessories)
Dimension L x W x H [mm (in)]
590 x 762 x 419 (23.23 x 30 x 16.5)
At Take Off [Kg/h (lb/h)]
19.2 (42.3) @ 115 Hp
At Max Continuous Power [Kg/h (lb/h)]
19.2 (42.3) @ 115 Hp
At 75% [Kg/h (lb/h)]
15.2 (33.5) @ 86 Hp
At 65% [Kg/h (lb/h)]
13.3 (29.3) @ 75 Hp
At 55% [Kg/h (lb/h)]
12.3 (27.1) @ 63 Hp

Engine Data

Model SPIRIT 115 DIRECT R/L
Type 4 cylinder boxer
Displacement [cm3 (in3)] 2545 (155)
Weight [Kg (lb)] 81 (178) dry (without accessories)
Dimension L x W x H [mm (in)] 590 x 762 x 419 (23.23 x 30 x 16.5)
Stroke X Bore [mm (in)] 81 x 100 (3.18 x 3.93)
Compression Rate  10.1 ÷ 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  Direct drive
Transmission Ratio 1 ÷ 1
Max Propeller Speed [rpm] 3500
Propeller Rotation Right (R) or Left (L)
Damper Active Damping Control (A.D.C.)

ELECTRIC DATA

Generator Permanent magnet, oil cooled, 225W (12.5V-18A)
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)] 84.6 (115) @ 3400 rpm
Max Torque [Nm (lb-ft)] 253 (187) @ 2500 rpm
Max Continuous Power [kW (Hp)] 84.6 (115) @ 3400 rpm
Max Engine Speed [rpm] 3500
Power/Weight [Hp/Kg (Hp/lb)] 1.42 (0.65)
Fuel Cons. [Kg/h (lb/h)] 13.3 (29.3) @ 75 Hp
TBO [h] 2200

Weight [Kg (lb)]
81 (178) dry (without accessories)
Dimension L x W x H [mm (in)]
590 x 762 x 419 (23.23 x 30 x 16.5)
At Take Off [Kg/h (lb/h)]  19.2 (42.3) @ 115 Hp
At Max Continuous Power [Kg/h (lb/h)]    19.2 (42.3) @ 115 Hp
At 75% [Kg/h (lb/h)] 15.2 (33.5) @ 86 Hp
At 65% [Kg/h (lb/h)]            13.3 (29.3) @ 75 Hp
At 55% [Kg/h (lb/h)]  12.3 (27.1) @ 63 Hp