Spirit 122 Geared Skyline Aeronautical Engine By MWfly

Spirit 122 Geared Skyline Aeronautical Engine

4 cylinder boxer, gearbox with helical gear (separate lubrication), low fuel consumption, electric 0.65kW starter with anti-kickback clutch, motor can be ordered with clockwise or anticlockwise rotation.

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Description

Engine Data
Model – SPIRIT 122 GEARED R/L
Type – 4 cylinder boxer
Displacement [cm3 (in3)] – 2201 (134)
Weight [Kg (lbs)] – 85 (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, 300W (12.5V-24A)
Starter – Electric 0.65kW with anti-kickback clutch
F.R.I.S. (Full Redundancy Injection System) – ECU with dual injection & ignition; altitude & temperature compensation; Limp Home strategy

Performance
Max Power [Hp (kW)] – 122 (89.7) @ 4200 rpm
Max Torque [Nm (Ft-lb)] – 210 (155) @ 4000 rpm
Max Continuous Power [Hp (kW)] – 110 (80.9)
Max Engine Speed [rpm] – 4250
Power/Weight [Hp/Kg (Hp/lbs)] – 1.41 (0.64)
Fuel Cons. [L/h (USgal/h)] – 18.5 (4.9) @ 75 Hp
TBO [h] – 2000

Accessories
EX-m – EXhaust module
The kit includes:
stainless steel muffler
4 exhaust stainless steel manifolds
6 fixing springs
4 gaskets
corresponding mounting hardware
Can be fitted on all engine versions, tractor or pushing configuration
Total weight 5850 grams