SOLO Aircraft Engine 2489 View larger

SOLO® Aircraft Engine 2489

Description of construction

  •   Twin-cylinder inline two-stroke engine
  •   Liquid cooling with belt driven waterpump
  •   Lubrication by fuel-oil mixture
  •   Two float carburetors with additional fuel pump
  •   Electronic high-voltage ignition
  •   Intake control with reed valve into the crankcase
  •   Crankshaft layout for belt transmission
  •   Electric starter 12 V, 400 W
  •   AC generator

Operational data and limitations

Take-off-speed, power30 kW (40 HP) at 5,900 1/min.
Max cont. speed, power30 kW (40 HP) at 5,900 1/min.
Recommended rpm6,500 1/min.
Idle rpm2,300 1/min.
Cylinder head temp.115 °C (240°F) measured in the cylinder - head
Fuel consumptionMax. continous power approx. 4.49 US gal./hr. (17 l/hr.)
75% continuous power approx 3.17 US gal/hr. (12 l/hr.)
Engine Displacement489 ccm, cyl. bore 72 mm, stroke 60 mm
Compression Ratio10 : 1
Ignition UnitElectronic high-voltage ignition (Selettra)
Ignition PlugsWSR 6 F
CarburetorBING carburetor type 54
Direction of rotationClockwise, seen in direction of flight
Fuel2-Stroke mix, AVGAS 100LL, premium gas (min. 95 ROZ)
MixtureMixture ratio 1 : 50 , 2-stroke Castrol mineral oil or synthetic oil, or other oils with specification according to JASO FC oder FD
Dry Weight30.0 kg
Generator12 V, 70 W

Summary Fuel and Oil

Summary Fuel and Oil for SOLO Aircraft Engines

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