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SOLO Aircraft Engine 2489

 

 

General engine description
- Twin - cylinder in line - 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

Technical data
Engine Displacement 430 ccm, cyl. bore 72 mm, stroke 60 mm
Compression rartio 10 : 1
Ignition unit Electronic high-voltage ignition (Selettra)
Ignition plugs WSR 6 F
Carburetor BING carburetor type 54
Direction of rotation Clockwise, seen in direction of flight
Fuel 2-Stroke mix, AVGAS 100LL, premium gas (min. 95 ROZ)
Mixture Mixture ratio 1 : 40 , 2-stroke Castrol mineral oil or synthetic oil, or other oils with specification according to JASO FC oder FD
Dry Weight Approx. 30.0 kg
Generator 12 V, 70 W

 

Operational data and limitations
Take-off-speed, power 30 kW (40 HP) at 5,900 1/min.
Max. cont. speed, power 30 kW (40 HP) at 5,900 1/min.
Recommended rpm 6,500 1/min.
Idle rpm 2,300 1/min.
Max. temp. cooling liquid 115 °C (240°F) measured in the cylinder - head
Fuel consumption Max. continous power approx. 4.49 US gal./hr. (17 l/hr.)
75% continuous power approx 3.17 US gal/hr. (12 l/hr.)