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SOLO® Aircraft Engine 2625 02 i
Description of construction
- Twin-cylinder inline two-stroke engine
- Liquid cooling
- Lubrication by fuel-oil mixture
- Electronic fuel injection
- Dual electronic high-voltage ignition
- Redundancy system
- Crankshaft layout for belt transmission
- AC generator
Operational data and limitations
| Take-off-speed, power | 6,600 1/min. at a power of 50 kW (68 HP) |
| Max cont. speed, power | 6,600 1/min. at a power of 50 kW (68 HP) |
| Max rpm | 6,700 1/min |
| Cut off speed by CPU | 6,700 1/min. |
| Idle rpm | approx. 2,300 1/min |
| Max temp. cooling liquid | 115 °C (240°F) measured in the cylinder - head |
| Fuel consumption | Max. continous power approx. 6.47 US gal./hr. (24.5 l/hr.) |
| Engine Displacement | 625 ccm, cyl. bore 76 mm, stroke 69 mm |
| Compression Ratio | 9,5 : 1 |
| Ignition Unit | Electronic, two butterfly shutters, mapped |
| Ignition Plugs | BOSCH W5 AC Gap at electrodes 0.5 mm |
| Direction of rotation | Clockwise, seen in direction of flight |
| Fuel | 2-Stroke mix, AVGAS 100LL, premium gas (min. 95 ROZ) |
| Mixture | Mixture ratio 1 : 50 , 2-stroke Castrol mineral oil or synthetic oil, or other oils with specification according to JASO FC oder FD |
| Dry Weight | approx. 24 kg without exhaust (according to airframe manufacturer) |
| Generator | 12 V, 500 W |
| Fuel injection | Electronic, two butterfly shutters, mapped |
| Coolant | Engine coolant (Glysantin BASF G48), tab water (0-20°dh) in a mixture of 40:60 (27°C) |
AIRWORTHINESS DIRECTIVE
EASA AD 214-0269 (11.12.14) Change of the redundancy system
Download (211.34k)TM 4600-3
Subjekt Change of the engine 2 625 02 from the version with carburettors to the version with electronic engine management for fuel injection and ignition. Change of the type to 2 625 02 i with new serial number consisting of the present number plus the number of the changed engine.
Download (1.26M)TM 4600 – 6
SOLO 262502i with electronic fuel injection Subjekt Change of the ignition mapping
Download (314.2k)TM 4600-8
a) Change of the material of the connecting strips from Aluminium to CFK-composite. b) Alternative use of a different throttle position sensor.
Download (373.27k)TM 4600-9.pdf
Introduction of a new throttle body assembly for SOLO 262501i and SOLO 262502i
Download (790.89k)Airworthiness Directive
Airworthiness Directive ATA 73 – Engine Fuel & Control – Fuel Injection System Control Unit – Modification / Software Update
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SOLO 262502i with electronic fuel injection Subjekt: ECU-Firmware update.
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