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General engine description
- Twin - cylinder in line - 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
Download of technical drawing as pdf-file here.
| Technical data |
| Engine Displacement |
625 ccm, cyl. bore 76 mm, stroke 69 mm |
| Compression rartio |
9.5 : 1 |
| Ignition unit |
Electronic, two butterfly shutters, mapped |
| Ignition plugs |
BOSCH W5 AC Gap at electrodes 0.5 mm |
| Fuel injection |
Electronic, two butterfly shutters, mapped |
| 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 |
| Coolant |
Engine coolant (Glysantin BASF G48), tab water (0-20°dh) in a
mixture of 40:60 (27°C) |
| 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.) |
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