The Rotax 912S UL engine with maximum power of 73,5 kW when 5800 rpm and max. continuous power of 69 kW when 5500 rpm is used as towing drive unit. The aircraft is equipped with Fiti design Ecocompetition fix propeller of 3-blades with the diameter of 1,63m. As to assure more efficient engine cooling, the additional oil radiator including independent NACA inlet and oil circuit thermostat is installed.
PERFORMANCE
Take-off distance with glider aerotow of 750kg MTOW : 550 m
Altitude reached after 600m from start point : 15m
Maximum climbing rate with glider of 750kg MTOW : 1,75m/s
Optimum speed of aerotow (depending on glider type) : 100 - 120 km/h (55 - 65 kt)
Average fuel consumption in aerotow : 15 - 18 l/h
Maximum flight range in aerotow when max. fuel level of 70l : 450 km
Start and take-off distance of aerotow can be 15% longer in case of high grass on runway or rainy conditions.
Performances listed are considered when 750 kg of take-off weight. It may vary depending on flight performances and characteristics of towed glider.