HomeProductsMF Serie Engines MF Engines The MF series engines are characterized by their high efficiency. The extremely low vibration reduces fatigue and ensures a long service life. For UAVs < 25 kg. E-34 For UAVs 20 – 55 kg. E-68i2 For UAVs 50 – 100 kg. E-105i2 For UAVs 50 – 150 kg. E-160i2