Three-blades composite propeller (carbon fiber fabric with epoxy resin). Anodized hardened aluminum alloys hub, direction of rotation reight, aeroelastic, adjustable at the ground. Diameter: 1 730 mm Power range: < 90 kW / 120 PS Nominal mode: 2 120 - 2 560 U/min Maximum mode: 3 000 U/minGewicht: 3,12 kg Momentum of inertia: 3 150 [kGcm2] Expedition with insurance: chose, please, the option YR-PE-SUP.