AXI 5330/24 Brushless Motor (M-MM533024) Suitable for large sailplanes weighing up to 10kg & sports / aerobatic models up to 7 Kg. Specification: Length: 64mm Diameter: 63mm Shaft Dia.: 8mm Weight: 652g Max. Burst Current: 58A / 30 seconds Resistance: 57m Ohm RPM / V: 197 Li-Po: 10S Ni Cad / Ni MH: 10-32 cells Max. Efficency: >85%