Coal-free electric motor (brushless) very high performance, special for helicopters category 550-600, produced by the first manufacturer of thermal engines in the world. Equipped with a reinforced external housing, mounted on large ball bearings with the original O.S. To deliver maximum power for a very long time thanks in particular to the use of very high quality materials and thanks to very high machining precision. It requires the use of a speed drive of 90A and a lipo battery of 6 elements. 6 -pole engine, KV: 1260. Carter diameter: 45mm. Carter length: 58mm. Axis diameter: 6mm. Axis length: 35mm. Weight: 344g. 4mm sockets. Food: 22.2V. STD intensity: 90A. Max intensity: 150A. Number of laps: 10.