Overall length : 986mm / 38.82 in Overall width (Landing strut) : 158mm / 6.22 in Overall height : 321mm / 12.64 in Unique control system allowing sub trim free adjustment(STF)Ample space for a high capacity batteryCarbon frame, tail boom, finsFBL rotor head with metal main blade gripsCarbon main rotor and tail rotor bladesMetal tail rotor grips with thrust bearingMain system components are pre-assembledLight weight and high rigidity frameFRP painted canopyShaft drive tailOverall length : 986mm / 38.82 inOverall width (Landing strut) : 158mm / 6.22 inOverall height : 321mm / 12.64 inGross weight : 2,300g / 5.07 lb or moreMain rotor diameter : 1,142mm / 44.96 inTail rotor diameter : 220mm / 8.66 inGear Ratio :13.64:1:4.26 (T11)12.5:1:4.26 (T12)ESC Spec.Weight (Without Connectors) : 105gContinuous Current : 75APeak Current : 90A (3sec.)Operating Voltage for Lipo cell : 3s to 6s LipoBEC : 5A / 6VSize : 80 x 36 x 21 mmMotor spec.Motor KV : 1750Magnet Poles : 8Shaft Diameter : 5mmOutside Diameter : 42.7mmBody Length : 50mmWeight : 205gMax Lipo Cell : 8sMax Continuous Current : 45AItems includedBrushless Motor : NHM-40-8P(KV1750)ESC : NHA-75-SB5(75A/BEC5A)Items needed to flyLithium-Polymer Battery (Li-Po) 6 Cell (22.2V) 2,600mAh-5,000mAhSize 46 x 60 x 160mm (maximum)Battery ConnectorsBattery ChargerTransmitter (140 CCPM capable) and receiverTriple Axis Gyro SystemMini Servo (Swash×3,Rudder×1)Tools Required For AssemblyHexagon driver 1.5mm (No.61401)2mm (No.61402)2.5mm (No.61403)Wrench:4.5mmPhillips screw drivers (#0,#1,#2)Rule: 15cm or longerCA GlueEpoxy glue (Hardening time; 30 Min. or More)Thrust bearing grease (No.61597)Sandpaper #300 to 400Universal Pitch Gauge (No.60326)Other general tools required for making a model

NEX E6-550 Assembly Kit w/Motor, ESC helicopter