Tags: 580KV_4-6S_Outrunner_Brushless_Motor_Type_R4120 

Features:

●Special integrated bell design, high efficiency and more durable.
●Prop adapter is attached directly to the motor bell, never worry about bending the motor shaft any more.

Specifications:

Type: R4120
Weight:290g
No. of Cells: Ni-Mh 9-12, Lipo 4-6 cells
Current:8.2A/12.7A
KV:580
Max. efficiency:88%
Max. efficiency current:20 - 40 A (>81%)
No load current / 10 V: 2A
Current capacity:55 A/60 s
Internal Resistance:30 mΩ

Dimensions:D50xL43 mm ( length does not include prop shaft adapter )
Prop adapter diameter: 8 mm / 0.31 in

Recomended model weight:2000 - 4000 g
Recomended prop without gearbox:12 cells 13"x11", 14 cells 13"x8", 16 cells (5s Li-Poly) 12"x8