Tags: 660KV_4-6S_Outrunner_Brushless_Motor_Type_A4120 

Specifications:

Weight:309g
No. of Cells: Ni-Mh 9-12, Lipo 4-6 cells
Current:8.2A/12.7A
KV:660
Max. efficiency:85%
Max. efficiency current:20 - 40 A (>81%)
No load current / 10 V: 2A
Current capacity:55 A/60 s
Internal Resistance:41 mΩ
Dimensions:50x55 mm
Motor shaft diameter: 6 mm /0.23 in
Prop adaptor diameter: 7 mm / 0.28 in
Mounting holes spacing(on the same side): 21.5 mm / 0.85 in


Recomended model weight:2000 - 3500 g
Recomended prop without gearbox:12 cells 13"x11", 14 cells 13"x8", 16 cells (5s Li-Poly) 12"x8