Max Efficiency: 80%
Max Efficiency Current: 4-10A (>75%)
Current Capacity: 12A/ 60s
No Load Current @ 10V: 0.5A
No. Of Cells: 2-3 Li-Poly
Motor Dimensions: Φ27.5* 30mm
Shaft Diameter: Φ3.17mm
30A brushless ESC:
Output: Continuous 30A, Burst 40A up to 10 Secs.
Input Voltage: 2-4 cells lithium battery or 5-12 cells NiCd/NIMh battery.
BEC: 2A / 5V (Linear mode).
Max Speed: 210,000rpm for 2 Poles BLM, 70,000rpm for 6 poles BLM, 35,000rpm for 12 poles BLM. (BLM: BrushLess Motor)
Diameter of Shaft: 6.0mm
Adjustable by hole adapter (3mm, 3.2mm, 4mm, 5mm, 6mm, 6.35mm, 7.95mm)
Thickness of center: 9.7mm
Weight: 15 gram/ pair
Recommended wheelbase: 550mm - 700mm
KK2.1.5 KK21EVO Flight Controller Board S.BUS DSM2 w/ LCD Second MPU Atmega324 InvenSense Inc
The 2.1.5 is functionally the same as the 2.1.
Some minor changes have been made to the board including:
More Silk screening has been added to delineate pola