Hobbywing Seaking 2848-3900KV Sensorless Brushless Marine Motor
This is a sensorless high revving brushless motor for small to medium sized race boats on 2-3S LiPo.
Specs:
Type: Marine, Sensorless, Brushless
Water Cooled: Yes
Water Cooling Nipples: 4mm
Case Diameter: 28mm
Case Length: 48mm
Poles: 2
KV: 3900
Cells: 2-3S LiPo
Max Volt: 12.6
Max Current: 41A
No Load Current @ 7.4V: 2.4A
Input Connectors: 3.5mm Bullet
Ballbearings: 2
Output Shaft Diameter: 3.17mm (1/8")
Output Shaft Length: 13.2mm
Weight: 155g