1、The waterproof level reaches IP68, and it can be used underwater for a long time, effectively protecting the motor from seawater corrosion. 2、The bearing is made of stainless steel, resistant to impact and corrosion, and effectively prolongs its service life. 3、There is connecting ring at the upper and lower positions of the magnet, which can be used to lock the magnet and prevent the magnet from falling. 4、The solder joints of the motor leads are potted inside the motor, which can meet the 200m suppression test. 5、The motor kit has strong power, high torsion and high‑speed operation, which is suitable for surfing boat underwater propulsion. Item Type: 65111 Motor Material: Japanese imported silicon steel sheet + stainless steel + copper Model: 65111 Motor Size: Approx. 65 x 111mm / 2.6 x 4.4in Propeller Size: Approx. 1 x 4.4 x 18.4cm / 0.4 x 1.7 x 7.2inMaximum Power: 3kw Continuous Power: 1.5kw Motor Stator Slot: 12 Shaft Diameter: Approx. 10mm / 0.4inNumber of Motor Poles: 6 Motor KV Value: 130KV Motor Wire: 12AWG Wire Maximum Voltage: 14S Maximum Current: 70A No-Load Current: 2.2A 10V Waterproof Rating: IP68 Weight: 1.4 kg / 3.1 lb(approx.) For surf boat underwater propeller Underwater propeller Fully waterproof motor Recommended for electric boat prototypes (airfoil, jet surfing, etc.) Comply with ROHS standard and CE and ROHS certification, including propeller The Thrust Under The Conditions Of Reaching This Voltage And Current is as follows: 48.5v 2.7A 5kg 48.5v 8.2A 10kg 48.5v 18.2A 15kg 48.5v 20A 17kg 48.5v 25A 19kg 48.5v 30A 21kg 48.5v 35A 23kg 48.5v 40A 24kg 48.5v 51A 27kg Propeller Fixing Method: 1. Pass the cornet cylindrical fitting through the round hole on the motor shaft 2. The propeller is installed on the motor and fitted with cornet cylindrical fittings 3. Pass the trombone fixing accessories through the round hole on the head of the propeller to complete the fixing 1 x 65111 Motor 1 x Propeller 1 x Screw 1 x Small Accessories