HobbyStar 4074 4-Pole Waterproof Brushless Sensorless Motor for Boats
$49.99
Unit price perHobbyStar boat motors are engineered to provide maximum power and cooling for your RC watercraft. Open endbells radiate heat away from the motor, and cooling jackets are available separately for all motors. Motor leads come with pre-installed 4.0mm gold-plated bullet plugs for easy, no-soldering connection and a wide variety of KV's ensure a dialed setup for your application.
Features:
- 4-pole motor with 12-slot high-torque design
- CNC Machined 6061 T6 Billet Aluminum Can
- High-purity copper windings maximize efficiency
- High-RPM ABEC5 oversized bearings
- Precision balanced rotor for smooth operation and maximum RPM
- Super-thin (0.2mm) stator laminations
Specifications for all variants:
| KV (RPM/Volt) | Max Amps | Max Voltage | Max Power | Weight(g) | Length(mm) | Diameter(mm) | Winding Type | Turns | No-load Current | Max RPM | Shaft Diameter (mm) | Shaft Length (mm) | Rotor Poles |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1350 | 63 | 44 | 2800 | 350 | 74 | 40 | Wye | 3.5Y | 1.3A | 60K | 5 | 17 | 4 |
| 1550 | 73 | 38 | 2800 | 350 | 74 | 40 | Wye | 3Y | 1.8A | 60K | 5 | 17 | 4 |
| 1700 | 80 | 35 | 2800 | 350 | 74 | 40 | Wye | 2.75Y | 2.2A | 60K | 5 | 17 | 4 |
| 2000 | 93 | 30 | 2800 | 350 | 74 | 40 | Wye | 2.25Y | 3.1A | 60K | 5 | 17 | 4 |
| 2250 | 108 | 26 | 2800 | 350 | 74 | 40 | Wye | 2Y | 3.2A | 60K | 5 | 17 | 4 |