Scorpion 2215-900 180 Watt Brushless Motor
Scorpion 2215-900 180 Watt Brushless Motor
The new SII-22mm motors have been designed to replace the original S-22mm motors that were introduced in January of 2007. These new motors include several design improvements that make them more powerdul and more efficient than the original S-22mm series. The design improvements include:
1. New cooling fan design that works equally well in either direction of rotation.
2. New stator design to concentrate the magnetic fields at the pole faces.
3. New stator plate alloy to increase efficiency and reduce heat losses.
4. New flux ring alloy to contain more of the magnetic field within the motor.
5. The higher efficiency of the motor naturally lowers the Kv of the motor, so to get the Kv back up, fewer turns of heavier gauge wire are used. This lowers the internal resistance (Rm) of the motor and increases the current handling ability.
All of these improvements work together to make the new SII-22mm motors even better than they were before! These new motors still use the same high quality magnets and wire that set the original Scorpion motors apart from the rest of the field, so you can rest assured that the new SII-22mm series motors are built to last.
The Scorpion SII-2215 motors come with 3.5mm male bullet connectors already soldered on to the motor leads, and also include 3 matching female bullet connectors for your speed controller, along with a cross style motor mount with 4 mounting screws, a threaded shaft style prop adapter and a prop saver type prop adapter with O-Rings.
To top off the high quality fit and finish of these motors, Scorpion backs them with a 2-year warranty against defects in materials and workmanship. (Due to the nature of ball bearings, and the fact that they can be easily damaged by prop strikes or by getting dirt in them, the ball bearings are not covered under the two-year warranty.)
| Specifications: | |
| Stator Diameter | 22.0 mm (0.866 in) |
| Stator Thickness | 15.0 mm (0.591 in) |
| No. of Stator Arms | 12 |
| No. of Magnet Poles | 14 |
| Motor Wind | 19 Turn Delta |
| Motor Wire | 4-Strand 0.21mm (31 AWG) |
| Motor Kv | 900 RPM / Volt |
| No-Load Current (Io) | 0.52 Amps |
| Motor Resistance (Rm) | 0.142 Ohms |
| Max Continuous Current | 16 Amps |
| Max Continuous Power | 180 Watts |
| Weight | 68.8 Grams (2.43oz) |
| Outside Diameter | 27.9 mm (1.097 in) |
| Shaft Diameter | 2.98 mm (0.117 in) |
| Body Length | 33.0 mm (1.299 in) |
| Overall Shaft Length | 52.0 mm (2.047 in) |
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