Losi LOSB9423 - Manual

Xcelorin 8 th Sensorless Brushless Motor Instructions
Xcelorin 8 th Sensorless Motors v1.1
◊ LOSB9420 1300Kv ◊ LOSB9421 1700Kv ◊ LOSB9422 2100Kv ◊ LOSB9423 2400Kv
Thank you for purchasing the Losi™ Xcelorin™ sensorless motor. This motor will provide you the benefit of
the latest in brushless technology.
We believe it will be to your benefit to take the time and effort to read these instructions.
We are confident you will be satisfied with the performance of the Xcelorin Sensorless Motor.
Losi/Horizon Support
If you have any questions concerning operation of your Xcelorin Motor, please call Horizon customer support
at 1 877 504 0233.
You are welcome to call us with any support issue or question you may have.
Safety Precautions and Warnings:
 Please read instructions before operating.
 Do Not use a Schottky Diode with this motor.
 Avoid over-gearing by monitoring temperature.
 Operating temperature should not exceed 190F – 205F (87C – 96C) degrees.
 Do Not over tighten the motor mounting screws. Damaged threads are not covered under warranty.
 Ensure the motor screws do not go into the motor more than 0.180 in (4.5mm).
Specifications:
LOSB9420 LOSB9421 LOSB9422 LOSB9423
Sensorless Construction Yes Yes Yes Yes
Number of Poles 4 4 4 4
Rotor Magnet Sintered Sintered Sintered Sintered
RPM @ 11.1V 14,430 18,870 23,310 26,640
RPM per Volt 1300 1700 2100 2400
Power (W) 1200 1500 1900 2200
Efficiency 90% 90% 86% 85%
Common Specifications:
Precision Ball Bearings
Compatible with 2S thru 5S LiPo batteries, and from 6 to 12 cells
Weight: 10.8 oz (306 g)
Length: 2.64” (67mm) *less shaft length
Diameter: 1.54” (39mm)
Shaft: 0.197” (5mm)
Shaft length: 0.92” (23.4mm)