GM Racing - 10.5T Brushless Motor for Pro Stock Classes

[Reporter]

GM 97290 10.5T Brushless Motor for Pro Stock Classes.

New version with improved cooling and performance with shorter and lighter can.

Now available and set to be BRCA legal. (Pending appearance on BRCA website)

Sensored design

12.3mm rotor.

Includes sensor leads for GM and other speed controls.

BRUSHLESS PRO

Lightweight: only approx. 165 g
Lower cost
Extra-thick multiple windings
Sintered Neodymium magnets
Sensors in accordance with IFMAR / EFRA / DMC rules
BRCA, EFRA and DMC legal
Fixed motor timing
High-performance free-running ballraces
Sensor-less running possible with GM-BRUSHLESS speed controllers

Specification

Nominal voltage: 7.2 V
Operating voltage range: 4.8 ... 7.4 V
Revolutions / V (kV) approx. 3250
No. of windings: 10.5T star
Current drain at maximum efficiency approx. at 7.2V: 32A
Current drain at maximum power approx. at 7.2V: 85A
Maximum power at 7.2 V: 320 W
Maximum power at 6 V: 240
Maximum power at 4.8 V: 160
Permissible direction of rotation: R and L
No. of poles: 2
Overall length approx. 70 mm
Case length approx. 52,5 mm
Diameter approx. 35,8 mm
Free shaft length approx. 15 mm
Magnet diameter: EFRA Stock
Shaft diameter at output: 3.175 mm
Weight approx. 165 g
Recommended reduction ratios with six cells: 1 : 10 model cars, TW 1:4 - 1:8 4WD, 1:7 - 1:10
Recommended speed controller: 7164

Schumacher