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B-Box-15 with Aerodrive SK3 – 4240-740kv Brushless Drive for 15 KG Setup



Finally! A high powered gearmotor solution for Featherweight  robots. For this geared motor, we combined a rugged Bbox 20:1 gearbox with a powerful AERODRIVE SK3-4240-740kv brushless outrunner size motor, resulting in a bolt-in ready gearmotor that will provide plenty of power at a price that won’t break the bank. You can replace the motor with any NTM PROPDRIVE 42XX, 36XX SERIES BRUSHLESS, RS775,RS500,RS550 BRUSHED MOTOR  or AERODRIVE 42XX 36XX brushless Size and similar sized motors.

Type Planetary
Reduction ratio 20:01
Gear material Steel
No Load Speed 900 RPM
Nominal Voltage 24 V DC
Maximum Voltage 24 V DC
AMPS @ Nominal 2.80 AMPS
Efficiency 45%
Weight 600 GM
Size 44*44mm
Total Length 196 gm
Shaft Diameter 12mm
Shaft Length 60mm
Shaft  Keyway 4*2mm
Shaft End Tap 3mm
Mounting Hole M5


Aerodrive 4240 740kv brushless outrunner Motor

Turnigy SK3 Motors are the next leap forward in motor quality and design. We instructed the engineers to source the best quality magnets, bearings and materials available to them and develop a motor that would not only rival but surpass the quality of many leading motor manufacturers on the market today.

The result is an efficient, high caliber motor using quality double shielded bearings, sintered Neodymium magnets and a string wound stator ensuring an accurate and consistent winding each and every time.

The Turnigy SK3 motors are suited to modelers who are seeking a quality brushless motor without compromise.

Turns: 10T
Voltage: 4~5S Lipoly
RPM/V: 740KV
Internal resistance: 0.013 Ohm
Pole Count: 12
Max Loading:50A
Max Power:870W
Shaft Dia:5.0mm
Bolt holes: 25mm
Bolt thread: M3
Motor Plug: 3.5mm Bullet Connector

Additional information

Weight 600 g
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B-Box-15 with Aerodrive SK3 - 4240-740kv Brushless Drive for 15 KG Setup


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