This is the Novak 3900Kv NX4 4-Pole Sensored Brushless Motor.
FEATURES
Meets ROAR SCT rules
Sensor-based design for excellent torque, response, and low-speed
driveability
ABEC 5 high RPM bearings treated with Novak's Speed Lube Bearing Oil
CNC machined can with heat sinks for maximum cooling
Kevlar wrapped rotor for maximum reliability and performance
Four magnetic poles on the rotor for good flat out acceleration, and
high performance on smaller tracks with lots of short acceleration
Rebuildable
High-current solder tabs
INCLUDES
NX4 3900Kv Brushless Motor with three 13GA Power Wires and 4mm Bullet
Connectors
REQUIREMENTS
Compatible ESC such as the Novak Hammer, GTB3, and Crusher
SPECIFICATIONS
Design: 4-pole sensor based
Weight: 5oz (142g) w/power wire and sensor harness
Input Voltage: 2S and 3S LiPo/4-9 NiMH
Kv (unloaded): 3,900 RPM/Volt
Maximum RPM: 50,000
Diameter: 1.4" (36mm)
Length: 2.1" (53mm)
Shaft Diameter: 1/8"
Mounting: 0.98" (25mm) diameter (M3x0.5mm)
Rotor Magnet: 4-pole sintered Neodymium
Rotor Diameter: 0.71" (18mm) Kevlar-wrapped
Stator: 12-slot, 2Y, epoxy dipped
Wires: 13GA Super-Flex copper-strand silicone coated
Connectors: 4mm male gold-plated bullet
Two Simple UK Delivery Options
Royal mail at £3.95, or Express at £6.95.
Full details at checkout.
Some items cannot be sent via Royal Mail due to their restrictions.
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