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Spektrum Accessories Firma 4000Kv Brushless Motor

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  • Detail

    Overview

    The Firma 4000Kv brushless motor is a great choice for 1/10 scale 4WD, 2WD, and on-road models running on 2S LiPo power. Featuring a low cog 4-pole 8-magnet rotor design, CNC machined aluminum housing, insulated high purity copper windings, high-quality alloy steel 3.175mm (1/8") output shaft, and precision bearings for high durability and smooth rotation. Preinstalled 4mm gold plated bullet connectors for easy installation, and perfectly matched for the Firma 85A Smart ESC.

    • 4mm Gold Plated Bullet Connectors
    • Brushless Non-Sensored Design
    • 1/8" (3.175mm) Alloy Steel Output Shaft

    Features

    • Excellent upgrade for 540- and 550-size brushed motors with the same diameter and mounting pattern (vehicle must accept pinions with a 1/8" bore)
    • High-quality 4-pole sintered rotor
    • 4mm gold plated bullet connectors
    • High-quality construction with precision ball bearings and hardened steel 1/8" shaft

    Product Specs

    Application
    1/10 scale 4WD, 2WD, and on-road models running on 2S LiPo power
    Bushing Or Bearing
    Bearing
    Connector Type
    4mm Bullet
    Efficiency
    81%
    Input Voltage
    6 - 8.4V
    Maximum Continuous Current
    40A
    Motor Class
    1/10 Scale
    Motor Design
    Inrunner
    Motor Size
    3652
    Motor Type
    Brushless
    Number of Poles
    4
    Product Weight
    7.4oz (210g)
    RPM/Volt (Kv)
    4000Kv
    Sensored
    No
    Shaft Diameter
    0.125" (3 mm)
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