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    Display : All categories 0 Power Systems 764 Electric Motors 431 Brushless Motors 298

    B20-40-31L Brushless Inrunner Motor 1850kv

    B20-40-31L Brushless Inrunner Motor 1850kv

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    B20-40-31L Brushless Inrunner Motor 1850kv

    1 Reviews
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    $12.65
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    SKU:
    031000071
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    Product Description

    B20-40-31L Brushless Inrunner Motor 1850kv

    Specs:
    Dimensions: 20mm x 40mm
    KV: 1850 rpm/v
    Max current: 8A
    Max Power: 170W
    Idle current: 0.5A
    Resistance: 0.26Ω
    Shift: Φ2.0mm
    Weight: 63g
    Suggested ESC: 15A
    Cell count: 3-5SLipo
    Bolt holls spacing: 16mm
    Bolt thread: M2.5*4
    Gold Connector: Φ3.5

    Product Specifications
    • Kv(rpm/v) 1850.00
    • Max Current (Motor) (A) 8.00
    • Resistance (mh) 0.00
    • Max Voltage (V) 19.00
    • Power (W) 170.00
    • Shaft A(mm) 2.00
    • Length B (mm) 40.00
    • Can Diameter C(mm) 20.00
    • Can Length D(mm) 39.00
    • Total Length E(mm) 56.00
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    Reviews

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    Gord | Verified Buyer

    • Overall
    • Quality
    • Value

    Customer Rated

    Apr 30, 2014

    The unit appears to be well put together. Comes with bullet connectors and heat shrink which is useful. Bench testing at close to or over its rated capacity with a 5x5 prop, the unit appears strong and remained cool to the touch. Only issue is the shaft is NOT 2mm. It is 1 mm with a ground flat. This caused issues as I was anticipating receiving a motor w 2mm shaft size and had prop adapters to suit.

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