4xxx SERIES

RCD 4320 Brushless Motor

A 4320 brushless motor with an aluminum alloy housing for 13-15 inch FPV platforms, available in 420KV with custom KV options and compatible with 6S-12S battery systems.

420KV
Customization Available
Send InquiryEmail Us
RCD 4320 Brushless Motor for FPV
SPECIFICATIONS
Model4218
KV Options380KV (Customization Available)
Rated Voltage6-12S
No-load Current1.0A / 25V
Stator Size (mm)Φ
Slots/Poles (N/P)12/14
Recommended Propeller13''-18''
Motor Dimensions49 * 37.7 mm
Motor Weight260 g
Wire750mm, #14 AWG Silicone Wire
Mounting Pattern19 x 19 mm, M4

Performance Testing Data

4218-380KV

Test Propeller: HQ1507

Throttle %SpeedRPMVoltageVCurrentAThrustgTorqueN·mIR Temp°CElectric powerWShaft powerWMotor Efficiencyg/WPropeller efficiencyg/WSystem efficiencyg/W
10%368.27333.470.088-0.00320.42.678-0.116-4.332-68.9662.987
20%1751.733.4710.688247-0.06520.423.028-11.923-51.776-20.71610.726
30%280633.4742.079668-0.15720.669.592-46.133-66.291-14.489.599
40%3916.45533.4724.9661275-0.29621.3166.222-121.399-73.034-10.5037.67
50%4929.433.4729.7122098-0.48422.5325.08-249.843-76.856-8.3976.454
60%5856.133.47416.1562953-0.67124.1540.806-411.49-76.088-7.1765.46
70%6643.18233.4724.3643931-0.8927815.463-619.148-75.926-6.3494.821
80%7420.09133.47335.0364900-1.11131.81172.76-863.28-73.611-5.6764.178
90%8073.90933.4748.1185988-1.37139.31610.509-1159.18-71.976-5.1663.718
100%8227.733.46850.7216085-1.404481697.53-1209.69-71.262-5.033.585

The measurements are from RCD load-test records. Results may vary with battery, propeller, environment, and installation conditions.

Customization Options

  • Electrical Performance

    We can evaluate KV options and related electrical configurations based on your battery, ESC, propeller, and performance requirements.

  • Mechanical Configuration

    Discuss motor dimensions, mounting patterns, shaft diameter, and shaft length to help ensure compatibility with your airframe and installation requirements.

  • Appearance & Branding

    Customize the motor’s color and finish, and discuss logo placement, product engraving, and packaging options to align with your project or brand identity.

  • Lead Wire & Connection

    Configure lead wire length, wire gauge, wire exit direction, and connector options to suit your aircraft’s wiring layout and integration needs.

Choose a standard configuration or discuss adjustments for your project.

  • Standard Product

    For projects that match an existing model and configuration.

    • Choose from available motor models and KV options.
    • Review published specifications and test data.
    • Contact us to confirm pricing, availability, and lead time.
    Browse All Motors 

  • Custom Project

    For projects that require changes to performance, appearance, or connections.

    • Tell us about your platform and the changes you need.
    • Share your target specifications, drawings, or reference images.
    • Our engineering team will review feasibility before we prepare a quotation.
    Discuss a Custom Option 

Customization Process

Contact & Share Your Requirements

Tell us about your application, target specifications, and requested customizations.

Engineering Evaluation

Our engineering team reviews feasibility, compatibility, and any required validation.

Quotation

We prepare a quotation and estimated timeline based on the confirmed configuration, quantity, and delivery requirements.

Sample Confirmation

Review and confirm the sample’s specifications, appearance, and performance.

Production & Delivery

Once the sample is approved, we proceed with production and deliver according to the agreed schedule.