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.

380KV
Customization Available
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RCD 4320 Brushless Motor for FPV
SPECIFICATIONS
Model4320
KV Options420KV (Customization Available)
Rated Voltage6-12S
No-load Current2.5A / 25V
Shaft Diameter (mm)Φ6 mm
Slots/Poles (N/P)12/14
Recommended Propeller13''-15''
Motor Dimensions49.5 * 39.8 mm
Motor Weight267 g
Wire500mm, #16 AWG Silicone Wire
Mounting Pattern19 x 19 mm, M4

Performance Testing Data

4320-420KV

Test Propeller: GF1507

Throttle %SpeedRPMVoltageVCurrentAThrustgTorqueN·mIR Temp°CElectric powerWShaft powerWMotor Efficiencyg/WPropeller efficiencyg/WSystem efficiencyg/W
10%445.5433.2850.061130.00524.52.030.23311.47855.7946.404
20%1899.8333.2850.792630.07324.726.29514.52355.23118.10910.002
30%3113.2533.2872.8028150.19724.893.2764.22668.8612.698.738
40%4299.28833.2867.09316310.38625236.098173.78573.6079.3856.908
50%5402.13233.28613.47825060.57825.8448.629326.9872.8847.6645.586
60%6313.47133.28422.22235020.8127739.637535.52872.4046.5394.735
70%7259.36533.28433.66645291.104291120.539839.2674.8985.3964.042
80%8128.55833.28648.07856331.33832.41600.3241138.93371.1694.9463.52
90%8905.84633.28765.21966321.56237.82170.9451456.74967.1024.5533.055
100%9043.61533.29170.22867681.61543.22337.961529.47865.4194.4252.895

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.