GEPRC GEP-GR1507 Motor

The GEPRC GEP-GR1507 Brushless Motor is engineered to bring explosive power and high efficiency to 3-inch and 4-inch FPV drone builds. Constructed from high-strength 7075 aviation aluminum with precision CNC machining, it features N52H curved arc magnets, Japanese NSK bearings, and an enhanced cooling structure that reduces operating temperatures by 20%. Operating on 2S to 4S LiPo setups, it provides smooth throttle control and maximum thrust response between 50% and 90% throttle.

Key Features

Precision CNC-machined 7075 aviation aluminum body for high impact resistance and structural durability

High-efficiency N52H curved arc magnets with an ultra-tight 0.15 mm air gap for optimal power conversion

Advanced thermal radiation design providing a 20% temperature reduction compared to similar motor classes

Premium Japanese NSK bearings ensuring ultra-smooth high-RPM operation with minimal vibration

Dynamic balance tuning on motor bell housing for reduced noise and oscillation

Supports 2S to 4S LiPo battery configurations, optimized for 3-inch and 4-inch FPV quadcopters

Specifications

Model: GEPRC GEP-GR1507

Available KV Ratings: 2800KV / 3200KV / 3600KV / 4200KV

Stator Dimensions: 15 × 7 mm

Shaft Diameter: 2 mm (Hollow Shaft)

Motor Dimensions: Φ21.6 × 29.1 mm

Configuration: 12N14P

Magnet Type: N52H Curved Arc Magnets (0.15 mm air gap)

Bearing Type: Japanese NSK

Housing Material: CNC 7075 Aviation Aluminum

Input Voltage: 2S–4S LiPo

Wire Gauge: 24AWG

Recommended Propeller Size: 3–4 inch

Weight: 15.8 g (excluding wires) / 15.5 g (standard body weight)

GEP-GR1507 2800KV Variant

Maximum Continuous Current (180s): 22.59A

Internal Resistance: 149 mΩ

GEP-GR1507 3600KV Variant

Maximum Continuous Current (180s): 26.47A

Internal Resistance: 104 mΩ

GEP-GR1507 4200KV Variant

Maximum Continuous Current (180s): 29.21A

Internal Resistance: 96 mΩ

Performance Metrics

Optimal Power Band: Peak efficiency and thrust delivery concentrated between 50% and 90% throttle