Overview
The Flashhobby D4215 650KV Brushless DC Motor is a three-phase outrunner motor designed for 4-6S (DC14.8-22.2V) setups and 10-12 inch propeller applications. It uses 18#AWG 200mm motor leads and supports ESC PWM control (900-2100US).
Key Features
- 650KV (custom KV available)
- 12N14P configuration with 42SH magnets (14P) and 0.35mm silicon steel sheet (12N)
- 6082 aluminum bell
- NMB bearing
- Recommended ESC range: 40A-60A
For compatibility questions (ESC, propeller, battery), contact support@rcdrone.top or visit https://rcdrone.top/.
Specifications
| Model | D4215 |
| KV | 650KV (or customed KV) |
| Motor type | Outrunner brushless motor, three-phase motor |
| Input voltage | DC14.8-22.2V (4-6S) |
| Current | 39A |
| Maximum power | 868W |
| Max pull | 2290g (6S/APC1238) |
| Suggested ESC | 40A-60A |
| Suggested prop | 10-12 inch prop |
| Recommended application | 10-12 inch prop application |
| Working temperature range | -0 C to +80 C |
| Control method | Use ESC and adjust PWM signal for control; PWM adjustment range 900-2100US |
| Weight | 83g (including the cables); 83g (approx) |
| Motor size | 42*15mm |
| Stator diameter | 36mm |
| Stator height | 8mm |
| Shaft diameter | 4mm |
| Mounting screw pattern | 16x19mm (M3*4) |
| Configuration | 12N14P |
| Motor cable | 18#AWG 200mm |
| Motor drawing callouts | 42.2; 15.5; 19.5; 28.5; 819; 816; 812; 4-M3 |
Test Data
| Prop (inch) | Throttle (%) | Voltages (V) | Load Currency (A) | Speed (RPM) | Power (W) | Pull (g) | Efficiency (g/W) | Temperature (in full throttle load 1min) |
| 11*7 | 50 | 24.71 | 5.09 | 5859 | 126 | 687 | 5.46 | 37.4 C |
| 60 | 24.60 | 9.27 | 7034 | 228 | 1004 | 4.40 | ||
| 70 | 24.47 | 13.79 | 7819 | 337 | 1244 | 3.69 | ||
| 80 | 24.31 | 19.37 | 8478 | 471 | 1464 | 3.11 | ||
| 90 | 24.14 | 25.14 | 9073 | 607 | 1658 | 2.73 | ||
| 100 | 23.92 | 32.94 | 9538 | 788 | 1882 | 2.39 | ||
| 12*6 | 40 | 24.80 | 2.67 | 4893 | 66.2 | 511 | 7.72 | 36.7 C |
| 50 | 24.74 | 4.39 | 5759 | 108.6 | 723 | 6.66 | ||
| 60 | 24.64 | 8.07 | 6950 | 198.8 | 1086 | 5.46 | ||
| 70 | 24.53 | 12.03 | 7762 | 295.1 | 1397 | 4.73 | ||
| 80 | 24.38 | 17.05 | 8496 | 415.7 | 1710 | 4.11 | ||
| 90 | 24.21 | 22.60 | 9081 | 547.1 | 2005 | 3.66 | ||
| 100 | 24.03 | 29.07 | 9639 | 698.6 | 2232 | 3.19 | ||
| 13*8 | 40 | 24.75 | 3.92 | 4528 | 97.0 | 656 | 6.76 | 41.5 C |
| 50 | 24.68 | 6.36 | 5184 | 157.0 | 944 | 6.02 | ||
| 60 | 24.55 | 11.11 | 6037 | 272.8 | 1268 | 4.65 | ||
| 70 | 24.38 | 17.08 | 6697 | 416.4 | 1595 | 3.83 | ||
| 80 | 24.20 | 23.22 | 7191 | 561.9 | 1882 | 3.35 | ||
| 90 | 23.99 | 30.09 | 7609 | 721.9 | 2104 | 2.91 | ||
| 100 | 23.76 | 38.27 | 7851 | 909.3 | 2316 | 2.55 |
What s Included
- 1 x Flashhobby D4215 650KV brushless DC motor
- 1 x prop adapter
- 4 x screws
Wiring / Connection
- Connect the three motor phase wires (A/B/C) to a brushless ESC.
- Connect the ESC to the battery.
- Connect the ESC PWM input signal cable to the receiver.
Details

The Flashhobby D4215 650KV brushless motor uses a 4×M3 mounting pattern and is listed at approximately 83g for fitment planning.

The Flashhobby D4215 650KV brushless motor features an orange top plate with exposed copper windings and a multi-hole mounting pattern for straightforward installation.

The Flashhobby D4215 brushless motor features an open-frame design with visible copper windings and a pre-attached three-wire lead for easy wiring.

The Flashhobby D4215 650KV brushless motor comes with mounting screws and hardware for straightforward installation.

The Flashhobby D4215 motor uses 42SH (14p) magnets, an NMB bearing, and a 0.35mm silicon steel sheet stator (12n) for a robust internal build.

A basic brushless setup connects the battery to the ESC, then routes the three motor phase wires and a PWM signal lead to the receiver.
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