A 9.9-gram 9N12P external-rotor motor for responsive 2- to 4-inch FPV aircraft, available in 3700KV, 4800KV and 6000KV configurations.
Built for high power that lasts.AL7075 anodized construction, N52SH arc magnets, NSK precision bearing support and published maximum power up to 316W.
Framework9N12PExternal-rotor architecture
Motor size19.1 × 17.4Millimeters
Weight9.9 gIncluding wire
Propeller range2–4 inVariant and setup dependent
01 / Choose Your KV
Three windings for long-range, freestyle and racing builds.
Choose the winding around the complete aircraft, propeller, ESC, battery and cooling requirements.
3700KV3–4S · 3–4-inch propeller · up to 228W published maximum power
4800KV3–4S · 3–4-inch propeller · up to 270W published maximum power
6000KV2–4S · 2–3.5-inch propeller · up to 316W published maximum power
02 / Maximum Bench Results
Highest recorded thrust in each supplied test sheet.
KV
Test propeller
Voltage
Current
Thrust
Power
RPM
3700KV
GF 3.5 × 2.0 × 3
16 V
12.58 A
426 g
201.28 W
34,628
4800KV
HQ 3 × 1.6 × 3
16 V
16.87 A
471 g
269.92 W
44,928
6000KV
HQ 2.2 × 2 × 3
16 V
19.77 A
439 g
316.32 W
59,523
Maximum-throttle bench results from the supplied EMAX load-test sheets. Results are configuration-dependent and are not guaranteed aircraft-level performance.
03 / Motor Construction
Compact components selected for durability and response.
The E3 1404 combines a rugged steel shaft, AL7075 anodized housing, one-piece outer rotor, N52SH arc magnets, single-strand winding and NSK precision bearing support.
04 / Platform Details
Lightweight 1404 geometry with a 9 × 9 mm mounting pattern.
Framework
9N12P
Overall dimensions
Ø19.1 × 17.4 mm
Weight
9.9 g with wire
Propeller shaft
Ø1.5 mm
Bearing shaft
Ø2 mm
Stator height
4 mm
Mounting pattern
9 × 9 mm, four M2 holes
Leads
120 mm, 24 AWG silicone wire
AL7075 housingAnodized aluminum construction.
N52SH magnetsArc-magnet rotor specification.
NSK bearingPrecision bearing support.
Three power profiles3700KV, 4800KV and 6000KV.
05 / Electrical Specifications
Published limits by winding.
KV
Cells
Propeller
Weight
Idle current
Resistance
Peak current
Maximum power
3700KV
3–4S
3–4 in
9.9 g
0.6 A at 10 V
238 mΩ
14.2 A at 4S
228 W at 4S
4800KV
3–4S
3–4 in
9.9 g
0.8 A at 8 V
157 mΩ
16.9 A at 4S
270 W at 4S
6000KV
2–4S
2–3.5 in
9.9 g
1.0 A at 7 V
103 mΩ
19.8 A at 4S
316 W at 4S
Published motor weight includes wire. Idle-current test voltage differs by winding as shown.
06 / In The Box
Three screw lengths included for compatible frames.
