FPVGimbalStators

40 Series

Ø39 stator · 12 mm

An 18N24P frame at 115 g, measured on two propellers: 4.6 kgf on a 16 inch, and 11.49 gf/W at part throttle — the efficiency end of the catalogue.

Start a custom brief Ask about this frame

Specification

One frame, every winding.

4012 · frame

Motor size: Ø44.5 × 23 mm
Stator size: Ø39 × 12 mm
Model: SMS4012
Slot / pole: 18N24P
Shaft diameter / thread: Ø6 (M6)

2 windings

Winding	Propeller	Supply	Max thrust	Max speed	Max current	Input power	Peak system eff.	Internal resistance	Max power	Peak drive eff.
KV320	TAROT-1760	25.1–25.2 V	3.640 kgf	9,055 RPM	29.1 A	0.732 kW	8.70 gf/W @ 50%	0.109 Ω	732 W	—
KV320	TL1655-2	33.5–33.6 V	4.623 kgf	6,863 RPM	38.1 A	1.274 kW	11.49 gf/W @ 20%	0.109 Ω	—	79.8 %

Figures as published on the manufacturer’s data sheet for this model. Peak and maximum values are single-run readings from the static bench, not continuous ratings.

Measured data

Off the bench, not the brochure.

Static thrust sweeps for the 4012, every winding, exactly as recorded on the test stand.

Winding

Max thrust3.640 kgf

Max speed9,055 RPM

Max current29.1 A

Input power0.732 kW

Peak system eff.8.70 gf/W @ 50%

Internal resistance0.109 Ω

Max power732 W

TAROT-1760 · 25.1–25.2 V

Throttle (%)	Voltage (V)	Current (A)	Thrust (kgf)	Elec. power (W)	System eff. (gf/W)	RPM	Torque (N·m)
50	25.2	5.4	1.189	136.7	8.70	5310	0.325
60	25.2	8.2	1.563	206.1	7.58	6055	0.431
70	25.2	12.4	2.056	311.9	6.59	6945	0.562
80	25.2	17.1	2.517	431.4	5.83	7692	0.689
90	25.1	22.6	3.063	567.9	5.39	8404	0.821
100	25.1	29.1	3.640	731.7	4.97	9055	0.958

Mechanical interface

Motor size: Ø44.5 × 23 mm
Stator size: Ø39 × 12 mm
Model: SMS4012
Slot / pole: 18N24P
Shaft diameter / thread: Ø6 (M6)

Static bench results as measured; no endurance or thermal-soak qualification is implied.

40 Series

One frame, every winding.

Every dimension, drawn.

Off the bench, not the brochure.