4720 KV320/KV380 FPV Brushless Motor for Long-Range Cruising

Technical Drawing

Specification

Type	4720	Motor Dimension	54.2*65.8
Magnet	Zinc-Plated Arc Magnets	Coil Insulation Test	500V Withstand Voltage Test
Dynamic Balance Requirements Standards	≤5mg	Configuration	12N14P
Shaft Diameter	4mm	Lead	14AWG*500mm
Screw Diameter	Φ30-M4-4	Prop Adapter Shaft Thread	Φ15-M3-4/Φ12-M3-4

Technical Specifications
Recommended Voltage	KV320	Idle Current (10V)	1.61A
Max Power	2713W	Internal Resistance	42.53 mΩ
Rated Voltage (LiPo)	6-12S	Peak Current	96.49A
Max Thrust	10.11kg	Weight (Incl. Cable)	336.5g

Recommended Voltage	KV380	Idle Current (10V)	1.69A
Max Power	1520W	Internal Resistance	41.62 mΩ
Rated Voltage (LiPo)	6-12S	Peak Current	78.58A
Max Thrust	8.17kg	Weight (Incl. Cable)	335.0g

Recommended Set/Motor/Propeller/ESC
Motor	4720 kv320	Drone Frame Type	18-inch X4 Frame
Propeller	c15x10x3	Recommended Battery	44.4v
ESC	C80A 12s	Recommended Takeoff Weight	25kg
Flight Controller	F7 pro	Recommended Takeoff Weight	32kg
Test Data：	Takeoff Weight: 13 kg (5 kg Test Payload), Battery: 12S 30,000 mAh, Cruise Speed: 100 km/h, Flight Time: 32 min / 53 km Takeoff Weight: 32 kg (22 kg Test Payload), Battery: 12S 40,000 mAh, Cruise Speed: 80 km/h, Flight Time: 10 min / 13 km

Motor	4720 kv380	Drone Frame Type	18-inch X4 Frame
Propeller	GF18103	Recommended Battery	29.6v
ESC	C80A 8s	Recommended Takeoff Weight	18kg
Flight Controller	F7 Pro	Recommended Takeoff Weight	26kg
Test Data：	Takeoff Weight: 13 kg (5 kg Test Payload), Battery: 12S 30,000 mAh, Cruise Speed: 100 km/h, Flight Time: 26 min / 44 km Takeoff Weight: 26 kg (16 kg Test Payload), Battery: 12S 40,000 mAh, Cruise Speed: 80 km/h, Flight Time: 10 min / 13 km

Test Data

Type	Propeller	Voltage (V)	Throttle (%)	Current (A)	RPM	Thrust (g)	Power (W)	Efficiency (g/W)	Torque (N.m)	Operating Temperature (℃)
4720 KV320	C15103	44.43	10%	0.26	1106	121	5	24.84	0.04	47℃
		44.41	20%	1.37	2294	598	41	14.56	0.17
		44.36	30%	3.93	3404	1358	133	10.22	0.37
		44.27	40%	8.46	4437	2327	295	7.90	0.63
		44.15	50%	15.29	5397	3479	535	6.50	0.95
		43.98	60%	24.61	6286	4755	854	5.57	1.30
		43.76	70%	36.57	7100	6129	1252	4.89	1.68
		43.48	80%	51.80	7877	7527	1720	4.38	2.08
		43.12	90%	70.98	8550	8918	2229	4.00	2.49
		42.64	100%	96.49	9086	10112	2713	3.73	2.85
4720 KV380	GF18103	29.64	10%	0.19	742	92	3	31.26	0.04	35℃
		29.62	20%	1.18	1544	460	25	18.19	0.16
		29.58	30%	3.50	2288	1076	80	13.39	0.34
		29.50	40%	7.49	2971	1856	174	10.66	0.56
		29.39	50%	13.51	3600	2778	312	8.91	0.83
		29.25	60%	21.48	4176	3769	489	7.71	1.12
		29.06	70%	31.83	4718	4835	708	6.83	1.43
		28.83	80%	44.57	5199	5960	959	6.22	1.76
		28.54	90%	59.96	5630	7072	1231	5.75	2.09
		28.18	100%	78.58	6013	8174	1520	5.38	2.41

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