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Multi-Rotor Motors

BG-H505 120KV 380KV 12S High Torque Drone Motor for Large Multirotor UAV Platforms

Product Number:H505

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The 50xx series multirotor drone motors are high-power brushless DC external rotor motors designed for heavy-lift UAV platforms. With a stator diameter of about 50 mm, these motors provide extremely high torque, strong thrust, and excellent efficiency, making them ideal for large industrial drones and agricultural UAV applications.

Motor dimensions
50*15mm
Number of slots
24N28P
Copper wire grade
200℃
Shaft diameter
4mm
Motor weight
249g
Service life
＞1000h

Basic Data

Model	KV Value	Maximum Power	Maximum Current	Pull	Efficiency	Awe	Battery	ESC
BG-H505	KV	W	A	g	g/W		S	A
	120	1479.9	33.78	6370	4.3	22''folding paddle	12S	60
	260	1551.83	35.43	6462	4.16	16''straight oar	6S	80
	380	1248.11	59.04	5745	4.6	20''straight oar	6S	80

test data

Model	Accelerator	Voltage	Pulling Force	Torque	Current	Speed	Power	Efficiency	Motor Temperature
BG-H505 KV120	%	V	g	N.m	A	rpm	W	g/W	℃
	45%	44.14	2104	0.83	4.91	2482	216.73	9.71	55
	50%	44.15	2547	1.02	6.61	2731	291.83	8.73
	60%	44.07	3514	1.44	10.82	3163	476.84	7.37
	70%	44.03	4322	1.86	15.47	3506	681.14	6.35
	80%	43.96	5115	2.3	21.01	3843	923.6	5.54
	85%	43.92	5571	2.53	24.08	3986	1057.59	5.27
	90%	43.9	5811	2.76	27.18	4132	1193.2	4.87
	95%	43.85	6118	2.99	30.25	4239	1326.46	4.61
	100%	43.81	6370	3.27	33.78	4316	1479.9	4.3