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Fixed-Wing Motors

BGS-FW525A 250KV 10KG Payload brushless motor for 18inch Surveying drone

Product Number:FW525A

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The AX525-A brushless motor adopts high-temperature resistant coating and high-grade heat-resistant enameled wire. It features precise dynamic balance and stable high-temperature performance for heavy-lift industrial fixed-wing drones.

Motor dimensions
63.6×78.5mm
Number of slots
12N14P
Copper wire grade
220℃
Shaft diameter
8mm
Motor weight
620g
Service life
＞1000h

Technical Specifications

AX525-B Basic Data
KV rating:250 KV	Rotor Dynamic Balance Standard:≤30mg
Motor size:Φ63.6×78.5mm	Package Size:19710475mm
Number of slots & poles:12N14P	Rated voltage (LiPo):12S
Shaft diameter:IN: 10mm, OUT: 8mm	Max. continuous power:763W
Bearing Model:6800/6900ZZ bearing	Max. Thrust:10kg
Motor weight (including wires):620g	Max. current:100A
Magnet Temperature Resistance Grade:180°C	No-Load Current (15V):2.8A
Stator Process:150℃ high temperature resistant coating	Interphase Resistance:22mΩ
Copper wire grade:220℃ heat resistant enameled wire	Service life:Refer to bearing and dynamic balance specifications
Lead Wire Specification x Length:Enameled wire 150mm	Voltage regulator:N/A
Coil Withstand Voltage:500V/5s	Propeller specifications:N/A

Basic Data

MODEL	KV Value	maximum power	Maximum current	pull	Efficiency	Applicable blades	Number of batteries	Adapt to electric adjustment
BGS-FW525	KV	W	A	g	g/W	/	S	A
	250	4149	96.52	10056	2.42	APCAUFZ 18*14	4	90
	250	4149	96.52	10056	2.42	APCAUFZ 18*14	4	90

test data

Model	accelerator	Voltage	Pulling Force	Torque	Current	speed	Power	Efficiency	Motor temperature
BGS-FW525-B KV250 AUFZ 18*14	%	V	g	N.m	A	rpm	W	g/W	℃
	40.%	44.68	1951	0.62	7.09	3842	317	6.16	99
	45.%	44.64	2388	0.77	9.28	4239	414	5.77
	50.%	44.57	2968	0.96	12.59	4717	561	5.29
	55.%	44.49	3679	1.18	17.16	5238	763	4.82
	60.%	44.40	4299	1.38	21.78	5661	967	4.45
	65.%	44.32	4870	1.57	26.41	6022	1170	4.16
	70.%	44.21	5514	1.78	32.09	6396	1419	3.89
	75.%	44.08	6252	2.07	39.12	6790	1724	3.63
	80.%	43.92	7041	2.36	47.04	7180	2066	3.41
	90.%	43.55	8435	2.98	66.83	7864	2910	2.90
	100.%	42.98	10056	3.76	96.52	8583	4149	2.42
BGS-FW525-A KV250 AUFZ 18*14	40.%	44.68	1951	0.62	7.09	3842	317	6.16	99
	45.%	44.64	2388	0.77	9.28	4239	414	5.77
	50.%	44.57	2968	0.96	12.59	4717	561	5.29
	55.%	44.49	3679	1.18	17.16	5238	763	4.82
	60.%	44.40	4299	1.38	21.78	5661	967	4.45
	65.%	44.32	4870	1.57	26.41	6022	1170	4.16
	70.%	44.21	5514	1.78	32.09	6396	1419	3.89
	75.%	44.08	6252	2.07	39.12	6790	1724	3.63
	80.%	43.92	7041	2.36	47.04	7180	2066	3.41
	90.%	43.55	8435	2.98	66.83	7864	2910	2.90
	100.%	42.98	10056	3.76	96.52	8583	4149	2.42

固定翼应用.jpg

The 525A Brushless Outrunner Motor is engineered for medium and large fixed-wing UAVs, delivering powerful thrust, high efficiency, and reliable performance for demanding flight missions. Available in 250KV, it provides up to 10 kg of maximum thrust when paired with the recommended propeller and ESC. Optimized for 6–12S LiPo battery systems, it features a high-efficiency magnetic circuit, precision-balanced rotor, and premium bearings to ensure smooth operation, low vibration, and extended service life. Ideal for fixed-wing drones, VTOL UAVs, cargo UAVs, mapping aircraft, surveillance platforms, agricultural UAVs, and industrial UAV applications. Custom shaft dimensions, cable length, and mounting configurations are available to support OEM and ODM requirements.