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Fixed-Wing Motors

BGS-FW335B 425KV 1.6KG Payload Drone motor for Fixed-wing unmanned aerial vehicle

Product Number:FW335B

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The KV425 brushless motor features 12N14P slot-pole design and low internal resistance. It supports stable 60A max current with 6S-8S LiPo power supply for medium-sized fixed-wing UAVs.

Motor dimensions
39*76.5mm
Number of slots
12N14P
Copper wire grade
200℃
Shaft diameter
5mm
Motor weight
260g
Service life
＞1000h

Technical Specifications

AX335-B Basic Data
Test Model:KV425	Shaft Diameter：5mm
Weight：260g	Recommended Lipo Battery / Voltage：6S-8S
Motor Dimensions：39*76.5	No-load Current (10V)：1.7A
Internal Resistance (with Wires)：50m	Maximum Current (180s)：60A
Lead Specification：Enameled Wire * 120mm	Maximum Power (180s)：1500W (8S)
Slot/Pole Configuration：12N14P	Recommended ESC/Propeller：60A(6S)/60A(8S)/12*20

Basic Data

MODEL	KV Value	maximum power	Maximum current	pull	Efficiency	Applicable blades	Number of batteries	Adapt to electric adjustment
BGS-FW335	KV	W	A	g	g/W	/	S	A
	425	773.13	35.69	1045	1.35	APC 12*20	4	80
	425	1594.84	55.45	1647	1.03	APC 12*20	4	100

test data

Model	accelerator	Voltage	Pulling Force	Torque	Current	speed	Power	Efficiency	Motor temperature
BGS-FW335-425KV 12*20	%	V	g	N.m	A	rpm	W	g/W	℃
	40.%	22.17	202	0.161	3.24	3131	71.82	2.82	96
	45.%	22.15	255	0.200	4.40	3505	97.52	2.62
	50.%	22.13	308	0.252	5.97	3902	132.15	2.33
	55.%	22.10	380	0.300	7.74	4272	171.13	2.22
	60.%	22.08	432	0.345	9.44	4599	208.47	2.07
	65.%	22.04	493	0.393	11.45	4896	252.33	1.95
	70.%	22.01	551	0.438	13.53	5198	297.78	1.85
	75.%	21.97	629	0.502	16.48	5566	362.03	1.74
	80.%	21.92	702	0.559	19.42	5880	425.56	1.65
	90.%	21.81	856	0.679	26.41	6509	575.93	1.49
	100.%	21.66	1045	0.825	35.69	7163	773.13	1.35
BGS-FW335-425KV 12*20	40.%	29.56	341	0.288	5.25	4123	155.13	2.20	197
	45.%	29.52	419	0.346	7.08	4562	208.89	2.01
	50.%	29.49	507	0.413	9.18	4979	270.67	1.87
	55.%	29.46	591	0.475	11.36	5375	334.51	1.77
	60.%	29.42	672	0.544	13.93	5752	409.67	1.64
	65.%	29.35	795	0.642	17.90	6260	525.41	1.51
	70.%	29.29	921	0.740	22.13	6703	648.09	1.42
	75.%	29.22	1040	0.833	26.73	7131	781.07	1.33
	80.%	29.15	1154	0.919	31.00	7503	903.78	1.28
	90.%	28.98	1389	1.108	41.87	8242	1213.35	1.14
	100.%	28.76	1647	1.311	55.45	8985	1594.84	1.03

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The 335B Brushless Outrunner Motor is designed for lightweight fixed-wing UAVs, RC aircraft, and small VTOL platforms, delivering efficient power output and smooth flight performance. Available in 425KV, it provides up to 1.6 kg of maximum thrust when paired with the recommended propeller and ESC. Optimized for 3–6S LiPo battery systems, it features a high-efficiency magnetic circuit, precision-balanced rotor, and premium bearings to ensure low vibration, low noise, and extended service life. Ideal for lightweight fixed-wing drones, FPV aircraft, trainer airplanes, gliders, and small VTOL UAVs. Custom shaft dimensions, cable length, and mounting configurations are available to support OEM and ODM requirements.