Home > Product > FPV Motors > BGS-F3520 520KV 4.3KG Payload FPV Motor for 11inch&12inch&13inch Drone
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FPV Motors

BGS-F3520 520KV 4.3KG Payload FPV Motor for 11inch&12inch&13inch Drone

Product Number:F3520
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The BGS F3520 heavy-torque outrunner brushless motor is designed for medium-large heavy-lift industrial UAV, agricultural spraying drone, cargo delivery drone and aerial survey equipment. It comes with dual KV options (440KV & 500KV) to match different propeller configurations. Matched with 14-inch heavy-duty propeller, its maximum static thrust reaches 7.8kg, delivering stable performance during long-time continuous heavy-load operation.
  • Motor dimensions

    43×65 mm

  • Number of slots

    12N14P

  • Copper wire grade

    200℃

  • Shaft diameter

    5mm

  • Motor weight

    210g

  • Service life

    >1000h

Technical Specifications
F3520 Basic Data
Motor Model:BGS-F3520 Number of pole pairs:7
Stator:TAIWAN / AnticorrosiveVarnished wire Degree:180℃
Motor Size:D:43 × 65 mmMagnet Degree:150℃
Degree of Protection:IP35Cable Length:enamelled wire 100 mm
Centrifugal Heat Dissipation:YESRotor Balance:≤5 mg
Propeller Mounting Holes:D:15 M3×4 / M6 NutMotor Balance:≤10 mg
Shaft Diameter:IN: 5 mmMotor Mounting Holes:D:25 M3×4 / D:50 M4×4
Bearing:STT 685 ZZ2 / STT 695 ZZ1Disruptive test:500 V



Basic Data
MODELKV ValueMaximum  powerMaximum  currentPullEfficiencyPropellerBatteryESC
BGS-F3520KVWAgg/W/SA
520KV12936042003.2512x8;13x6.5;14x74-6S120
700KV103158.641504.0313x6.5;14x74-6S120



test data
ModelAcceleroVoltageCurrentInput powerOutput powerTorqueSpeedThrustEfficiencyESCTemperature
%VAWWN·mRPMgf%/
BGS-F3520  520KV | APC 12x83024.923.418551.10.119409825460.095~6S65℃
3524.874.49111.771.40.151451348763.945~6S
4024.815.8143.994.10.183491572065.395~6S
4524.737.76191.9135.60.243532895370.645~6S
5024.6310.44257.1185.30.3025856118672.085~6S
5524.513.43329251.80.3776379141976.525~6S
6024.3816.74408.13140.4366882165276.945~6S
6524.2620.46496.43930.5087395188579.185~6S
7024.0924.51590.4467.60.5677879211879.25~6S
7523.9429.06695.7547.20.6248376235478.665~6S
8023.7633.88805633.60.6838861258778.715~6S
8523.5739.15922.8711.50.7299326282077.15~6S
9023.444.41039798.20.7839730305376.835~6S
9523.250.391169923.10.87410087328678.965~6S
1002356.221293.11010.90.92310459351978.185~6S
BGS-F3520 520KV | APC 13x6.53022.523.2773.644.30.128329837960.095~6S52℃
3522.484.4399.663.70.164371361263.945~6S
4022.445.51123.6800.188411584565.395~6S
4522.46.95155.71100.2324528107870.645~6S
5022.368.92199.5143.80.2725056131172.085~6S
5522.3210.74239.7183.40.3145579151076.525~6S
6022.2813289.6222.80.356082174376.945~6S
6522.2415.49344.5272.80.3956595197679.185~6S
7022.218.09401.63180.4297079220979.25~6S
7522.1620.34450.7354.50.4477576241178.665~6S
8022.1223.29515.2405.50.488061264478.715~6S
8522.0826.18578.1445.70.4998526287777.15~6S
9022.0429.49650499.30.5348930307676.835~6S
952232.52715.4564.90.5819287330978.965~6S
10021.9635.62782.2611.60.6059659354278.185~6S
BGS-F3520 520KV | APC 14x73022.523.427745.50.125347348359.095~6S59℃
3522.484.63104.165.50.163383771662.945~6S
4022.445.71128.182.50.188419194964.395~6S
4522.47.15160.2111.50.2344545118269.645~6S
5022.369.12203.9144.90.2834899141571.085~6S
5522.3211.44255.3192.80.3515253171875.525~6S
6022.2813.7305.2231.80.3955607195175.945~6S
6522.2416.9375.9293.90.4715961228878.185~6S
7022.220.19448.2350.50.536315252178.25~6S
7522.1623.44519.4403.40.5786669272377.665~6S
8022.1228.89639496.60.6757023316477.715~6S
8522.0831.78701.75340.6917377339776.15~6S
9022.0435.09773.4586.40.7247731359675.835~6S
952238.12838.6653.80.7728055393377.965~6S
10021.9641.22905.2698.60.7918439416677.185~6S
BGS-F3520 700KV | APC 13x6.53019.12.0939.923.90.066346536960.14~5S42℃
3519.062.835434.50.085388047863.94~5S
4019.033.6869.945.70.102428258965.44~5S
45194.7389.863.40.129469572670.64~5S
5018.926.38120.7870.159522391372.14~5S
5518.88.36157.31200.25746111576.54~5S
6018.7110.73200.7154.40.2366249133076.94~5S
6518.6813.38249.9197.90.286750156979.24~5S
7018.5816.58308243.90.3227234183179.24~5S
7518.4820.16372.6293.10.3627731208978.74~5S
8018.3823.85438.33450.4018216228678.74~5S
8518.327.83509.3392.70.4328681251377.14~5S
9018.1632.86596.9458.60.4829085276176.84~5S
9518.0238.72697.5550.70.55794423133794~5S
10017.8844.48795.3621.80.6059814344178.24~5S
BGS-F3520 IPE 700KV | APC 14x73019.092.1941.825.20.077312340760.24~5S55℃
3519.063.0558.235.90.097353053561.64~5S
4019.024.2480.652.30.126396469164.94~5S
4518.955.9711379.30.168450990670.24~5S
5018.848.28156115.40.21850551154744~5S
5518.7610.99206.2157.10.275555142176.24~5S
6018.714.25266.3202.60.326046168476.14~5S
6518.617.73329.7251.90.3726467197276.44~5S
7018.521.67400.9309.10.4266930222777.14~5S
7518.3826.32483.7376.90.497346254077.94~5S
8018.2731.62577.74460.5497758284677.24~5S
8518.1537.05672.3498.10.5838159308974.14~5S
9017.9843.24777.6585.30.6588494340475.34~5S
9517.850.34895.86680.7268786374874.64~5S
10017.5758.71031.4772.80.849020415174.94~5S


drawing

Product Advantages

  1. Dual KV Selection: 440KV for higher efficiency long endurance, 500KV for faster response & stronger instantaneous thrust, flexible matching for different UAV demands.

  2. Large Torque & Stable Thrust: Max 7.8kg single-motor thrust, perfectly matched for medium-size heavy-lift multi-rotor drones.

  3. High Temperature Resistant Winding: Class H high-temperature enameled wire, anti-overheating & anti-demagnetization under long continuous heavy-load working state.

  4. Solid Structural Design: Standard 6mm output shaft, good shock resistance, low deformation under high-speed rotation.

  5. Precision Dynamic Balance Calibration: Low vibration & low noise during operation, extending overall drone service life.

  6. Wide Compatibility: Fits most mainstream heavy-duty brushless ESCs on market, easy installation & replacement.


Application Scenarios

  • Medium-volume agricultural pesticide spraying drone

  • Medium load logistics & cargo delivery UAV

  • Long-endurance aerial mapping & surveying drone

  • Custom medium-sized multi-rotor industrial heavy-lift UAV


Matching Recommendation

  • Propeller: 14-inch carbon fiber heavy-load propeller

  • ESC: 150A+ high-current heavy-duty brushless ESC

  • Battery: 6S lithium polymer battery pack

  • Frame: 55~60 inch medium multi-rotor UAV frame


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