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Home > Product > Multi-Rotor Motors > BGS-EA4008 340KV 690KV 3KG Payload BLDC Motor for 15inch Drone
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Multi-Rotor Motors

BGS-EA4008 340KV 690KV 3KG Payload BLDC Motor for 15inch Drone

Product Number:EA4008
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Designed for multirotor UAV propulsion systems, BGS Motor’s high-performance brushless DC motors deliver high power-to-weight ratio, high-speed response, strong and stable torque, low vibration, and reliable long-life operation. The motors can be customized in size, voltage, speed, shaft, and mounting to match your UAV’s specific thrust and flight requirements, helping you achieve stronger propulsion, better flight stability, and higher overall efficiency.
  • Motor dimensions

    110.4*59mm

  • Number of slots

    /

  • Copper wire grade

    200℃

  • Shaft diameter

    10mm

  • Motor weight

    1320g

  • Service life

    ＞1000h

Technical Specifications


Basic Data
MODELKV Valuemaximum  powerMaximum  currentpullEfficiencyPropellerBatteryESC
BGS-EA4008KVWAgg/W/SA
340565.09 24.85 30565.41 18inch Folding paddle640 
390500.93 21.99 29355.86 16inch Straight blade640 
390527.89 23.42 26144.95 15inch Folding paddle640 
630567.36 37.90 29245.15 16inch Straight blade440 



test data
ModelacceleratorVoltagePulling ForceTorqueCurrentspeedPowerEfficiencyMotor temperature
BGS-EA4008
KV340
18inch Folding paddle		%VgN.mArpmWg/W℃
40%22.99 7000.16 3.29 267275.64 9.25 53
50%22.96 11290.25 5.47 3297125.59 8.99 
60%22.92 15450.34 8.47 3861194.13 7.96 
65%22.88 17350.39 10.34 4105236.58 7.33 
70%22.88 19610.44 12.43 4341284.40 6.90 
75%22.83 21490.49 14.45 4578329.89 6.51 
80%22.78 23730.52 16.61 4800378.38 6.27 
85%22.78 26330.58 19.16 4976436.46 6.03 
90%22.72 27770.62 21.78 5145494.84 5.61 
95%22.72 29430.65 23.52 5300534.37 5.51 
100%22.74 30560.65 24.85 5455565.09 5.41 
BGS-EA4008
KV390
16inch Straight blade		%VgN.mArpmWg/W℃
40%23.04 6190.12 2.38 348354.84 11.29 55
50%23.00 9980.19 4.43 4341101.89 9.79 
60%22.94 13760.25 6.89 5073158.06 8.71 
65%22.93 15510.28 8.19 5384187.80 8.26 
70%22.91 17520.32 9.88 5694226.35 7.74 
75%22.88 19390.35 11.51 6002263.35 7.36 
80%22.88 21320.38 13.33 6300304.99 6.99 
85%22.86 23480.42 15.52 6598354.79 6.62 
90%22.81 25590.46 17.62 6891401.91 6.37 
95%22.83 27540.49 19.83 7153452.72 6.08 
100%22.78 29350.52 21.99 7376500.93 5.86 
BGS-EA4008
KV390
15inch Folding paddle		%VgN.mArpmWg/W℃
40%22.84 6050.13 2.61 309959.61 10.15 54
50%22.79 8710.18 4.35 372999.14 8.79 
60%22.76 12010.25 6.83 4335155.45 7.73 
65%22.73 13750.29 8.42 4668191.39 7.18 
70%22.71 15760.33 10.62 4995241.18 6.53 
75%22.68 17380.36 11.94 5209270.80 6.42 
80%22.65 19120.40 13.88 5471314.38 6.08 
85%22.65 20950.44 16.03 5729363.08 5.77 
90%22.60 22790.48 18.37 5962415.16 5.49 
95%22.56 24460.51 20.82 6191469.70 5.21 
100%22.54 26140.55 23.42 6357527.89 4.95 
BGS-EA4008
KV630
16inch Straight blade		%VgN.mArpmWg/W℃
40%15.34 6600.13 4.04 320961.97 10.65 63
45%15.36 8250.17 5.63 356786.48 9.54 
50%15.31 10170.20 7.58 3951116.05 8.76 
55%15.29 11810.23 9.41 4247143.88 8.21 
60%15.25 13760.27 11.79 4569179.80 7.65 
65%15.25 15660.31 14.34 4868218.69 7.16 
70%15.20 17350.34 16.80 5118255.36 6.79 
75%15.19 19380.38 19.85 5400301.52 6.43 
80%15.14 21120.41 22.77 5670344.74 6.13 
85%15.09 23240.45 26.09 5898393.70 5.90 
90%15.07 25030.48 29.88 6100450.29 5.56 
95%15.02 26980.52 33.76 6308507.08 5.32 
100%14.97 29240.55 37.90 6464567.36 5.15 


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