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Home > Product > Multi-Rotor Motors > BGS-EA505 150KV 260KV 320KV High-quality drone motors for 21inch UAV
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Multi-Rotor Motors

BGS-EA505 150KV 260KV 320KV High-quality drone motors for 21inch UAV

Product Number:EA505
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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

    55.6*34mm

  • Number of slots

    24N28P

  • Copper wire grade

    200℃

  • Shaft diameter

    4mm

  • Motor weight

    249g

  • Service life

    >1000h

Technical Specifications


Basic Data
MODELKV Valuemaximum  powerMaximum  currentpullEfficiencyPropellerBatteryESC
BGS-EA505KVWAgg/W/SA
1501454.98 30.67 72254.97 22inch Straight blade1260 
1501761.49 37.17 70574.01 22inch Folding paddle1260 
2601866.85 39.41 71963.85 16inch Straight blade1280 
2601667.41 35.17 63763.82 15inch Straight blade1280 
3201473.48 64.26 56343.82 21inch Straight blade660 
3201456.80 63.56 54923.77 22inch Straight blade680 
3201552.66 67.95 57193.68 22inch Folding paddle680 



test data
ModelacceleratorVoltagePulling ForceTorqueCurrentspeedPowerEfficiencyMotor temperature
BGS-EA505
KV150
22inch Straight blade		%VgN.mArpmWg/W℃
40%47.80 15690.52 2.89 2555138.14 11.36 55
45%47.78 20070.65 4.14 2888197.81 10.15 
50%47.75 24320.78 5.47 3204261.19 9.31 
55%47.74 29100.94 7.17 3474342.30 8.50 
60%47.71 33901.09 8.87 3709423.19 8.01 
65%47.66 37821.21 10.47 3927499.00 7.58 
70%47.68 42451.37 12.55 4173598.38 7.09 
75%47.65 48541.58 15.19 4387723.80 6.71 
80%47.61 53931.76 17.85 4604849.84 6.35 
85%47.55 58511.95 20.66 4811982.38 5.96 
90%47.54 63522.18 23.95 49911138.58 5.58 
95%47.48 68172.39 27.20 51591291.46 5.28 
100%47.44 72252.62 30.67 53001454.98 4.97 
BGS-EA505
KV150
22inch Folding paddle		%VgN.mArpmWg/W℃
40%47.76 20120.78 4.13 2407197.25 10.20 55
45%47.72 24750.95 5.63 2693268.66 9.21 
50%47.72 29921.17 7.57 2958361.24 8.28 
55%47.72 35001.40 9.83 3204469.09 7.46 
60%47.69 40561.65 12.34 3411588.49 6.89 
65%47.64 44651.84 14.64 3615697.45 6.40 
70%47.60 48512.02 16.82 3792800.63 6.06 
75%47.56 53642.28 19.95 3979948.82 5.65 
80%47.55 58242.55 23.21 41321103.64 5.28 
85%47.51 62052.84 26.82 42901274.22 4.87 
90%47.46 65453.12 30.16 43821431.39 4.57 
95%47.42 68243.39 33.53 44741589.99 4.29 
100%47.39 70573.69 37.17 45551761.49 4.01 
BGS-EA505
KV260
16inch Straight blade		%VgN.mArpmWg/W℃
40%47.74 15130.39 4.13 4784197.17 7.67 60
45%47.74 18340.47 5.41 5293258.27 7.10 
50%47.76 21890.53 6.72 5741320.95 6.82 
55%47.72 25660.62 8.48 6217404.67 6.34 
60%47.66 29530.78 11.44 6704545.23 5.42 
65%47.67 35020.80 12.71 7213605.89 5.78 
70%47.64 39590.91 15.39 7707733.18 5.40 
75%47.58 44701.03 18.58 8210884.04 5.06 
80%47.55 50211.16 22.12 86941051.81 4.77 
85%47.52 56131.30 26.19 91591244.55 4.51 
90%47.47 61871.44 30.39 95901442.61 4.29 
95%47.41 66421.56 34.33 99701627.59 4.08 
100%47.37 71961.72 39.41 103821866.85 3.85 
BGS-EA505
KV260
15inch Straight blade		%VgN.mArpmWg/W℃
40%47.78 12460.34 3.67 4855175.35 7.11 60
50%47.76 18230.47 5.95 5835284.17 6.42 
60%47.72 25090.61 9.09 6822433.77 5.78 
65%47.68 29230.70 11.32 7349539.74 5.42 
70%47.65 33430.79 13.60 7848648.04 5.16 
75%47.62 38390.90 16.53 8370787.16 4.88 
80%47.57 43651.01 19.76 8874939.98 4.64 
85%47.54 48701.13 23.24 93591104.83 4.41 
90%47.50 53261.24 26.79 98101272.53 4.19 
95%47.44 58211.35 30.53 102331448.34 4.02 
100%47.41 63761.49 35.17 106661667.41 3.82 
BGS-EA505
KV320
21inch Straight blade		%VgN.mArpmWg/W℃
40%23.52 20910.93 10.92 2645256.84 8.14 63
50%23.45 28641.30 17.90 3079419.76 6.82 
60%23.39 36391.73 26.91 3471629.42 5.78 
65%23.31 40071.95 31.87 3643742.89 5.39 
70%23.26 43052.15 36.68 3798853.18 5.05 
75%23.20 46332.37 42.17 3935978.34 4.74 
80%23.11 50072.65 48.32 40231116.68 4.48 
85%23.05 52002.85 53.31 41201228.80 4.23 
90%22.99 54393.10 59.32 42011363.77 3.99 
95%22.92 54923.28 63.56 42391456.80 3.77 
100%22.93 56343.29 64.26 42731473.48 3.82 
BGS-EA505
KV320
22inch Straight blade		%VgN.mArpmWg/W℃
40%23.52 20910.93 10.92 2645256.84 8.14 63
50%23.45 28641.30 17.90 3079419.76 6.82 
60%23.39 36391.73 26.91 3471629.42 5.78 
65%23.31 40071.95 31.87 3643742.89 5.39 
70%23.26 43052.15 36.68 3798853.18 5.05 
75%23.20 46332.37 42.17 3935978.34 4.74 
80%23.11 50072.65 48.32 40231116.68 4.48 
85%23.05 52002.85 53.31 41201228.80 4.23 
90%22.99 54393.10 59.32 42011363.77 3.99 
95%22.93 56343.27 63.26 42391450.55 3.88 
100%22.92 54923.26 63.56 42731456.80 3.77 
BGS-EA505
KV320
22inch Folding paddle		%VgN.mArpmWg/W℃
40%23.53 22111.01 10.92 2425256.95 8.60 65
45%23.51 25951.22 14.26 2629335.25 7.74 
50%23.45 29901.42 17.96 2836421.16 7.10 
55%23.41 33981.67 22.59 3031528.83 6.43 
60%23.31 38511.93 27.88 3199647.55 5.95 
65%23.26 42252.20 33.30 3360774.56 5.45 
70%23.19 45682.47 39.01 3494904.64 5.05 
75%23.14 48702.74 44.78 36061036.21 4.70 
80%23.05 51263.00 50.48 37001163.56 4.41 
85%23.00 53523.26 56.32 37851292.60 4.14 
90%22.96 55723.52 62.31 38711428.15 3.90 
95%22.92 56223.77 66.65 38641523.62 3.69 
100%22.85 57193.79 67.95 39171552.66 3.68 


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