Home > Product > Fixed-Wing Motors > T-MOTER AT3520 Long Axis AT Series Motors
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Fixed-Wing Motors

T-MOTER AT3520 Long Axis AT Series Motors

Product Number:FW3520
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These long-shaft brushless motors include KV550, KV720 and KV850 variants with 12N14P slot-pole structure. 218/219/221g units run on 3-6S LiPo, delivering steady 50A/70A/70A max current for medium heavy-load fixed-wing aircraft.
  • Motor dimensions

    43*65mm

  • Number of slots

    12N14P

  • Copper wire grade

    220℃

  • Shaft diameter

    5mm

  • Motor weight

    218g

  • Service life

    >1000h

Technical Specifications


AT3520 Basic Data
Parameter:Long Shaft KV550Maximum Power (180s):1300W/1100W
Motor Dimensions:43*65mmPhase-to-phase Internal Resistance:31m/20m/14m
Lead Specification:100mmSlot/Pole:12N14P
Shaft Diameter:5mmRated Operating Voltage (Lipo):4-6S
No-load Current (10V):1.1A/1.6A/2.0AMaximum Current (180s):50A/70A/70A
Maximum Continuous Power:250W/302W/284W



Basic Data
Maximum powerMaximum currentPullEfficiencyPropellerBatteryESC
KVWAg%/S
 KV550250W1.1A218g


KV720302W1.6A219g


KV850284W2.0A221g




test data
ModelPropellerAcceleratorVoltageCurrentPowerSpeedTorqueVoltagEfficiencyMotor Temperature
AT3520
KV550
/(%)(V)(A)(W)(RPM)(N.m)(g)(g/W)(℃)
APC
13*6.5
40.%22.494.96111.6148340.1629128.18   41
  
45.%22.476.00134.8151810.18710537.81
50.%22.457.26163.0855580.21512087.41
55.%22.438.88199.1759900.24913967.01
60.%22.3910.87243.4464040.29016196.65
65.%22.3513.47300.9068950.34018906.28
70.%22.3016.12359.4673130.38621405.95
75.%22.2519.27428.6777320.43824125.63
80.%22.1922.60501.4881190.49427115.41
90.%22.0630.77678.6289400.60732894.85
100.%21.9934.89767.1492520.66735754.66
APC
14*7
40.%22.495.15115.7944230.1859738.40   59
  
45.%22.466.71150.6648880.22411697.76
50.%22.438.50190.7453130.26814087.38
55.%22.3711.18250.1357850.32616896.75
60.%22.3413.70305.9861920.38019546.39
65.%22.2916.90376.7566640.44022475.96
70.%22.2320.26450.3670560.49825295.62
75.%22.1624.56544.3074540.57028635.26
80.%22.0829.20644.8378180.64632164.99
90.%21.9338.47843.5484810.77637874.49
100.%21.8344.28966.6387620.85441164.26
AT3520

KV720
APC
13*8
40.%18.477.46137.7448800.19410047.2954
45.%18.439.41173.4053030.23111946.88
50.%18.3911.90218.8557500.27714286.52
55.%18.3414.91273.4462370.32416586.06
60.%18.2818.61340.0766570.38319545.75
65.%18.2023.12420.9371620.44322495.34
70.%18.1527.05490.9475480.50025245.14
75.%18.0631.85575.1579180.55227684.81
80.%17.9637.82679.2583150.62130454.48
90.%17.7451.47912.9689770.77135393.88
100.%17.6258.901037.5892110.84536243.49
APC
14*7
40.%18.467.55139.3646850.20410767.7272
45.%18.429.99183.9951640.25413327.24
50.%18.3712.95237.9456570.30415836.65
55.%18.3116.51302.2361230.36418816.22
60.%18.2420.52374.3165650.42621855.84
65.%18.1625.43461.7870200.49325265.47
70.%18.0830.14544.9173800.55228175.17
75.%17.9935.37636.4077540.61431014.87
80.%17.8842.17754.0181300.69334574.58
90.%17.6655.71984.0687560.83240724.14
100.%17.5562.581098.2990140.89243163.93
AT3520

KV850
APC
13*6.5
40.%15.168.34126.5450010.1709537.5343
45.%15.1310.19154.2253640.19811067.17
50.%15.1012.09182.6457350.22912807.01
55.%15.0515.18228.4861680.26714946.54
60.%14.9918.54278.0165830.31217326.23
65.%14.9222.90341.7070730.36120085.88
70.%14.8726.29390.8474020.39722005.63
75.%14.7930.91457.1278160.44624575.38
80.%14.7135.89527.8981890.49226965.11
90.%14.5247.53690.1989380.59131914.62
100.%14.4154.65787.2991870.65435154.46
APC
14*7
40.%15.158.87134.3845780.19610217.6061
  
45.%15.1211.11167.9049370.23312147.23
50.%15.0614.47217.8554320.28214686.74
55.%14.9918.96284.0859280.34717856.28
60.%14.9223.03343.5663230.39520335.92
65.%14.8328.29419.6167460.45723235.54
70.%14.7533.09488.1870710.50725705.26
75.%14.6539.24574.9974350.56828524.96
80.%14.5645.23658.4477430.62431114.73
90.%14.3458.48838.8383180.73736074.30
100.%14.2266.32942.7185980.79738544.09


drawing

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