Crazy Motor
Product Details
8120 KV115/KV105
Model: 8120 KV115/KV105
Weight: 680g
Kv: 115/105
Color: Black
Brand: Crazy Motor
Max Power: 3.4kw
Max Efficiency: 91.39%
Product List

8120 BLDC Motor for Agriculture spraying Drone

Specification:

Motor  Model 产品编码:YP8120A
RPM/V  (KV Value):105RPM/V or 115RPM/V;
Weight  with Lead wires 重量含引出线:680g;
Motor  Diameter直径:Φ91.0mm
Motor  Length长度:46.0mm
Diameter  of Shaft 轴径:IN:Φ12mm ; OUT:Φ6mm
Propeller  mounting holes(Pitch, Size) 桨安装孔距Φ31mm&4-M3,Φ32mm&4-M4,Φ36mm&4-M3
Motor  mounting holes(Pitch, Size) 电机安装孔距Φ40mm&4-M4;  Φ72.2mm&4-M4
Slots,Poles  No. 槽,极数36,42
Motor  Free load Current @ 44.4V 电机空载电流KV105: 2.5 A Max; KV115:  3.2 A Max
Motor  efficiency 电机效率KV105:91.39%; KV115:90.99%
Winding  Resistance of stator 定子线圈电阻KV105:35mOhm; KV115:32mOhm
Turn to turn insulation performance of stator winding(Surge  Test)定子线圈匝间绝缘性能:800V/DC,Waveform≤10%
Withstanding  voltage and insulation performance of motor(Hi-Pot Test) 电机绝缘耐压性能:600V/AC/3Sec,leakage  current<0.5mA
Rated  Voltage 额定电压:44.4V(12S Lipo)
Bursts  Current(30s) 最大电流:90A
Peak  Power(30s) 峰值功率:3396W
Max  temperature of motor surface(100% throttle with propeller run for ten minutes  ) 电机温升KV105:67.4℃&30*95;62.8℃&30*80; 57.2℃&28*80
KV115:73.2℃&30*95; 72.4℃&30*80; 64.5℃&28*80
Temperature  resistance of motor(30S) 电机耐温性150℃ Max
Max  ambient temperature of working 最大工作环境温度80℃(Not recommended)
Lead  wire 引出线14AWG,200℃,100mm
Recommended  ESC 推荐调速器80 or 100A HV
Recommended  Propeller& Max Thrust
   推荐螺旋桨配置&最大拉力
KV105: 30*95&15.17Kg;30*80&14.10Kg;28*80&13.14Kg
KV115:30*95&16.64Kg;30*80&15.84Kg;28*80&14.53Kg
Propeller  adapters 桨适配器Yes
Centrifugal  fan 离心风扇Yes
Dynamic  balanced rotor 动平衡转子Yes
High  heavy design 大负载设计Yes
Design  of motor shaft looseness  电机轴防松设计Yes
Water  & duty proof 防水、防尘Yes(IP34)
Maintenance  free in warranty 保修期内免费维修Yes
Take off Weight of Quad-copter(for 30*95 or 30*80 or 28*80  propeller) 四旋翼起飞重量(带30*95或30*80或28*80螺旋桨)KV105:24-28Kg;  KV115:26-30Kg;
Take off Weight of Hex-copter (for 30*95 or 30*80 or 28*80  propeller) 六旋翼起飞重量(带30*95或30*80或28*80螺旋桨)KV105:36-42Kg;  KV115:40-46Kg;
Take  off Weight of Oct-copter (for 30*95 or 30*80 or 28*80  propeller)八旋翼起飞重量(带30*95或30*80或28*80螺旋桨)KV105:48-54Kg;  KV115:56-60Kg;

Performance:


Item
   项目
Voltage(V)Propeller
   螺旋桨
Throttle(%)油门Thrust(g)
   拉力
Current(A)
   电流
Power(W)
   功率
Effciency(g/W)
   效率

YP81A  

(KV105)

44.4

(12S Lipo)

30*95(Straight)50%45208.939511.44
60%686016.27199.54
70%962026.511778.18
85%1502051.022646.63
100%1517051.823006.60
30*80(Folding)50%39209.04009.81
60%587016.37248.11
70%874027.312127.21
85%1375050.822566.10
100%1410052.123136.10
28*80(Folding)50%38108.336910.34
60%591015.16708.82
70%853024.911067.72
85%1278046.120476.24
100%1314048.121366.15

YP8120A  

(KV115)

44.4

(12S Lipo)

30*95(Straight)50%513010.948410.60
60%753018.88359.02
70%1083031.814127.67
85%1635062.527755.89
100%1664063.128025.94
30*80(Folding)50%454010.94849.38
60%703019.38578.20
70%1012033.114706.89
85%1560062.527755.62
100%1584063.828335.59
28*80(Folding)50%421010.14489.39
60%655017.67818.38
70%923028.112487.40
85%1425053.823895.97
100%1453057.525535.69

Dimension:

Testing Curve:



Quality Control:

QQ截图20180429221718副本_副本.jpg