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Manufacturers > Cheetah Motors and ESCs
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Cheetah A4120-7 Brushless Outrunner Motor
Item: 42 of 110  

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  No. of Cells:     4-6 Li-Poly  
  Kv:     530 RPM/V  
  Max Efficiency:     85%  
  Max Efficiency Current:     20 - 40A (>81%)  
  No Load Current:     2.0A @10V  
  Resistance:     0.041 ohms  
  Max Current:     65A for 60S  
  Max Watts:     1450Wfor 60S  
  Weight:     280 g / 9.8 oz  
  Size:     50 mm x 44 mm  
  Shaft Diameter:     6mm  
  Propeller:     Volts (V):     Amps (A):     Thrust (lbs):     Power (W):     Thrust Efficiency:  
  APC 17 x 10 E     12.3     52.2     7.25     642     .18 oz/W  
  APC 18 x 8 E     15.8     76.1     10.8     1203     .14 oz/W  
  RCGF 18 x 8     15.4     83.8     10.4     1291     .13 oz/W  
  APC 17 x 8 E     14.6     58.5     9.5     854     .18 oz/W  
  APC 15 x 8 E     20.1     61.1     10.2     1229     .13 oz/W  
  APC 14 x 8.5 E     19.5     58.9     8.8     1149     .12 oz/W  
  APC 11 x 5.5 E     23.5     30.7     5.1     723     .11 oz/W  
  APC 12 x 6 E     23.2     38.9     6.8     903     .12 oz/W  
  APC 13 x 4 E     23.3     33.1     6.11     772     .13 oz/W  
  APC 13 x 6.5 E     21.6     47     7.6     1015     .12 oz/W  
  APC 12 x 8 E     23     43.3     7.2     996     .12 oz/W  
  APC 14 x 7 E     19.2     49.4     8.9     949     .15 oz/W  
Comes with prop-adapter, x-mount, x-mount screws, male bullet connectors installed on motor, and a set of 3 female bullet connectors with shrink wrap.
Warning Do not run motor above the manufacturer limits. If running close to the limit, ensure that the motor achieves excellent cooling. Damage caused by over-amping the motor is not covered under manufacturer warranty.
Price: $63.95
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