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                    Brushless
                                 - Outrunner Motor 
                              
                    U3520
                                  Specification 
                     
                    
                                 
                                  
                                
                        Ideal to work
                            with 50A or 60A ESC
                     
                     
                    
                      
                        
                          | Part No. | 
                          No.
                                  Of cells | 
                          RPM/V | 
                          Max.
                                  efficiency 
                                  current | 
                          NoLoad 
                                  current / 10 V | 
                          Current 
                                  capacity | 
                         
                        
                          | Ni-MH | 
                          Li-Poly | 
                         
                        
                          | U3520/6 | 
                          8-20 | 
                          3-7 | 
                          840
                                  KV | 
                          18-40A
                                  (>75%) | 
                          2.1
                                  A | 
                          50A/60
                                  s | 
                         
                        
                           
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                          | Part No. | 
                          Max.
                                  efficiency | 
                          Shaft
                                  diameter (mm) | 
                          Weight
                                  with cables | 
                          Internal
                                  Resistance | 
                          Dimensions
                                  (mm) | 
                         
                        
                          | U3520/6 | 
                          82% | 
                          5 mm | 
                          200
                                  g | 
                          50
                                  mOhm 
                                 | 
                          42
                                  x 47 | 
                         
                        
                           
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                          | Part
                                  No. | 
                          Recomended model
                                    weight | 
                          Recommended prop
                                  without gearbox | 
                         
                        
                          | U3520/6 | 
                          1500 - 2800 g | 
                          12
                                  cell 
                                  12"x6" | 
                          4s 
                                   12"x6" 
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