Методика расчета тягово-скоростных свойств и топливной экономичности автомобиля на стадии проектирования. Вохминов Д.Е - 38 стр.

                                                                                                                                                        hdhgqZgb_lZ[ebpu
          1                                         2                                                      3                                                   4
                                                                                                                                                      
                         S hP =  +                         =  IZ S hP =  +                            =  IZ S hP =  +                        =  IZ
                                                                                                                                              
F_oZgbq_kdb_
khijhlb\e_gby         \                                   IZ ⋅ k                                    IZ ⋅ k                                                                    IZ ⋅ k 
^\b]Zl_e_             b E P =  +  ⋅  =           E P =  +  ⋅  =                                     E P =  +  ⋅  = 
                                                            jZ^                                       jZ^                                                                       jZ^ 
khijhlb\e_gby        hl
ijb\h^Z                           ⋅                                              ⋅                                             ⋅  
                         3Pτ =                 +  +                  3Pτ =                +  +                3Pτ =               +  +
\kihfh]Zl_evgh]h                       π                                                       π                                                    π
h[hjm^h\Zgby                               ⋅ 
                                                           
                                                                                             ⋅  
                                                                                                                  
                                                                                                                                                   ⋅  
                                                                                                                                                                       
                                                                                                                                                                           
                          + ( + )                  ⋅        =  G + ( +  )                  ⋅       =  G + ( +  )                 ⋅      =  G
                                           ⋅      
                                                            
                                                                                             ⋅      
                                                                                                                   
                                                                                                                                                   ⋅      
                                                                                                                                                                        
                                                                                                                                                                           

M^_evguc
bg^bdZlhjguc jZkoh^                gis = 5,8                                   gis = 4,5                                   gis = 4,5
lhieb\Z
Wnn_dlb\gZy                                                          ⋅  ⋅  
                         ⋅  ⋅                                                                   ⋅  ⋅                 
Fhsghklv^\b]Zl_ey 1H =                       ⋅ ⋅ − 1H =                      ⋅ ⋅ − 1H =                     ⋅ ⋅ −
                                                                                                                    
 ^eykijZ\hdb
khihklZ\e_gbc
                                                                                           π  
                                                                                                   
                                            π                                                                               π  
                                                                                                                                          
                           − −          =                − −            =            − −           =
                                                                                                                         
                           =  d