system                           nominal    number    system
                                    mass                mass
loco / steering     
                    
          driving amps              0.30      4.00      1.20
          steering amps             0.30      2.00      6.00
          AC/DC (190 VDC)           3.00      1.00      7.00
          cable/conn                1.50      6.00      9.00
          subtotal                                     30.20

computing                     
          realtime                  5.00
          AC/DC                     3.00
          navigation                2.50
          AC/DC                     3.50
          cable/conn                1.00
          sub total                                    15.00

communications      
          radio modem               1.00
          antenna                   0.50
          AC/DC                     1.00
          radio bridge              0.65
          antenna                   0.15
          AC/DC                     1.00
          multiplexer               0.00
          AC/DC                     0.00
          pointing motors           0.50      2.00      1.00
          pointing amps             0.30      2.00      0.60
          AC/DC                     0.00
          sub total                                     5.90

imaging   
          front camera              0.00
          rear camera               0.00
          pano camera               0.00
          imaging computer          0.00
          AC/DC                     0.00
          cable/conn                0.00
          sub total                                     0.00

sensing   
          miscellaneous             0.00
          steering pots             0.40      2.00      0.80
          bogie pots                0.10      2.00      0.20
          stereo cameras            0.40      4.00      1.60
          laser scanner             1.50
          AC/DC                     2.00
          IMU                       1.00
          AC/DC                     1.50
          DGPS                      0.00
          AC/DC                     0.00
          compass                   2.00
          AC/DC                     2.00
          weather                   2.00
          science                   0.00
          cable/conn                4.00
          sub total                                    18.60

environment         
          coolers                   8.00      2.00     16.00
          fans                      0.30      4.00      1.20
          sub total                                    17.20

miscellaneous       
          lights                    0.00
          cable/conn                0.00
          sub total                                     0.00

power system        
          generator                47.00
          UPS                       9.00
          distribution             10.00
          transformer              12.00
          cable/conn               10.00
          sub total                                    88.00

total                                                 174.90