Weights and Moments
The following table shows the approximate weight of each of Sungropers systems,
together with the position (milimeters from the front of the car), which allows
us to work out the center of gravity and weights on each wheel.
What |
kg |
Number |
Weight |
Position |
|
|
|
|
|
Wheel Weights |
|
|
|
|
Front |
127.5 |
|
255 |
770 |
Rear |
|
|
138 |
2770 |
Total, COG |
|
|
393 |
1473 |
|
|
|
|
|
Driver Compartment |
|
|
|
|
Driver |
80 |
1 |
80 |
1270 |
Seat |
2 |
1 |
2 |
1250 |
Harness |
2 |
1 |
2 |
1760 |
Brake Handle |
0.5 |
1 |
0.5 |
1150 |
Brake peddle |
0.5 |
1 |
0.5 |
240 |
Brake Cylinder |
0.5 |
1 |
0.5 |
630 |
Roll Bar |
3.5 |
1 |
3.5 |
1800 |
|
|
|
|
|
Electrics |
|
|
|
|
Instrumentation |
0.5 |
1 |
0.5 |
950 |
Motor Controller |
4.5 |
1 |
4.5 |
2050 |
MPPTs |
0.8 |
5 |
4 |
1660 |
|
|
|
|
|
Front Wheels |
|
|
|
|
Top Wishbone |
0.85 |
2 |
1.7 |
960 |
Bottom Wishbone |
1.5 |
2 |
3 |
860 |
Shock Absorber |
2 |
2 |
4 |
860 |
Wheel Fork |
6.5 |
2 |
13 |
860 |
Wheel |
8.5 |
2 |
17 |
770 |
Brakes |
1 |
2 |
2 |
880 |
|
|
|
|
|
Rear Wheels |
|
|
|
|
Shock Absorber |
1.7 |
2 |
3.4 |
2730 |
Swing Arm |
5 |
1 |
5 |
2500 |
Wheel Cover |
0.1 |
1 |
0.1 |
2770 |
Wheel |
10 |
1 |
10 |
2770 |
Axle |
0.6 |
1 |
0.6 |
2770 |
Sprocket |
0.66 |
1 |
0.66 |
2770 |
Chain |
0.37 |
1 |
0.37 |
2600 |
Brakes |
1 |
1 |
1 |
2770 |
Motor |
7.7 |
1 |
7.7 |
2400 |
Motor Sprocket |
0.06 |
1 |
0.06 |
2400 |
Motor Mounting Plate |
0.76 |
1 |
0.76 |
2400 |
|
|
|
|
|
Steering |
|
|
|
|
Link |
0.4 |
2 |
0.8 |
760 |
Rod |
1.5 |
1 |
1.5 |
760 |
Wheel Pivot Arm |
0.675 |
1 |
0.675 |
940 |
Mechanism |
2.5 |
1 |
2.5 |
860 |
Wheel |
0.25 |
1 |
0.25 |
1050 |
|
|
|
|
|
Batteries |
|
|
|
|
Pack A&D |
35 |
2 |
70 |
1390 |
Pack B&C |
24 |
2 |
48 |
390 |
|
|
|
|
|
Frame |
40 |
1 |
40 |
1170 |
|
|
|
|
|
Rear Assembly |
11 |
1 |
11 |
3500 |
|
|
|
|
|
Solar Array |
10 |
1 |
10 |
3424 |
Large Rear Strings |
0.5 |
12 |
6 |
3424 |
Small Rear String |
0.5 |
4 |
2 |
3732 |
Front Strings |
0.5 |
4 |
2 |
1274 |
|
|
|
|
|
Shell |
|
|
|
|
Canopy |
8 |
1 |
8 |
1400 |
Nose cone |
3 |
1 |
3 |
250 |
Top Front |
2 |
1 |
2 |
1250 |
Top Back |
6 |
1 |
6 |
3450 |
Bottom |
8 |
1 |
8 |
2800 |
Sides Front |
0.5 |
2 |
1 |
1250 |
Sides Rear |
1 |
2 |
2 |
3450 |
|