City-el
Posted by Bob Dold on Saturday, June 3, 2006 9:55 PM
Overview:
| Number of seats |
1+1 |
|||
| Maximum speed |
50 |
km/h |
32 |
mph |
| Range |
30-50 |
km |
19-32 |
miles |
| Price approx.. |
12 |
TDM |
9000 |
dollars |
Technical details:
Road performances and consumption:
| Consumption |
4-10 |
kWh/100 km |
| Max. climbing performance |
16 |
% |
Battery:
| Number of batteries |
3 |
Piece | |
| Total voltage |
36 |
V | |
| Capacity [ ah ] |
90/100 |
Ah C5 | |
| Battery manufacturer 90Ah |
Yuasa |
Trojan 30XHS AP | |
| Battery manufacturer 100Ah |
Versch. |
Motor:
| Rated output |
2,5 |
KW S2 | 3.35 | hp |
| Maximum performance |
3,5 |
KW | 4.69 | hp |
| Rated voltage |
36 |
V | ||
| Rated current |
90 |
A | ||
| Max. torque approx.. |
70 |
Nm |
51 |
Ft-lbs |
| Type |
GS/Comp |
|||
| Manufacturer |
Thrige titan |
|||
| Type |
TTL 140B |
|||
| Cooling |
Air |
Motor control:
| Type |
Pulse Width |
Modulation |
| Rated voltage |
36 |
V |
| Rated current |
275 |
A |
| Working frequency |
15 |
KHz |
| Manufacturer |
Curtis |
|
| Type |
1204X |
Power transmission:
| Number of transmission steps |
1 |
|
| Speed ratio approx.. |
7,2:1 |
|
| Transfer |
Poly V belt |
Battery charger
| Type | ||
| Rated output | W | |
| Charging time to 75 % |
3 |
Std |
| Charging time to 100 % |
8-9 |
Std |
Mass and weights:
| Length |
2741 |
mm |
9 |
Ft |
| Width |
1060 |
mm |
42 |
in |
| Height (hood closed) |
1260 |
mm |
49.61 |
in |
| Height (hood open) |
2380 |
mm |
94 |
in |
| Wheel base |
1810 |
mm |
71 |
in |
| Track width |
930 |
mm |
36.61 |
in |
| Turning circle |
8550 |
mm |
28 |
ft |
| Ground Clearance |
120 |
mm |
4.72 |
inches |
| Unloaded weight |
290 |
Kg |
640 |
lbs |
| Additional load |
110 |
Kg |
242 |
lbs |
| Admissible total weight |
400 |
Kg |
882 |
lbs |
Tire:
| Type |
80/70 -16 |
|
| Manufacturer |
Continental |
Brakes:
| Type |
3 |
Drum |
| Operation |
Hydraulically |
|
| Brake circuits |
2 |
in front/in the back |
Heating:
| Type |
Electrical |
|
| Amount of heat |
400+400 |
W |
| Blower |
2 |
Levels |
Configuration:
- Heater/Defroster
- Glass sliding roof
- Two outside mirrors
- H4 55/60W main headlight
- Windshield wiper and washer
Safety configuration:
- Three point inertia reel belt
- Roll bar
- Laminated glass windshield
- Safety glass side windows
- Energy absorbing body
Options:
- Radio console
- Loudspeaker installation console for roll bars
- Lap belt for protecting a child seat
- H-belt for child of 3-9 years + backrest for child
- Ashtray (Pfui!)
- Battery heating
- Soil mat
Body:
Plastic sandwich structure self-supporting
PURELY foam with PMMA+ABS bowl
City-El Driving resistances
Marco Reichel, a fellow " el " driver, has worked out a program for driving resistances, here the results.
Input data:
| Mass | 400 kg |
| Rolling friction number: | 0,01 |
| Air resistance number: | 0,3 |
| Frontal Area: | 1 m² |
| Wheel diameter: | 0,52 m |
Required power at the wheel in Watts as a function of speed with different gradients
|
km/h |
Ebene |
5 % |
10% |
15% |
20% |
|
10 |
113 |
658 |
1203 |
1748 |
2293 |
|
20 |
248 |
1338 |
2428 |
3518 |
4608 |
|
30 |
428 |
2063 |
3698 |
5333 |
6968 |
|
40 |
675 |
2855 |
5035 |
7215 |
9395 |
|
50 |
1013 |
3738 |
6463 |
9188 |
11913 |
|
60 |
1462 |
4732 |
8002 |
11272 |
14542 |
|
70 |
2046 |
5861 |
9676 |
13491 |
17306 |
