Tokai Challenger
# Tokai Challenger

Tokai Challenger is a solar car from the Japanese Tokai University. The Tokai Challenger became the winner of the 2009 and 2011 World Solar Challenge, a race for solar cars across Australia. The car is designed and tested in collaboration with students from Tokai University and several Japanese companies in the automotive industry.

The Tokai Challenger covered the 2,998 km (1,858 mi.) off in 29 hours 49 minutes and it took an average speed of 100.54 km/h (62 mph).

The Tokai Challenger also became a winner of the 2010 South African Solar Challenge recognized by the International Solarcar Federation (ISF) and the Fédération Internationale de l'Automobile (FIA), a race for solar cars across South Africa. It covered the 4061.8 km (2517 mi.) off in 45 hours 5 minutes and it took an average speed of 90.1 km/h (55 mph).

| Length | 4980 mm (199 in.) |
| - | - |
| Width | 1640 mm (65 in.) |
| Height | 930 mm (37 in.) |
| Weight | 160 kg or 352 lbs. (with Battery, w/o Driver) |
| Track | 1300 mm (52 in.) |
| Wheel Base | 2100 mm (84 in.) |
| Cruising Speed | 100 km/h (62 mph) (Solar Power only) |
| Maximum Speed | 160 km/h (100 mph) (estimated) |
| Solar Array | 2174 Compound Solar Cells, Output Power= 1.8 kW, Efficiency 30% (Sharp Solar) |
| MPPT | 24 Parallel Buck & Boost Circuits, Efficiency> 98%, (Mishinaki) |
| Motor | 97% Brushless DC Direct Drive Motor with 3 Phase Controller (Mitsuba) |
| Electro Magnetic Core | Iron Based Amorphous Core (Nippon Chemi-con) |
| Battery | 25 kg (55 lb.) Lithium Ion Battery (Panasonic) |
| Body & Wheels | Carbon Fiber Reinforced Plastics (CFRP) (GH Craft) |
| Tire | 95/80-R16 Radial (Michelin) |
| Brake | Hydraulic Disc and Regeneration Brake |
