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Tokai Challenger

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Tokai Challenger


Tokai Challenger is a solar car from the Japanese Tokai University. The Tokai Challenger became the winner of the 2011 and 2009 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 2998 km off in 29 hours 49 minutes and it took an average speed of 100.54 km/h.

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 off in 45 hours 5 minutes and it took an average speed of 90.1 km/h.

Length 4980 mm
Width 1640 mm
Height 930 mm
Weight 160 kg (with Battery, w/o Driver)
Track 1300 mm
Wheel Base 2100 mm
Cruising Speed 100 km/h (Solar Power only)
Maximum Speed 160 km/h (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 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

External links

  • (Japans) Official website of the team
  • (Dutch) , artikel in het Technisch Weekblad, 28 oktober 2009
  • (English) Technical details
  • Tokai University Team Equipped with Sharp Solar Cells Takes Part in Global Green Challenge Solar Car Race
  • Tokai University’s Solar Car Equipped with Sharp Solar Cells Wins Second Consecutive Victory in a Race in the Republic of South Africa
  • RS Supports Tokai University in the World Class Solar Car Race
  • (Japans) Report
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