Formula-type racecar has simple structure. There is nothing but something to race . Using in-wheel motor, the structure of this car was made more simple.
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Hiros 98e EV Racing car
EV Formula with twin in-wheel motors that drive each rear tire. Each motor same as Luciole outputs 36kW. It is called "98e" that means converted 1998 by Hiros research group Keio University. This EV was convered from fj1600 racecar, that category is the entry class of japanese motor sports using formula-car type racecar except kart.
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Front view Formula-type racecar has simple structure. There is nothing but something to race . Using in-wheel motor, the structure of this car was made more simple. |
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| Base car | make | Tokyo R&D F4/92(FJ1600) |
|---|---|---|
| year | 1992 | |
| Dimensions | length | mm |
| width | mm | |
| height | mm | |
| weight | seating cap. | 1 people |
| Curb weight(without outer skin) | 650kg (including batteries(310kg)) | |
| Performance | Maximum speed | ? km/h |
| Acceleration(0-400m) | ? sec. | |
| Motor/Inverter | Type | Permanent Magnet Synchronous |
| Max Torque | 77 Nm x 2 | |
| Max Power(3 min.) | 72 kw(98 PS) | |
| Max Rev. | 8700rpm | |
| Control type | PWM Inverter (Liquid cooled) | |
| Module type | IGBT | |
| Batteries | Type | Lead-Acid (Open type) |
| Current cap./ Voltage | 52Ah/12V(5 hours) | |
| Amount of capacity/Voltage | 12.5kWh / 240V | |
| Batteries' weight | 310kg | |
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