ROSE (Racing on Solar Energy)

Designed and built entirely in-house by student team members, R.O.S.E. is Team Sunergy’s first cruiser-class entry and second solar vehicle to date. ROSE will be a four-wheeled, two-passenger vehicle capable of charging its batteries from its array as well as by traditional Electric Vehicle wall-charging ports. Engineered for racing, ROSE also satisfies safety, accessibility, and utility requirements featuring an electronic dashboard, speakers, cup-holders, cargo space, and of course a passenger seat.

Mechanical Specs:

  • Body & Chassis: carbon fiber aeroshell with lightweight honeycomb chassis
  • Suspension: Double wishbone suspension
  • Brakes: Double redundant hydraulic braking system, Regenerative Braking System
  • Tires: Bridgestone ECOPIA with ologic solar car tires
  • Roll cage: 1” OD 4130 chromoly
  • Safety:
    • 5-point harness on both driver and passenger seats
    • Aluminum honeycomb impact attenuator crush zones
    • Drape formed Polycarbonate windshield

Performance Stats:

  • Top speed: 75 mph
  • Range: 300 miles on a single charge (no solar input)
  • Charge Time (0-90% State of Charge): 4 hours from level 1 charging station, 1 hour from level 2
  • Peak cruising speed: 55 mph

Features:

  • Two Seats
  • Spacious interior
  • 2 Cupholders
  • 7” HD digital dashboard
  • Dedicated cargo area

Electrical Specs:

  • 900 Lithium-Ion 18650 Batteries with 13.2 kWh capacity, max power output of 11 kW
  • 326 SunPower monocrystalline solar cells with a max power output of 1250 W
  • 2x Mitsuba 3-phase PMAC brushless high-efficiency electric motors with a combined 13.4 Horsepower and 50 ft⋅lbs of Torque

Racing on Solar Energy — the evolution of ROSE and Appalachian’s solar vehicle team

Appalachian State University’s Team Sunergy unveils its Cruiser Class car, ROSE (Racing on Solar Energy), designed for 2018 competitions and beyond.

Source: Appalachian Today

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Photo by Chase Reynolds