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Project
Car Name: Monsoon
Car Number: 8
Project Time: 25 months
Team Size: 15 members
Testing Miles: 180 miles
Project Cost: $205,000
Dimensions
Length: 4.99 m (196.5 in)
Width: 1.79 m (70.5 in)
Height: 1.01 m (39.7 in)
Wheelbase: 2.29 m (90.0 in)
Front Track: 1.27 m (50.0 in)
Rear Track: Single rear wheel
Ground Clearance: 0.24 m (9.3 in) minimum at body
0.10 m (4 in) at wheel fairings
Weight: 288 kg (635 lb) without driver
Weight Distribution: 67 % front / 33 % rear
Aerodynamics
Vehicle shape: Integrated Canopy Design with Splined Array Shape and Rounded Wheel Fairings
Frontal Area: 1.01 m^2
Cd: estimated 0.125
Chassis
Structural Construction/Materials: Pre-fabricated Fiberglass/Honeycomb composite sandwich boards, adhesively bonded with fiberglass and epoxy reinforcement. Welded steel tube roll cage structure adhesively bonded to frame.
Body Construction/Materials: Pre-preg Carbon Fiber/Polyurethane foam composite sandwich. Moldless construction using body plug to form inner foam sandwich.
Tires: Bridgestone Ecopia EP80, 115 psi
Wheels: NGM Machined Aluminum
Wheel Bearings: Champion 7205 Angular Contact, Ceramic Ball
Rolling Resistance: Crr: 0.003 to 0.008 over speed range
Front Brakes: MCP hydraulic calipers on steel cross-drilled disc
Actuation Method: MCP hydraulic master cylinder and foot pedal
Rear Brake: Magura hydraulic rim brake on motor wheel
Actuation Method: Magura hydraulic hand lever actuated by front brake pedal
Front Suspension: Machined aluminum A-Arms and suspension upright, Yarnell air spring/shock.
Rear Suspension: Trailing A-arm design, geometry identical to front suspension, Yarnell air spring/shock.
Steering: Steering wheel, Yarnell rack and pinion, Ackermann steering geometry.
Drivetrain
Motor/Controller: New Generation Motors EV-C200-092 Controller, SC-M150-08 Brushless DC Motor
Power: Maximum power output of 6.05 kW (8.1 hp)
Efficiency: Maximum system efficiency of 94%
Controls: Separate pedals/potentiometers for throttle and regenerative braking
Data Telemetry
Battery Data: Brusa BCM400 Watt-Hour Meter
Speed Data: Garmin GPS Receiver
Batteries
Battery Type: Concorde PVX-1234T AGM Lead Acid, 12 volts
# of Batteries: 8
Mass: 83.4 kg (184 lb)
Pack voltage: 96 volts nominal
W-hr capacity: 3100 W-hr at C/20 discharge rate
Solar Array
Solar Cell type: ASE GmbH TE16SF, rated efficiency of 15.4 to 15.8 %
Active Solar Array area: 7.365 m^2
Construction/encapsulation technique:
736.5 solar cells in 5 series strings
Tedlar / EVA laminate modules adhesively bonded to body
Laminate construction by SunCat Solar
Normalized array output: 1030 watts at 1000 watts/m^2, AM1.5, 25 deg. C
Measured array efficiency: 14.0 %
Maximum measured output: 1250 watts
Peak Power trackers: 5 Biel School MPPTnG A0401, Boost Type
Average Power Tracker Efficiency: 99%
Performance
Maximum Speed: 113 kph (70 mph)
Maximum Speed on Solar Power: 68 kph (42 mph)
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