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Project
Car Name: Daedalus
Car Number: 8
Project Time: 22 months
Team Size: 12 members
Testing Miles: 630 miles
Project Cost: $128,000
Dimensions
Length: 5.23 m (205.9 in)
Width: 1.97 m (77.6 in)
Height: 0.92 m (36.2 in)
Wheelbase: 2.16 m (85.0 in)
Front Track: 1.49 m (58.5 in)
Rear Track: 0.21 m (8.4 in)
Min. Ground Clearance: 0.18 m (7 in) at tail
Weight: 363 kg (800 lb) without driver
Weight Distribution: 57 % front / 43 % rear
Aerodynamics
Vehicle shape: Flat bottom wing-section with bubble canopy.
Frontal Area: 1.03 m^2
Cd: estimated 0.19
Chassis
Structural Construction/Materials: Pre-fabricated Fiberglass/Honeycomb composite sandwich boards, adhesively bonded with fiberglass and epoxy reinforcement. Welded steel tube roll cage structure with integrated rear shock mount adhesively bonded to frame.
Body Construction/Materials: Moldless construction with Fiberglass/Honeycomb flat composite board structure, and wet-layup fiberglass weave over shaped styrofoam for outer aerodynamic surfaces.
Tires: Bridgestone Ecopia EP80, 115 psi
Wheels: NGM Machined Aluminum
Wheel Bearings: Champion 6205 Deep Groove, Ceramic Ball
Rolling Resistance: Crr: 0.003 to 0.008 over speed range
Primary Brakes: MCP hydraulic calipers on steel cross-drilled disc
Actuation Method: MCP hydraulic master cylinder and foot pedal
Secondary Brakes: Shimano bicycle brake on left rear wheel
Actuation Method: Shimano bicycle handbrake
Front Suspension: Steel A-Arms with aluminum upright, Yarnell air spring/shock.
Rear Suspension: Single centrally-mounted aluminum trailing arm, 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: Integrated throttle / regenerative braking system with single accelerator pedal / potentiometer
Data Telemetry
Battery Data: Brusa Watt-Hour Meter
Speed Data: Schwinn Bicycle Speedometer
Batteries
Battery Type: Delphi Lead Acid AGM / SLI, 12 volts
# of Batteries: 9
Mass: 146 kg (324 lb)
Pack voltage: 108 volts nominal
W-hr capacity: 4950 W-hr at C/3 discharge rate
Solar Array
Solar Cell type: Siemens Type II, 14.1 % nominal efficiency
Active Solar Array area: 7.70 m^2
Construction/encapsulation technique:
726 solar cells in 4 series strings
Tedlar / EVA laminate modules adhesively bonded to body
Laminate construction by SunCat Solar
Normalized array output: 1120 watts at 1000 watts/m^2, AM1.5, 25 deg. C
Measured array efficiency: 14.5 %
Maximum measured output: 1230 watts
Peak Power trackers: 4 Solectria MPT-150N, Boost Type
Average Power Tracker Efficiency: 96%
Performance
Maximum Speed: 113 kph (70 mph)
Maximum Speed on Solar Power: 61 kph (38 mph)
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