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Design Spec SheetV1.0
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University Namexxx
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Team Namexxx
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Car Numberxxx
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Overall Dimensions
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Lengthmm(outermost points)
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Widthmm(outermost points)
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Heightmm(outermost points)
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Wheelbasemm
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Track Frontmm
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Track Rearmm
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Mass Props
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Wet weight w/o driverkgincluding fuel, lubricants, etc.
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Weight Distribution /w driver% Front
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Weight Distribution /w driver% Left
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CoG Height /w drivermmabove ground
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Wheels & Tires
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Rim Diameterinch
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Rim MaterialHybrid: e.g. CFRP rim with aluminium Center
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Tire Diametermmoutside diameter
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Tire Widthmm
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Tire Make & Compounde.g. Hoosier LC0
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Fastening MethodInside hole circle: e.g. production cars
outside hole circle: e.g "centerless" rims
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Propulsion (IC)
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Engine Positionusually rear
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Engine Orientation (crank)
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Engine Makee.g. Yamaha
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Engine Displacementccm
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Number of Cylinders
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Fuel Type
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Peak PowerkW
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…at speedrpm
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Peak TorqueNm
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…at speedrpm
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ECU Manufacturere.g. OEM, MoTec,…
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ECU Model
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Injection Typemulti stage: e.g. high/low mount injectors
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Aspiration
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Throttle Body
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Propulsion (IC - Hybrid)
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Hybrid system architectureP0: belt driven; P1: on crankshaft; P2: GBX input; P3: GBX output/diff; P4: wheel
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Number of E-motors
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Type of E-motor
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Total hybrid system powerkW
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Energy storage system
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Energy storage capacityWh
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Propulsion (EV)
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Battery Chemistrye.g. LiFePo4
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Battery Nominal VoltageV
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Battery Nominal CapacitykWh
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Battery Architecture S-Numbere.g. 60S4P: 60
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Battery Architecture P-Numbere.g. 60S4P: 4
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Number of Motors
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Motor Position Rear
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Motor Position Front
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Peak System Power kWUse the lowest limit (Battery, Motors, Power Modules), ignoring the 85kW limit
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Peak Motor RPMrpmmaximum no-load speed
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Peak torque untilrpmPMSM: usually the Corner Speed
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Motor Type
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Runner type
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Number of Motor Phasesuse highest number if different motors are used
use 1 for DC motors
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Inverter Base FrequencykHzInverter switching frequency
use peak frequency in variable frequency system
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Drivetrain
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Number of driven wheels
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Rear Differential Typedirect drive: one motor per wheel
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Gearbox typemulti planetary = "automatic" gearbox
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Number of Gearsnumber of discrete ratios; CVT = -1
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Theoretical Top Speedkm/hIC: in Final Gear @ max Power RPM
EV: @ nominal RPM
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Gearbox ActuationHydraulic: electronic controlled high pressure hydraulics
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Clutch ActuationHydraulic: electronic controlled high pressure hydraulics
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Chassis & Ergonomics
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Chassis TypeHybrid: multiple major sections, e.g. monocoque with rear frame
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Adjustable Steering Wheel
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Adjustable Seat
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Adjustable Pedals
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Chassis Torsional Stiffnes Nm/degbetween front and rear suspension (hub to hub)
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Bare Frame Weightkgincluding roll hoops and bracings
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Suspension
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Front Suspension Geometry
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Rear Suspension Geometry
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Spring/Damper Actuation Front
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Spring/Damper Actuation Rear
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ARB Type Frontselect "other" for mode seperated suspensions
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ARB Type Rearselect "other" for mode seperated suspensions
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Total Roll Stiffnessdeg/gsprung mass roll angle against ground @ 1g lat. acceleration
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Steering Ratio (around center)deg @steering wheel / deg @upright
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Caster Angle Frontdeg
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KPI Angle FrontdegKPI Angle = King Pin Inclination Angle
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Mechanical Trail Frontmma.k.a. caster trail