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SPR17 Symphony
Season 2017
The game changer - The new concept
38 kW
Motor power
50 Nm
Torque
192 kgs
Total weight
Engine
Water-cooled KTM 690 single cylinder with 654 cm³ displacement
3D printed intake tract with intake manifold injection
Engine control unit: MoTec M400
Electronic circuit with ignition interruption
Fully sequential injection/ignition
Dry sump lubrication
Aluminum fuel tank
Weight optimization
Electronic clutch
Electronic throttle valve with variable map and auto-intermediate throttle
Gearbox
Power transmission via chain
Steel drive shafts
Differential: Drexler Formula Student
Customized translation
Suspension
V: Pullrod with KW-Formula Student damper (variably adjustable)
H: Pushrod with KW-Formula Student damper (variably adjustable)
Wheel suspension: Double wishbone made of CFRP
Optimized setting range
Improved access
Tire manufacturer: Hoosier
Rims: OZ Racing Centerlock
Steering: Self-developed steering gear
Electronics
CAN bus
Freely configurable HMI (Human Machine Interface)
Optimized cable routes (automotive standard)
Replaceable wiring harness
LV: 12V
XBee live telemetry and data logging
Self-developed traction control
Ergonomically optimized operation
Chassis
Hybrid monocoque
Aerodynamically and structurally optimized
Rear frame
Material: S235JR
Fire Wall: 1mm Aluminium
Crashbox: Aluminum honeycomb
Aero
Further developed aerodynamics package
Lap time gain: approx. 15%
Front & rear wing
Underbody
Downforce: 600N at 60km/h
DRS (Drag Reduction System) in the rear wing
More contact pressure thanks to side boxes
Aerodynamic stability when cornering
A racing car rarely drives alone.
All our vehicles