SPR19 Holly

Season 2019

48 kW

Motor power

70 Nm

Torque

190 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
Electromechanical circuit with ignition interruption
Fully sequential injection/ignition
Wet sump lubrication
3D printed fuel tank
Weight optimization
Electromechanical 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: Direct Pushrod System with Öhlins shock absorber (variably adjustable)
H: Pushrod with Öhlins 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
WLAN live telemetry and data logging
Ergonomically optimized operation

Chassis

Hybrid monocoque
Structure- and weight-optimized
Rear frame
Material: Rustproof steel
Fire Wall: 1mm Aluminium
Crashbox: Aluminum honeycomb

Aero

Newly developed aerodynamics package
Lap time gain: approx. 15%
Front & rear wing
Side boxes improve flow to the radiators
Downforce: 360N at 60km/h
More downforce due to diffuser

A racing car rarely drives alone.