ET1 2008
ET1 is the first racing car designed and manufactured by the E-Team Squadra Corse. After only 9 months from the beginning of the project, the ET1 competed at the Formula SAE 2008 event in Fiorano (Italy) and achieved the first season goal: reliability.
Specifications
Model
Name:
ET1
Year:
2008
Colours:
Black, white and red
Dimensions
Lenght:
2910 mm
Width:
1383 mm
Height:
1286 mm
Mass:
280 kg
Wheelbase:
1600 mm
Front track:
1206 mm
Rear track:
1150 mm
Suspensions and tires
Suspension type:
Unequal length double wishbone with push-rod activated spring-dampers
Tires:
6.2/20 R13 Avon Compound A54
Rims:
7″, aluminium
Hubs:
FIAT components
Bearings:
FIAT components
Uprights:
7075-Al, three parts (front). 7075-Al, two parts (rear)
Spring dampers:
Marzocchi ROCO TST-R with 2 spring series
Anti-roll bars:
3 settings front and rear
Steering system:
Pinion-rack system
Brake system
Rotors:
Fixed cast iron 230mm diameter, mounted on aluminium hubs (front). Fixed cast iron 250mm diameter, differential mounted (rear)
Master Cylinder:
Tilton 13/16″ bore (front). Tilton 1″ bore (rear)
Calipers:
Tarox anticorodal 4-piston caliper, fixed (front). Tarox anticorodal 6-piston caliper, fixed (rear)
Frame
Frame construction:
Tubular space frame
Material:
ST37-4 steel round tubing 25mm dia and 25CrMo4 16 mm diameter
Joining method and material:
TIG welding
Bodywork
Bodywork:
Fiber glass
Engine
Model:
2008 Aprilia RX 5.5
Bore:
80 mm
Stroke:
55 mm
Cylinders:
2
Displacement:
550cc
Lubrification:
Dry sump with external oil tank and separate gearbox lubrication
Compression ratio:
12:1
Throttle Body / Mechanism:
36 mm, butterfly throttle actuation
Fuel Type:
98 RON
Fuel System:
indirect injection, 2 injectors
Cooling system:
One radiator with thermostatic controlled electric fans
Electronics
ECU (Engine Control Unit):
Walbro TDD – HPUH-1 formula SAE
GCU (Gear Control Unit):
DSP-based electronic control system for gear and clutch management, designed and developed by the E-Team
DLS (Data-logging System):
PC-like device-based electronic system for dynamic data monitoring and storage, designed and developed by the E-Team
UI (User Interface):
commands and indicators, designed and developed by the E-Team
Drivetrain
Clutch:
Wet multiple-disc, cable operated
Gearshift:
5-speed semiautomatic sequential gear, voice coil actuated
Differential:
Bacci LSD with custom housing design
Final ratio:
15/36
