ET1
Its mission: reliability.
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 | |
| Length | 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 and 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 / 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. External oil tank required. 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 dinamics 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 |
