Formula-E Machine
Spark-Renault SRT_01E
Overview
The Spark-Renault SRT_01E is the first car to be homologated by
the FIA. Using the very latest technology, the zero emission SRT_01E
aims to stretch the boundaries of what is currently achievable in
electric motorsport, whilst ensuring a balance between
cost-effectiveness and sustainability, in addition to coping with the
demands of racing entirely on street circuits.
It has been built by new French company Spark Racing Technology, led
by the renowned Frédéric Vasseur, together with a consortium of some of
the leading companies in motorsport. Italian firm Dallara, who boast
more than 40 years' motorsport experience, have constructed the
monocoque chassis, aerodynamically designed to aid overtaking. Made from
carbon fibre and aluminium, the chassis is both super lightweight and
incredibly strong and fully complies with the latest FIA crash tests -
the same used to regulate Formula One.
Providing the electric powertrain and electronics is McLaren
Electronics Systems, the world leader in high-performance technology for
motorsport. Meanwhile, Williams Advanced Engineering, part of the
Williams group of companies that includes the world famous Williams F1
Team, will supply the batteries producing 200kw, the equivalent of
270bhp. This will be linked to a five-speed paddle shift sequential
gearbox, supplied by Hewland, with fixed ratios to help reduce costs
further.
Overseeing all the systems integration will be the Championship's
Technical Partner Renault, a leader of electric vehicles and an expert
in motorsport thanks to its Renault Sport Technologies and Renault Sport
F1 programmes. Specially designed 18" treaded tyres will be supplied by
Official Tyre Partner Michelin, capable of providing optimum
performance in both wet and dry conditions.
The amount of energy that can be delivered to the MGU by the RESS is limited to 28kwh. This will be permanently monitored by the FIA.
At high speed the sound produced by one SRT_01E will be approximately 80 decibels, more than an average petrol road car which produces around 70db.
Drawing upon its many years’ of experience, Michelin has developed a bespoke 18-inch treaded tyre that is unique to Formula E and usable in both wet and dry conditions. Michelin will supply tyres that will not only deliver exciting racing but also cope with the demands of the abrasive street circuits and all-weather conditions.
To aid with sustainability and cost-saving, the Michelin tyres will also be extremely durable and able to last throughout an entire race event. As such, each driver will be supplied with just five new front tyres and five new rear tyres.
Michelin is the world's largest tyre manufacture and as well as
boasting a long and impressive motorsport pedigree, it is also highly
committed to sustainable mobility and improving safety on our roads.
Specification
Design
- Aerodynamics optimized to facilitate overtaking
- High ride height sensitivity and wide range of suspension set up possibilities to tackle the city centre streets
- Cost effectiveness
- Compliant to FIA safety regulations
Technology
- Use of latest technology, pushing the boundaries for the future
- Compromise between performance and cost effectiveness wherever possible
- Extensive use of composite materials but limited usage of the most expensive carbon fibres
Dimensions
- Overall length: 5000mm (max)
- Overall width: 1800mm (max)
- Overall height: 1250mm (max)
- Track width: 1300mm (min)
- Ride Height: 75mm (max)
- Minimum weight (inc driver): 888kg (batteries 320kg)
Power
- Maximum power: 200kw, equivalent to 270bhp
- Race mode (power-saving): 150kw, equivalent to 202.5bhp
- FanBoost (race-only): Temporarily increases max power from 150kw to 180kw. (Increase of 30kw / 40.5bhp)
The amount of energy that can be delivered to the MGU by the RESS is limited to 28kwh. This will be permanently monitored by the FIA.
Performance
- Acceleration: 0 - 100 km/h (0-62mph) in 3 secs
- Maximum speed: 225 km/h (150mph)
Power unit
- MGU by McLaren
- Maximum of two MGU's allowed
- MGU's must be linked only to the rear axle
- The use of traction control is forbidden
Traction battery
- The traction battery is a Rechargeable Energy Storage System (RESS) and supplies electric energy to the Power Circuit and thus to the traction motor. Any onboard battery electrically connected to the Power Circuit is considered to be an integral part of the vehicle's traction battery
RESS
- A Rechargeable Energy Storage System (RESS) is a system that is
designed to propel the car via the electric motor. In order to comply
they must be:
- FIA Standard
- The maximum weight of the Battery Cells and/or Capacitor of the RESS must not be higher than 200kgs
- All Battery Cells must be certified to UN Transportation Standards as a minimum requirement
Chassis
- Chassis / Survival cell - Carbon/aluminium honeycomb structure made by Dallara
- Front and rear wing - Carbon structures and Aero styling by Dallara
- Bodywork - Carbon - Kevlar honeycomb structures made by Dallara
Gearbox
- Hewland paddle-shift five-speed sequential gearbox
- Fixed gear ratios to reduce costs
Brakes
- Standard two separate Hydraulic systems, operated by the same pedal
- Brake material is free choice
- Calipers; the section of each caliper piston must be circular
The body of the callipers must be made from aluminium alloy
Wheels & tyres
- Bespoke 18" treaded Michelin tyres for use on both wet and dry conditions/surfaces
- Championship specific wheel dimensions
- O.Z. Racing Magnesium rims. Max width front - 260mm / rear 305mm. Max Diameter - front 650mm / rear 690mm
Electronics
- McLaren Electronics ECU/GCU including data logging system
- Power supply management unit
- CAN data acquisition pre-equipment
- FIA Marshalling system
- Beacon receiver
- Telemetry is not permitted
Suspension
- Double steel wishbones, pushrod operated, twin dampers and torsion bars suspension (front) and spring suspension (rear)
- Adjustable ride height, camber and toe
- Two way (front) / Four way (rear) adjustable Koni dampers
- Adjustable anti-roll bar (front/rear)
Steering system
- Non assisted rack and pinion steering system (power assistance is allowed)
- Steering wheel with dashboard, marshalling display, gear change and clutch paddles
Safety
- FIA safety standards including: front, side, rear and steering column impact tests
- Front and rear roll hoop, impact structures and monocoque push tests
- Anti-intrusion survival cell protection panels
- Wheel retainer safety cables
- Extinguisher system (electronically operated)
Sound
Formula E knows that the noise of any racing car is very important to its fans, which is why the sound of the new Spark-Renault SRT_01E will be one of the championship's most unique and exciting features. Contrary to popular belief, the Formula E cars are far from silent producing a modern, futuristic sound, combined with the fusion of the tyres on the track, the car's aero package and the electric drivetrain itself.At high speed the sound produced by one SRT_01E will be approximately 80 decibels, more than an average petrol road car which produces around 70db.
Tyres
Tyres are one of the most crucial elements in modern day motorsport which is why Formula E has chosen leading French company Michelin as its Official Tyre Partner for the first three seasons.Drawing upon its many years’ of experience, Michelin has developed a bespoke 18-inch treaded tyre that is unique to Formula E and usable in both wet and dry conditions. Michelin will supply tyres that will not only deliver exciting racing but also cope with the demands of the abrasive street circuits and all-weather conditions.
To aid with sustainability and cost-saving, the Michelin tyres will also be extremely durable and able to last throughout an entire race event. As such, each driver will be supplied with just five new front tyres and five new rear tyres.
Safety
As with all FIA championships, safety remains of paramount importance to Formula E in all aspects from the Spark-Renault SRT_01E car, right through to promoting good driving practices to fans.The SRT_01E itself will comply with the 2014 FIA safety standards - the same used to regulate Formula One - and will feature safety measures such as carbon fibre front and rear impact structures, Diolen anti-intrusion side panels, cockpit head surround protection and wheel tethers. It will also undergo front, side, rear and steering column impact tests together with front and rear roll-hoop impact structure and monocoque push tests.
Safety
- FIA safety standards including: front, side, rear and steering column impact tests
- Front and rear roll hoop, impact structures and monocoque push tests
- Anti-intrusion survival cell protection panels
- Wheel retainer safety cables
- Extinguisher system (electronically operated)
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