Home > 2014 Regulations, Formula 1 2014 > 2014 Engine – Drivetrain regulation changes

2014 Engine – Drivetrain regulation changes


     2014 is a season introducing the most extreme engine regulation changes seen for the last two decades . The new hybrid turbocharged engine types and drivetrain systems  are less dependant on fuel cinsumption, able to harvest and exploit larger amounts of wasted energy from gases and braking , but produce in total the same power output like the previous units. Furthermore are more compact  but with greater cooling needs, two opposite trends for car designers, the first allowing a reduced rear bodywork while the second enlarged cooling sidepod radiator inlet surfaces.

  The tables below summarize some key spots between the current and the former configuration

2013 Engine unit

2014 Engine unit

Supercharging is forbidden.

single stage compressor with single stage exhaust turbine

Number of cylinders

8  , V configuration

6 , V configuration

Cylinder angle

90-degree

90-degree

Capacity  (maximum)

2.400 cc

1.600 cc

Engines Revs (maximum)

18.000 rpm

15.000 rpm

Inlet and exhaust valves

2 inlet and 2 exhaust valves

2 inlet and 2 exhaust valves

Fuel consumption

No limitation

100 kg maximum and further restrictions

Piston bore

98 mm

fixed to 80 mm

Engine internal architecture

new restrictions

Engine materials

new restrictions

Engine mountings

new restrictions

Dimensions

more compact

overall weight

minimum of 95kg.

minimum of 155kg.

Cooling needs

Larger

Power output

around 740 bhp

around 600 bhp

Renault-2014-F1-Power-Unit-8[2]

2013 Energy recovery System

2014 Energy recovery System

Overall energy capacity

greater

Battery pack

no limitation

must be single

KERS

existent

existent

Thermal Energy Recovery System (TERS).

absent

Introduced

Released and harvested energy

more restrictions

total weight

no less than 20kg and must not

exceed 25kg.

Power output

Around 80 bhp

Around 160 bhp

2013 Gearbox

2014 Gearbox

Gears maximum number

7 forward

8 forward

Gear ratio

new restrictions

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