Power units
A rule change has been made to prevent drivers stockpiling spare power unit elements. During any single event, if a driver introduces more than one of a power unit element that is subject to a grid penalty, only the last element fitted may be used at subsequent events without further penalty.
A number of changes have also been introduced aimed at reducing power unit costs, guaranteeing supply for customer teams, and closing the performance gap between engines:
- the power unit price for customer teams has been reduced by €1m per season compared to 2016.
- to ensure the supply of power units to customer teams, the homologation procedure now includes an ‘obligation to supply’ that is activated in the event of a team facing an absence of supply.
- the previous ‘token’ system for in-season engine development has been removed.
- Additionally, constraints on power unit part weights, dimensions and materials, and on boost pressure, are being introduced in 2017 and in 2018.
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