Getting inside Honda's F1 power unit
Honda's power unit has been one of the biggest talking points of the 2015 Formula 1 season. CRAIG SCARBOROUGH takes a closer look at its composition, and dissects the update the Japanese manufacturer brought to Sochi
Coming after a short break following the Japanese Grand Prix, teams haven't selected the Sochi circuit as a venue for technical updates, although the Russian GP weekend has presented itself as an opportunity to introduce new power units of new or existing specification.
With this weekend getting off to a slow start due to the cleaning of a diesel spillage before first practice, then rain for FP2, and FP3 being cut short following Carlos Sainz Jr's crash, the track will remain green and not rubber-in until much later in the weekend.
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