Not even hitching a lift in a clown car could wipe the smile off Daniel Ricciardo's face on Friday.

The engine in his Red Bull may have gone up in smoke, but there were plenty of reasons for the Australian to be optimistic.

Lewis Hamilton held a familiar position at the top of the timesheet in second practice, but behind him was Ricciardo and his team-mate Daniil Kvyat.

Could they mount a serious challenge this weekend?