Williams team report from the fourth day of preseason testing at Circuit de Catalunya near Barcelona, ahead of the 2018 Formula 1 World Championship. Driver: Sergey Sirotkin (AM), Lance Stroll (PM) Chassis / Engine: FW41-01 / Mercedes-AMG F1 M09 EQ Power+ Location: Circuit de Barcelona-Catalunya, 4.655 km Weather: Cold and wet (AM), Warm and dry […]