There are a number of changes to the F1 technical and sporting regulations for 2018, most of which are subtle, unlike those for this season. The exception is the introduction of a secondary roll structure, more commonly known as the Halo, which will have varying impacts on the car's Aerodynamics, weight and stability. The structure, weighing approximately 10 kg, has resulted in a weight limit increase from 728 kg to 733 kg. With some teams right on this year's weight limit, they will need to lower the mass of current components by more than 5 kg to be able to run ballast next season, so there may some outfits slightly over the limit. Overall, a laptime penalty of around 0.4s will result...
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