Williams trialled a radical new rear wing and modified front wing on the first day of the first in-season Formula 1 test at Barcelona.Development driver and GP2 race winner Alex Lynn headed out on track on Tuesday morning for his first two runs with an additional rear wing mounted above...

The McLaren team has attached a large aerodynamically-profiled "blocker" to each of the rearmost suspension links of its new MP4-29. This concept is designed both to give more downforce at low speed and reduce drag at high speed.These blockers must be part of the suspension itself, but there is a...