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McLaren will run a more aggressive version of the Formula 1 T-wing concept at the Chinese Grand Prix, ahead of further updates coming to its car later in the weekend.

Although the Woking-based team is braced for a particularly tough weekend at Shanghai, with the circuit's long straight to set to expose Honda's horsepower deficit, the team is not holding back in trying to improve its chassis.

A new rear wing is set to be trialled by Fernando Alonso on Saturday, while the team's MCL32 was spotted with a version of its T-wing at the track on Thursday.

The design of McLaren's T-wing is a departure from the ones that have been run by other teams including Mercedes, Ferrari, Williams and Haas.

Rather than being straight, the concept features rounded edges, giving it a noticeably different shape.

GARY ANDERSON: McLaren's T-wing is slightly different design to the others that we have seen so far. It has a top element which is creating downforce in its own right and a lower element that is acting as a turning vane helping the airflow alignment onto the main rear wing.

When you have two elements close together doing different things the problem is how do you get the two different airflow regimes at the outer ends to work together without causing disturbance further downstream?

In McLaren's case it has taken the differing profiles around in a horizontal 'U' shape and as they do this the top profile will change into the lower profile meaning there is no step change which could set up a vortex or even just turbulence further downstream.