AlphaTauri unveils new nose for 2021 F1 car in Imola run

AlphaTauri has unveiled the new nose design it will use in the 2021 Formula 1 season as it shakes down its AT02 car at Imola.

AlphaTauri unveils new nose for 2021 F1 car in Imola run
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The team spent its two allotted development tokens, which apply largely to structural areas of the car to reduce costs, on redefining the nose crash structure.

The AT02 launched on Friday with the nose geometry it used in 2020, suggesting that a new nose was to appear later on - as teams often employ diversionary tactics to hide parts of the car in the initial renders.

The new nose, appearing on the AT02 in AlphaTauri's test at the Imola circuit as the new car runs for the first time, is noticeably more slender compared to the previous specification.

It no longer uses the thumb-tip crash structure and, like the other teams that employ a more compact nose solution, is tapered at the chassis to reduce the blockage to the aero components aft of that.

The likes of Mercedes, McLaren and Renault have shifted the wing mounting points further inboard, but AlphaTauri has not done so to the extremities of its rivals.

"We've elected to use our two tokens for a new nose and also redesigned the outboard front suspension," said AlphaTauri's technical director Jody Egginton.

"As a result of this we have elected to update some Red Bull Technology-supplied steering components to 2020 specification, as permitted by the technical regulations."

"The headline aero numbers have been affected by the aero change, but we have been working really hard to recover the lost performance and also improve the aero dynamic operating window for the car.

"How fast will our car be? It's not something I would want to put an exact number to just yet.

"Overall, taking everything into account, I would say we will probably see a performance level similar to that seen mid-2020."

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The car also sported a new front wing, featuring a more sculpted design in which the elements form a spoon-like shape in the centre.

The mainplane now features a more pronounced rise at the point at which it attaches to the wing's neutral section, perhaps to interact the relocated wing tips more cohesively.

Furthermore, the element above that has now been detached from the mainplane to add an extra tip to generate vortices, which are commonly employed to roll underneath the front suspension and compartmentalise the wake away from the floor.

The front suspension arms have undergone a redesign to the carbonfibre fairings, but appear to retain the multi-link upper wishbone that the team employed last season, which in turn was run by Red Bull in 2019.

Rookie driver Yuki Tsunoda was first to try the new car, having tested yesterday with a 2019-spec car on Tuesday.

AlphaTauri  AT02 nose detail

AlphaTauri AT02 nose detail

Photo by: Davide Cavazza

What's changed on the AlphaTauri car
Matt Somerfield

Images from AlphaTauri's shakedown at Imola show a distinctive nose design that casts aside its usual thumb style tip extension in favour of a bulbous frontal region. This neatly merges with the front wing pillars which are placed with a wider stance compared to how other teams have previously approached this type of arrangement.

The main body of the nose follows the trend toward a narrower body too, which raises the challenge of passing the mandatory crash tests. However, this offers the designers more scope when designing the cape which is draped over the sides of the structure.

The cape has become an incredibly powerful tool in recent years as it helps to connect numerous flow structures from the front of the car with those in the midriff.

This aerodynamic handshake is even more critical this season when we consider how designers might want to influence the flow stream in order to recoup the losses created by the FIA’s new rules regarding the floor, diffuser and rear brake ducts.

In terms of the suspension changes, it would appear that AlphaTauri opted to utilise the pushrod-on-upright extension hardware that their sibling ran during last season as a means of improving the cars transitional ride height behaviour.

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