Technical Insight: The updates Ferrari is pinning its 2021 hopes on:
https://www.motorsportweek.com/2021...updates-ferrari-is-pinning-its-2021-hopes-on/
"... The SF21 is a clear evolution of the SF1000, which was of course to be expected because of the technical development freezes put in place by the FIA.
We saw several aerodynamic innovations on the SF21 during the test and became clear that the team did indeed spend its two tokens on a new gearbox. The unknown factor remains the new Power Unit (designation 065/6) and whether it’s the step forward Ferrari and its fans so hope it is, as it proved to be a major factor in the struggles of last years car....
Aerodynamic upgrades
We were finally able to appreciate the aerodynamic upgrades of the Ferrari SF21, which has refinements in every part of the car, even if those solutions aren’t exactly innovative.
The area that certainly appears most divergent from the old SF1000 is the front of the car. Ferrari has worked hard to recover much of the aerodynamic efficiency missing from last season. The SF1000 was very slow on the straights, partly because of the underpowered engine, but also due to the high drag offered by the aerodynamics of the car.
The aerodynamic footprint impressed on the new red single-seater, with the aim of recovering vital km/h on the straights, without losing too much in terms of downforce. ...
No narrow nose
Ferrari opted against transitioning to a new slimmer nose concept, despite the benefits it brings. This is because it would have had to spend its two tokens on this, rather than a near gearbox, and Ferrari clearly saw more benefit in that.
But it has worked on its nose externally in a bid to seek out better airflow up to what the regulations allow, without it needing to change the deformable kevlar structure (or chassis), which is when token spend kicks in, as it would have been required to undergo a crash test.
Ferrari’s chassis manager Enrico Gualtieri recognised that a new narrow nose would bring benefit, but believed focussing development at the rear was more important and would bring a greater benefit. ...
New floor
...The floor of the SF21 in Bahrain was very similar to the one the team tested last year, bar one innovative technical feature which concerns three vertical extension elements in the internal area, between the rear tyre and the diffuser, which control the wake coming from the tyre to ensure it doesn’t upset the airflow. ..."