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New video - why is Red Bull's high rake design thriving in 2021? (Patreon)

Published:
2021-04-15 11:30:09
Imported:
2026-06
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Content

Hello! I was going to do a video on this earlier but the track limits stuff really bothered me so I decided to leap on that first.


Anyway, floors! Aren't they wild? Thought we should have a look at a topic that's still in the interesting and speculative stages. I think we're going to have a lot more information coming on this over the next few months.


Thanks for supporting me, guys!

Files

Previews only

Patreon ad free: Rake and the 2021 Floor rules impact

Hi Patreon - you get this early with no ads and don't have to hear me talking about Skillshare. You are truly blessed. Thanks so much for supporting the channel.

Comments

Maks Podzigun

Woops! Great explanation, thanks Stuart!

Anonymous

I've seen "diffuser stall" mentioned as affecting high- and low-rake cars differently. Can you explain what it is in a way that my small brain can comprehend?

chainbearf1
>>57836329

So when you're using an aerodynamic surface to generate downforce you ideally want all the airflow to 'stick' along that surface as it travels – imagine all the lines of airflow travelling close to and along that surface. A 'stall' is when, for whatever reason, the airflow breaks away from the surface. On a wing it might be where rhe wing angle is too aggressive against the airflow and the air simple can't stick to the back edge of the wing. With a diffuser it can tend to happen if the floor is very close to the ground and the pressure is very low. Often you can get the air to reattach by the point the rear end of the floor rises up and exits the diffuser. With low rake cars there's a risk the air won't reattach quickly enough when the car brakes. Under deceleration the car will pitch forward and the rear end rises. If there's a delay in 'breaking the stall' and getting nice airflow right through the floor and diffuser, there will be less downforce than expected when the car turns into the corner, which... well, you can see why that would be bad. Having said that, we don't really see that a lot in F1 these days as they are all over this in the design stage.