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Dr Obbs Profile picture
@dr_obbs
Mar 31, 2022 • 16 tweets • 11 min read • Read on X
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@DANIELEALOFAN Made a great overlay of what the #LasVegasGP track layout could be like in 2023, so I decided to use this as a go-by and add some turn numbers. Let's take a Google Maps tour of the circuit! #F1
The starting line and T1-T3 section looks to be in a currently vacant field where tarmac will surely be laid down. This could change, but interesting nonetheless and has lots of potential. #LasVegasGP
The Turn 4 exit takes us to Koval Lane which is around 1km in length from T4 to T5. Our first potential DRS Zone #LasVegasGP
The turn 5 entry could be at the intersection of Koval and Westchester drive. Would be a hard braking zone into a hard right turn before a sweeping turn 6. #LasVegasGP
Sweeping left handed turn 6 will be a true spectacle around the MSG Sphere which is able to project custom images on the outer surface. Currently under construction this will be a sight to see! #LasVegasGP
Turn 7 will be a slight uphill right hander along Sand Avenue. Nice and wide with lots of room for passing and to carry speed into the T7-T8 switch backs. #LasVegasGP
Turn 8 will be another high speed section moving left before coming to Las Vegas Blvd. #LasVegasGP
Turn 9 to Las Vegas Blvd. would likely be a hard braking zone into the massively long straight. Surely a location to go full send into the corner! #LasVegasGP
Surely the highlight of the entire GP will be the high speed run down the Las Vegas Strip. There is a slight left hand around the Mirage Casino, but what a sight it will be! #AMuS reports the cars could reach over 340 kph! #LasVegasGP
The T11, T12, & T13 will be very interesting. The current intersection is large enough for a chicane. This would make for a spicy battle after such a long straight through this low speed section. #LasVegasGP
The T13 to T14 straight is roughly 1km long and another potential DRS zone. More than likely the pit entry will be somewhere around here. #LasVegasGP
Speaking of pit lane, there are a couple options. The first is halfway down the straight at Audrie street where a large parking lot is. Would make for a simple entry to a big pit area #LasVegasGP
Another option is slightly further down where another large tarmac exists. This might be a more difficult pit entry location. #LasVegasGP
Our final turn is at T14 where there currently is a fence blocking the large field behind it. #LasVegasGP
The #LasVegasGP will be quite the race, which will attract lots of celebrities from nearby Los Angeles. The track looks to have some potential as well! I hope you enjoyed this tour around Vegas! @F1
I'm curious to know if there are any other thoughts from others!
@JennieGow @wbuxtonofficial @karunchandhok @NaturalParadigm @MattyWTF1 @chainbear @EngineMode11 @EstagiariodaF1 @AlbertFabrega

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More from @dr_obbs

Dr Obbs Profile picture
Mar 13
People often ask me, "where can I find great information on motorsports and aerodynamics?" So how about a thread of some of my favorites? And no, I don't get paid to endorse these. I just think F1 Tech is a great place to share knowledge! Also, this is NOT an exhaustive list, but some that stick out to me. Feel free to add yours as well below!

Video below by Vyssion and JJN.
Let's start with some of my favorite books on car aerodynamics! "Race Car Aerodynamics: Designing for Speed" by Joseph Katz is goated. A really great book covering all types of race cars and written for anyone at any level. I highly recommend this book. Image
Another book that is sort of an extension of Katz is one from Simon McBeath called "Competition Car Aerodynamics." It's like a newer version of Katz book, and with a bit of very simple CFD in it as well. Image
Read 17 tweets
Dr Obbs Profile picture
Mar 4
Is the RB20 great? Or is Max Verstappen + the RB20 great? I spent some of the weekend looking through the telemetry. And here is what I have found. In summary, Max Verstappen is a Swiss f*cking watch. Well, maybe a Dutch watch. Let's look at it in this thread. Image
Looking at the macro view level lap times to gage consistency, you can see that it's incredibly consistent irrespective of compoud. Credit to Checo as well, his lap times in Bahrain were also very consistent, but also consistently 5-tenths to 1 second slower per lap. But why? Image
Looking over the a single lap, many show similar characteristics. It's like death by a thousand paper cuts, or in this case by 15 corners. The intricacy and precision of driving from one corner to the next builds delta from corner to corner. Image
Read 13 tweets
Dr Obbs Profile picture
Jul 12, 2023
Was the RB19 of MV really slow on the straights compared to the other teams? Or was something else going on? We know that MV wasn't fortunate to gain any DRS or slipstream after passing LN, but what else was going on? Let's understand this more in the thread below. 🧵
If we look first at the pit straight into Turns 1 and 2, comparing LN and MV, we see something peculiar. MV never upshifts to 8th gear, but holds 7th. Thus, his engine RPM is higher and he doesn't lift into T1. He does, however, lose time slightly to LN due to the lower speed. 🧵
Looking at the onboards, LN is 1.336s behind MV so he may catch a very slight tow, but the top speed delta here is 4kph with LN reaching 300kph. By MV never upshifting to 8th gear he limits his T1 entry speed, but doesn't have to lift as a result. 🧵
Read 11 tweets
Dr Obbs Profile picture
May 31, 2023
Well that helps to solve that mystery. Had also heard that this plank was painted so they could observe the wear patterns better. Looking at this, the plank wear is quite low overall. How about a thread comparing my observations of the RB, Merc, and Ferrari wear patterns.🧵
The bib looks to be running quite low. Possibly some forward rake, as most suspect. RB is able to run their forward floor very low, and still ride curbs and manage bump tracks like Monaco. A bit more left sided mid wear. 🧵 Image
Mid floor looks pretty stable with little wear. Same preferential left side wear from previous image along the length of the mid floor. No floor flexing going on here. 😉 🧵 Image
Read 7 tweets
Dr Obbs Profile picture
May 30, 2023
There is a quote in here that perfectly summarizes what I have been trying to say about the complexity seeing an image of a floor, and then getting a floor to work well.

"Talking to an engineer from the Milton Keynes team, not too worried about the photographs taken of their.."
"..underbody in Montecarlo, he explained to us that it is easier to work on the cross section of the channels while the slope (height) variation part inside is much more complicated to the tunnel and the simultaneous generation of eddies; an infinite job, among other things.."
".., since a car never works with a constant height but has many external elements, such as bumps, and dynamics, such as roll, pitch, etc., which greatly complicate the design of what it is the most important aerodynamic component of these new F1 cars..."
Read 4 tweets
Dr Obbs Profile picture
May 25, 2023
Ok so I had questions like many about the legality of the new @MercedesAMGF1 #W14b spec floor winglet. With the help of some friends, I did a bit of digging into the regulations to understand this better. A 🧵@Formula_Nerds @AlbertFabrega Photo by Auto Motor Und Sport
The regulation boxes are sometimes super confusing so it's best to start with an overview of them. The below link is a good place to start to understand the regulation boxes where engineers can design within. Each reg box is controlled differently. 🧵racecar-engineering.com/articles/tech-…
So after looking at the reg boxes, these aero features can only be in these potential volumes, Front Chassis, Mid Chassis, Floor body, Floor fence, or Rear Body Work Sidepod. So now lets eliminate them 1 by 1. First it can't be fence, because these aren't floor fences 🧵 Image
Read 10 tweets

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