As an engineer and a budding sim-racer, I think this is my favorite video of yours so far. It perfectly toes the line of technical explanation and real meaning for the adjustments without becoming an hour long tuning course. Great stuff Scott! I've got some new things to think about while tweaking my car in ACC. Speaking of which, please show ACC some more love on Trophi! Especially the Huracan Evo 2 😉

So glad to see a collaboration between my two favourite motorsports content creators! I’d love to see more technical explanations from the two of you! Keep up the great work guys!

Rear toe-in actually creates more stability by effectively lengthening the wheelbase through corners. It actually makes the car less nimble. For example, in a left-hand corner the vehicle load is primarily on the right side. So if the rear wheels are toed in, the right rear wheel is actually turned towards the left. This is like a car with rear wheel steering having the rear wheels turned in phase with the fronts at high speeds, which promotes stability. If you wanted the car to be more nimble, you would want the rear wheels to turn opposite to the front wheels. Which is why cars with rear wheel steering have the rear wheels turn opposite to the front wheels at low parking lot speeds. But having toe out in the rear for a race car would make it far too unstable to be practical.

@8alakai8

6 ай бұрын

renault laguna had it on one model rear wheel steering

@lingSpeed

6 ай бұрын

It's not lengthening the wheelbase, its shortening the moment arm of front axle and opposite on the rear, effectively moving the grip balance rearward. But what we feel in car has more to do with inertia, as toed-in car requires less rotation to reach cornering angle, reducing the overshoot rotation after it has been reached. Also rear toe out not being a thing in racing isn't really about stability. Its about grip balance, because loaded tyre has higher peak grip slip angle, so only a toed-in setup can reach peak grip on both tyres at the same time. Rear wheel steering is nice but no need to go as far for rear toe changes... many older porches (due to space limits having engine where suspension links would like to go) turn the rear wheels into the corner as hard or harder than typical RWS does through bump steer (and there are cars with opposite effect but that's rare).

@bigcazza5260

5 ай бұрын

i keep the rear as straight as possible for less rolling resistance front little bit of toe out and neg camber for agility back cant do much with leaf springs (falcons) and solid axles (go karts)

@bigcazza5260

5 ай бұрын

mainly for low horsepower high pace

I was not expecting Verstappen's former engineer to be an American.... That was weird.

Lower tyre pressure and the resulting extra tyre flex also helps (and hinders, depending on the situation) in building tyre temp

They have reverse Ackerman front geometry because of weight transfer meaning the outside wheel can stand more slip angle. They aren't designed to be driven slowly 😊

Glad you guys crossed over with Brraakkee or however he spells it. He seems like a great guy with a ton of technical and analytical knowledge of F1 cars. I’d love to see him be successful in this

This was a great explanation of the various suspension settings on these cars. I’ve always wondered how they are able to get it set back up correctly when a driver destroys a corner and all of those parts need to be replaced. It’s not like you ever see them doing an alignment in the garage.

A collab a I didn't know I needed. Awesome content.

Love these videos and perfect timing. Still play Grand Prix 4 which helped me learn so many setup best practices before I even really understood the concepts behind them. Looking to finally upgrade to newer sims soon and many have additional things like pressure and camber to contend with so this will be going into the favourites!

Funny but long story My weekend warriors suspension is completely adjustable (ride height, camber, caster, toe) and I spent a good month every weekend dialing it in. Every time my neighbor would come out and say “you broke something again”, even after I clearly explained it to him. And he wasn’t joking or being pedantic he literally couldn’t understand it. Flew straight over his head every time. The chick across the street understood perfectly, even his wife got it. He just doesn’t get cars and how they can be your passion. He would tell me “You must hate having to do that” when all I hated was him…. Lol

@KevinJDildonik

6 ай бұрын

It's like reading a book and someone keeps asking if you're doing homework because nobody could read books for fun that's hard work... Like nah fam, I just have an IQ over 70 and I like to keep it that way.

@dsdy1205

6 ай бұрын

> a good month every weekend lol

@underSTATEDexcellence

6 ай бұрын

@@KevinJDildonik yeah you know a month so 30 days but just on weekends, so 30/2. Edit: I didn’t graduate college, I grew up poor. Lol

Great collab, I have been watching his channel from time to time :).

Speaking of high cars.....I drove a Vauxhall Zafira VXR around Thruxton once. The front tyres deserved a mention in dispatches.

Scott, what about a series about the pitfalls and idiosyncrasies of the current F1 tracks? After this weekend I imagine there will be a lot of things to talk about from LosVegas.

Man you could've easily just made a video about the toe-in/out and covered the title. But this was really in-depth and really interesting, thanks!

This is a particularly good video, a topic I don't think some of more recent F1 fans understand. All those mechanics swarming over the car during practice and qualifying have a lot more to do than placing the cooling fans and wiping the car with a polishing cloth. I think there's a tendency to think they drive nearly the same car at all times, or maybe they set it all up at the shop using simulator data and just run it that way. That's never going to be the case. The simulator isn't perfect, it's just close. It can't know exactly how the pavement aged over the last year, fully incorporate any pavement heaving or new patches that occurred since their last visit, or deal with normal variations in temperature, humidity, or the likelihood of rain.

Absolutely love these sorts of videos. 👍🤙 Totally nerd out for 16 minutes. 😆

I was just about to ask about Front Anti-Dive and Rear Anti-Squat!! And Push - Pull rod systems... and there it was in the last minute!! Thanks

Thanks Scott, this is perfect for dabblers like me and an ideal jumping off point for my mate Dave who is going deep into the Sim Racing rabbit hole Saved for future reference. 😎

I already knew why Lance's wheels are always facing in different directions but thanks for the vid

@pranc236

6 ай бұрын

Some towards the wall and the other rolling down the track

Toe in and toe out increases grip due to the scrubbing effect. The maximum grip occurs just before the tyre slips it’s known as the slip stick effect .

Great video! I love these kind of technical videos and this one’s especially good cause now I finally know what all my settings in sim racers do

Fantastic video; very informative. I went and gave this dude a sub (the Texas flag being just a bonus).

This is mega it helped me alot and please we want more car setup videos please ......... thanks🙏🐐

as someone that learned skiing on straight planks.... That sounds like the difference between those old old straight skis compared to carving-skis.

Good Deep dive guys. This is quite a deep subject as much of it is largely to do with rider/driver preferance.

This Explains it Very Clearly

Why is this more informative then my actual works training back when I was learning alignments 😅.

First I thought that the diagonal tire contact is longer that shorter straight contact but I know it's deeper than that too.

I play 2 mobile tacing sims and yhe drift focused one has tire wer simulation, some setups definitely wear lower than others. Good thing they added time attack mode recently I can test these parameters there.

As an mech eng student in Germany, trying to compete in Formula Student, this was extremely helpful. It fits well into our lectures and gives me some pretty important english technical terms!

@Mercenaryow

6 ай бұрын

Was ist Formula Student?

@battlebooms6429

6 ай бұрын

@@Mercenaryow I'll answer to that in english so our fellow readers can understand this :D Formula Student is an engineering-design competition where students of the technical faculties design, build and race a formula style car.

@Mercenaryow

6 ай бұрын

@@battlebooms6429 cool! I didn't realise there was such a thing. But of course, engineers also need new blood. I wish you every success there!

@battlebooms6429

6 ай бұрын

@@Mercenaryow Thanks very much!

@tanishkven7762

5 ай бұрын

That's nice to see, I am also a student in Germany working in a Formula student team, it's nice to see other formula student members watching the same videos !! Also might I ask which team you are currently in ?

Thank you very much for this video! Amazing !

I look at this as a Forza sim player. The whole tuning the suspension was paramount to building a great car. You wanted to build as much mechanical grip as possible without applying to much downforce slowing the car. I’d spend hours watching the heating across the tires when at track speeds. Next was how compliant the suspension was. Getting the bump rate was pretty straight forward but getting the rebound rate was much more complicated. When you hit the sweet spot the car would be a pleasure to drive.

This is the video in needed as a kid playing gran turismo

Common misconception in here about the effect of camber on contact patch area. Camber doesn't affect TOTAL contact patch area. Contact patch area is simply a function of tire pressure and load (weight). So a tire inflated to 20 psi supporting a 400 lb load will have a contact patch area of 20 square inches regardless of camber. Camber affects the SHAPE of the contact patch and therefore the distribution of stresses within the contact patch which can have a large effect on grip. Otherwise brilliant presentation!

quick math 800kg*5g/4 each tire with contact patch the size of your palm is actually pushing the road ~1000kg towards the outside of the turn (and same reactive force tranfered to the car towards the inside)!

one thing the sims/games could do would be to better represent graphically in the settings window, how any settings would actually affect the car. the amount of camber represented graphically such as in this video would be a great help with new drivers/players

@flexinclouds

6 ай бұрын

Forza motorsports & horizon 5 are really good with the depth & realism of the tuning. But they just give a description iirc. A diagram/picture should definitely be included for those not already familiar with all of it

This is exactly what i needed, now imma try these out in assetto corsa

Mercedes W11 has something to say about that

@moiz04

6 ай бұрын

LOL 😂

Scott, I love your technological insights. My father introduced me to motorsport as a young child. However, he was a romantic and a bit halcyon about the grand prix he attended. I am always interested how cars work and not necessarily how good the driver is.

Toe has an aero effect. Toe in increases the wake on the inboard part of the wheel, toe out reduces it. Of course for the effects to be significant you have to run like 5 degrees of toe, not realistic or practical. Outwash inboard of the wheel does the same thing as geometric toe out from an aerodynamic sense.

Tire Pressure is like the A and O of Motor Racing

Straight lines the causes for the wings at topend to keep ground. 3 wires and natural order.

We use to run our back wheel out of line, Toe to the right on speedway bikes, to keep the bike straight, when conering/keep the bike running in line...... 👍🏁🇬🇧 Although on speedway, we only turn left! Lol 😂

Just as a train has its steel wheels set on an angle on the railroad tracks so it will go straight but if you put the wheels square on the they will go into themselves

I would like you to break down the driving style of your dad, and his way of setting up the car. That would be such a treat…

brrrake just told us that AM’s performance drop was due to the flexi wing TD, but then they reverted back to their old aero package and got fast again. Whoops.

I loved this video! As someone subscribed to Blake’s fraudulent podcast(s) and his extra website goodies, this was really excellent. He is so knowledgeable. I hope the two of you collab again!

Sometimes the camber like in brazil is super visible or spa...it even looks funny

Anyone can change the toe settings in their own car and experience the effect themselves. Quicker turn in or stability vs tire wear. Of course camber and caster. Rather than spending thousands on mods, a simple wheel alignment adjustment can do wonders for performance. Unless you go nuts with it and make everything worse.

Interestingly, camber, caster and toe is actually something that all road cars have built in as well, though it's obviously not for performance, but to manage the wear of tyres, and they do have to be adjusted every now and again, and tyre pressures is obviously something as well, but that is more common knowledge than the others

@M0UAW_IO83

4 ай бұрын

It is also for handling and performance as well as tyre wear, road car setup is a compromise between many factors, if it were set wrong you'd pretty soon be complaining about fuel economy, lack of manouverability, heavy steering and picking bits of your car up off the side of the road after you'd lost control and smashed it up on a corner.

@DaredevilGG

4 ай бұрын

@@M0UAW_IO83 Well yeah, i just mentioned a few, as i didnt want to get too much into it

It is honestly a shame how little wiggle room for adjustments related to the tires the teams actually have. With how tire development has progressed to try to provide maximum durability and consistency, it really has killed the unpredictability of tire strategy during the races.

@nvcnc

6 ай бұрын

In part this is a safety issue. Too low tire pressures can be faster and yet cause damage to the tires leading to failures.

@NBSV1

6 ай бұрын

That’s what you get with a single make in a high level series. There’s no competition so tire makers do what they want and blame the teams if there’s a problem. Rather than design a tire that works with what the teams want they’re designing tires for what they want and making the teams try to figure it out.

I love this channel but can I make a tiny suggestion. I find it exhausting the way that the audio is edited so that there is no pause whatsoever. I think it's more enjoyable and easier to absorb the information if you don't edit out the tiny pause when the narrator needs to breath.

Which racing series uses straight aligned wheels? i'd be interested - I 've never seen racing car wheels aligned straight !

You are one of the the best and combined with Blake...$$$

Very interesting, thanks 👍

Interesting that they typically run toe out at the front. Can anyone tell me whether they use Anti-ackerman steering geometry to reduce that toe out with steering angle?

Far Early , Benz F1 car can adjust toe in/out while racing by push down & pull up the steering wheel❓

I still do not understand how to out gives you more bite when the weight is going to be over the outside wheel more.

Spreading the load..... Got it.

I had my slalom car set-up with toe-out. Faster "turn-in"

This was a great video.

What if there was a way for your wheels to automatically adjust the camber angle to maximize grip, improving acceleration, breaking, corning all while extending tire life and improving fuel economy?

@dsdy1205

6 ай бұрын

That's active suspension

@12th.jahlil

6 ай бұрын

That level of active adjustment isnt even made, itd most likely weight alot though, it might be slower then manually setting it up

@Noreceipts400

6 ай бұрын

@@dsdy1205 I dont think that impacts camber. Just damping and spring rate i believe

@tonyloosa9500

6 ай бұрын

The total weight added to the car would be very minor. The angle adjustment would be calculated by and onboard computer weighing less than a smart phone. I'm the patent owner this concept.@@12th.jahlil

Love your content❤

Why is the side-skirt at 12:45 censored out?

I thought heave springs/third springs were banned with the new cars?

im an engineering student and want to have a job in motorsport but too bad we're at a different part of the globe

They would go faster if they could get the wheels straight. A common wheel alignment for around £100 would fix it for most cars.

This was great

even your normal car the wheels dont all point strait forword with front wheel drive they point slitly to the outside to compensate voor the power on the wheels that will pull them inward

@nickcook7408

6 ай бұрын

Not true - look up the target parameters for any fwd car, you’ll see they always toe in. Manufacturers prioritise customer desire over engineering knowledge.

Do some drivers ever prefer understeer?

Finally we talk about settings. People only praise drivers and know NOTHING about how the car works and that this is actually a team sport. All of these settings (that you can easily get wrong) play a massive role that can decide a race (by tyre wear, slow-speed corners, grip ...). And yet even the F1 commentators only say "Lewis wasn't feeling it today".

Vote 1 for Scott to drive the Bloodhound LSR. C'mon big guy step up. 😊

7:55 lol

Short answer: Because corners!

The contact patch is really only the area of your palm? Isn't that less than a typical street tire?

@metalpiston1212

6 ай бұрын

Just found out about this as well. Wonder how small the patch is for old grooved tyres

Very interesting! But what confused me a bit was the fact that he was american or talked like an american I mean I was expecting a british accent since many or majority of people seem to be british on most F1 teams. I understand why they are there but I feel the tyre supplier shouldn't tell the teams how they should setup the car. I mean it almost become the case when Pirelli has their min. tyre pressure, camber etc.

With tyre pressures @ 20psi how do they get the responsiveness out of the steering? Especially with the old cars running 15 inch wheels.

@Dyson_Cyberdynesystems

6 ай бұрын

Because contact area has nothing to do with friction. The contact area has to do with the structural integrity as well as wear and tear on tires. People never distinguish the physics involved when talking about "traction"..

@Robert-cu9bm

6 ай бұрын

@@Dyson_Cyberdynesystems I'm not talking about the contract area. However the contact area is directly responsible for how much friction there is. Bigger contact area equals more friction. I'm talking about low pressures allow the rim move. Lower the pressures in any vehicle and the steering becomes less responsive.

@Dyson_Cyberdynesystems

6 ай бұрын

@@Robert-cu9bm I mean. I'm not giving you an opinion. Friction is completely independent from contact area. It is a product of the friction coefficient of two materials and the normal force applied to the contact plane. Tires would be less "responsive" because the tire structure collapses under lateral forces. You can counter for that with structural sidewall reinforcement or lower profile tires..

@Robert-cu9bm

6 ай бұрын

@@Dyson_Cyberdynesystems we're taking about contact area and friction on cars. The More contact area on a car the more friction you get. F1 must have really stiff sidewalls then.

Why or Where is MIT in chassis builds

i dont like many videos, this one got one.

So this is why Ferrari can have a great pace but burn up tires. They sacrificed tire longevity for higher grip to keep up where red bull needs less camber to keep the same grip with their overall better design, aero and setup.

3:03 He said zero at the rear going over bumps, not zero static ride height. Your analysis of what he said after that is factually incorrect.

My new favourite video

Good so I don’t need that alignment after all.

Is the DAS the "magic" Ham was mentioning after he crashed soon after warming his tires?

@mr0sparkles4682

6 ай бұрын

No, he was referring to a brake bias setting. The "brake magic" setting shifts more brake pressure to the front. This allows the front brakes to generate more heat and warm the front tires better. He accidentally turned it back on and cause the front tires to lock up.

@StingrayOfficial

6 ай бұрын

@@mr0sparkles4682 Cool thanks. That is what I originally thought.

Wait so what's the point of antidive if you are already riding on the bumpstop going into braking anyway?

@brrrake

6 ай бұрын

It's always a trade off! If you have more Anti-dive you can run "less" stiff - but it's always relative

Conclusion : setting up an F1 is very complex, fortunately Pirelli gives you very few margins to play with.

More videos with blake please

Every car is an "aero" car, but not every car uses it well.

“Spreading the load”

Toe in is measured in degrees and minutes 😉

It's annoying to me that toe is commonly stated as a length dimension instead (millimeters) of an angular dimension (degrees). WHERE is the length measured? Where is the measurement relative to? Degrees doesn't need any explanations...millimeters does.

The loss of of what? From times races to run to have chances causes im coming by knowing. This so beyond mosts understanding

Crossle @ 2:22?

Brrrake sounds like atozy

3:07 What you on about XD

suspension you go as SOFT as possible without bottoming out the car.

toenails ( pretend this is funny and like the comment)

@yusufk6712

6 ай бұрын

no

@pigeonandpigeon3158

6 ай бұрын

​@@yusufk6712how dare you

@Tinoweiyideruiter

6 ай бұрын

😂😂, such a great joke, dont think people are can understand this joke. Great one tho

@jram7320

6 ай бұрын

Most people seeing that joke: whoosh

@GT_177

6 ай бұрын

😂

Thanks!

@Driver61

6 ай бұрын

Thank you so much!!

This video is too quiet because you used the wrong export settings in your video editor.

@tonywright8294

6 ай бұрын

Dont you have a volume control ?