24h Daytona 2023 - BMW M Hybrid V8 LMDh - CLOSER LOOK 

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Really enjoying the Lmdh videos. I think a lot of people just assume the class is as simple as a motor and a spec chassis, and as a result the class isn't getting the attention it deserves, so having these videos to show the thought and effort that went into designing them really brings home how exciting this class really is. Thanks also for making your explanations accessible for those of us who aren't engineers. Cheers!

Creating outwash on the tires actually increases drag, but it allows you to take drag out of other parts of the car. So you can end up with a net drag reduction. The scoop behind the rear tire on the ARX-06 is a perfect example of this. They chose to focus on the diffuser over the rear wing, and put the scoop there to improve diffuser performance, so they could run a flatter rear wing. If you notice, the ARX-06 has a more aggressive diffuser design than the others.

This is such an exciting championship with so many different brands but as we saw over the weekend the performance is so close

When I first saw this car, I liked it so much I ran down to the Alpine dealer.

Thanks for these breakdowns!

They look the be a bit off the pace (at least in qualifying so far) Out of the 4 LMDh manufacturers they have been out of the prototype game the longest so my expectations for them are currently the lowest for all the gtp cars. It seems like there is way more going on in the rear compared to the other LMDh cars.

Love seeing the Australian business PWR in international motorsport

Hi there, Could you please do a video explain what does it mean as a chassis? Would that be comprise of only the monoque, or more? How does teams like BMW and Cadilac get to differentiate their car base on the chassis? What design choices are dictated by the chassis? (Aerodynamics, suspension, drivetrain etc) How does a manufacture select their chassis provider, what are some parameters to consider?

Quality as always

BMW's engine / forced induction setup looks strangely archaic

Pretty cool how mr dallara designed the original m1, and now dallara is making the LMDH for bmw

Could one assume the caddie is more reliable since it has less parts like the turbo?

Well, they did finish the race...sort of. But man was it a struggle. You could tell that they were not anywhere near the pace. Though there were moments when it looked like they could get up there if they needed to. Clearly they are targeting 2024 like Peugeot did with a limited schedule in 22. They would love to get that 25th anniversary Le Mans win. Honestly, it's probably the only thing they care about. Would be a shame if they pulled out right after...

Where does the radiator air duct located?

Looks cool, but the other cars seem to be smarter…

where do you got the CAD model?

Is it a flat plane or crossplane V8?

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"It's beneficial to use a turbocharged large capacity engine so you have the best tools to get the most out of BOP." Have Ferrari, and especially Acura, made a mistake by going with such small capacity engines? (The 2.9L road-based engine in the Ferrari, and especially the relatively high-revving 2.4L modified Indycar racing engine in the Acura.) Yet **surely** Acura know what they are doing, and have a good reason to have chosen a small, lightweight racing engine -- even if they will need to carry engine ballast that negates any weight advantage? Is there no packaging advantage to using a smaller racing engine instead of a large road-derived engine? I appreciate that B-Sport is German and is following German logic like BMW and Porsche! 😂 But I can't imagine that Ferrari or HPD would make such an "obvious" mistake **if** it really is such a mistake? For the inverse, what is the advantage of using a small capacity engine (as long as it durable enough for the 24 hours racing, which Acura and Ferrari seem confident of)? Lower friction (offset by running at higher rpm though)? More efficiency somehow with more boost pressure and working the turbine harder (where the big engines have to waste more energy out of the wastegate, given there is no MGUH on these LMH/LMDh engines AFAIK, and any extra exhaust energy will just be wasted)?

I dont think BMW LMDh is going to work well, at least this year

Love the videos! - hate the intro sound. Its a great engine note, dont get me wrong, but damn its noisy and disturbing for no reason. It makes my wife hate your videos... ;)

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it's a shame that these big manufactures like porsche or bwm, without any significant race program at the time, chose the easy way unlike the real LMH manufactures.