20 Unrestricted Porsche 919 Hybrid sets lap record on Spa

Cover for Unrestricted Porsche 919 Hybrid sets lap record on Spa

Porsche 919 "special edition" - the 919 EVO, has set a new absolute track record at the Spa Francorchamps F1 circuit in Belgium.

The lap time - 1:41.77 is almost a second faster than Lewis Hamilton's 2017 pole lap (1:42.55).

Porsche retired the 919 program last year and withdrew from the LMP1 racing, leaving Toyota as the only factory team in endurance prototype racing.

Read more about LMP1 vs Formula 1 speed comparison here.

https://www.youtube.com/watch?v=3wRNhPtvYcQ

1m ago by sroser
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manone  1m ago

the fastest car around tracks would look like red bull x2014. in that hypothetical world, the most important variable is aerodynamic efficiency, which is highly restricted in today's f1 regulations, but not so in lmp1. Plus, hybrid units are much more limited in f1 than lmp1:
4mj of energy through 160hp motor per lap as opposed to 8mj through unlimited power motor for the porsche. Moreover, there is a further bottleneck in the energy stored per lap in f1. Combustion engines are more powerful in f1, but this is irrelevant as total power allowed is higher for porsche lmp1.

"The ultimate fastest car would look a lot more like an LMP Car design than an F1 Car. Closed cockpit, closed wheel, AWD, larger battery output." This is just because f1 rules are much more restrictive in aerodynamics. i am not sure about 4wd, probably not, as in current tracks downforce will be much more important than mechanical grip at those theoretical speeds.

 

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saxy  1m ago

Lots of people know F1 by its high speed cornering. But in reality lap time is often gained and lost in big chunks at low speeds. So mechanical grip will start to be more important especially when you’re dealing with that much power


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FastestLaps  1m ago

Since F1 are so concerned about safety, they could have just gone to closed cockpit designs like the x2014 which would provide even more safety than the "halo" rollcage and, as a result, they could have relaxed aero and engine rules and raised the overall speed way up.

With cars like that the next limitation would probably be track design, I am sure FIA would deem certain tracks in current calendar "unsafe".


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Murmur  1m ago

Nice counterproof for all of those who say an LMP1 is faster than a F1. A totally unrestricted LMP1 only 0.8 seconds faster than a conform F1. Imagine how fast would be an unrestricted F1.

 

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saxy  1m ago

It’s not totally unrestricted man. The car is still running the same engine. Had they made it a 2000hp AWD monster it would be a different story. And besides we were talking about straight line acceleration to begin with. And LMP1 hybrid will beat an F1 Car to 300kph even with the limitations, and using 20% less fuel.


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Tyrone1  1m ago

There was never any debate, F1 has always been faster than LMP1. No one is disputing that. Up until recently (2017-18) F1 restrictions have been coming down like an anvil, slowing down the cars, and they were STILL faster than LMP1s.


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Murmur  1m ago @saxy

Yeah, and had they made a 2000hp F1 monster, it would be the same story.


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saxy  1m ago @Murmur

Now see if it had that much power it would have trouble putting it down. At high speeds, the drag of the car would also slow it down. The LMP Car would accelerate faster from low speeds, and it’ll also have a higher top speed.

The ultimate fastest car would look a lot more like an LMP Car design than an F1 Car. Closed cockpit, closed wheel, AWD, larger battery output.


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Murmur  1m ago @saxy

The ultimate is a thing, the current LMP1s and F1s are another.


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saxy  1m ago @Murmur

That’s cuz Current LMP cars are purposely restricted to save F1 face. Also a reason why they had to increase the F1 car speeds at the expense of worst racing. The LMP cars were fast without having the expense of proper racing. Had they kept the 2014-2016 formula 1 Formula, while the LMP cars were allowed the same fuel usage, they would be just as fast.


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DrDuke  1m ago @saxy

You are arguing like the F1 has no restrictive rules. The main reasons for the restrictions is the safety of the driver. It would be easy to make cars with much higher g-forces. But if every driver knocks out after the second corner, these would be short races.

A lot of the first long-distance race cars were "F1" cars with more aerodynamic bodies. These car were slightly heavier but had higher top speeds. Both rulebooks are writen by the FIA. And because of tradition the open wheeler F1 cars have to be the fastest. The base shape of F1 cars has nothing to do with the best possible solution in todays technical means. It's about tradition. They would look far more like LMP1 cars or like neweys X cars from Gran Turismo. In the days these two categories of cars formed, aerodynamic optimization was about reducing drag. Downforce wasn't invented. If you d'like to have cheap (low drag) downforce a huge underbody is the way to go. Another benefit of a closed wheel car is that there is much less stuff in the air creating turbulences.

The whole debate is a bit nonsense. Today it's just heavy regulated sports. The goal is in both sports the same: make the fastest legal car. This has nothing to do with "make the physical possible fastest car".

Maybe there will be once KI drone car races with unlimited rules. The sole question then remains is: without a human driver are they still cars? :)


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Tyrone1  1m ago @saxy

You on meth saxy? Even the slowest F1 cars of the past decade are faster than the fastest LMP1s. Maybe not in off the line acceleration, but F1 cars have way more downforce and higher cornering speeds.
And as for the new cars, they will blow even the 919 hybrid out of the water. Just wait for the belgian grand prix if you dont believe it.


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saxy  1m ago @Tyrone1

Dude, the 2014-16 cars were about 5-7 seconds a lap faster than the LMP1 cars while using softer rubber and 25% more fuel. Take the 2016 LMP Car and give it the same fuel rate as a 2016 Car and I’m sure they will be neck and neck in qualifying and the LMP Car will be faster in race trim.

And did you know back in 2015 in race, the Porsche 919 was running laps at silver stone as fast as the middle pack Formula 1 cars, even while needling through slower GTE car traffic?

And about the Porsche record. Tyrone, I’m sure you DONT know that over a qualifying session, cars get 2 seconds a lap faster from all the rubber being put down. The 919 EVO didn’t have that luxury


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Guevara  3w ago @saxy

There is no way LMP can rival F1 for a simple reason, the amount of money they invest in research. F1 power units have exceeded the 50% efficiency (at billion €€€ cost) while LMP could not have done so, and if unrestricted, F1 could probably cut off 10% of the weight and gain easily 20% power, so F1 no match (yet) for LMP, this has been just a marketing exercise, there could not be real competition just cause the huge differences in research investments.


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DrDuke  1m ago

Pointless record as it doesn't fulfill any regulations. Either it's a road legal car or a rules conform racing car then it gets accepted. Otherwise you would have to add every home made car too.

 

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saxy  1m ago

Any car that beats the fastest F1 Car in history isn’t pointless.


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FastestLaps  1m ago

Porsche just had these 919 cars laying around and they just wanted to do something interesting with one of them :).


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Tyrone1  1m ago @saxy

Fastest F1 so far* 2018 cars are faster.


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Manel  1m ago

And probably not as fast as an unrestricted toyota lmp1 would be...


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Guevara  3w ago

Quote, just marketing, more than this just pointless exercise.

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