McLaren F1 successor

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the EDGE
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Re: McLaren F1 successor

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Just_a_fan wrote:
Thu Feb 18, 2021 11:28 am

No, on a heavily reflex diffuser such as fitted to the T.50, you get separation at all speeds because the change in direction is too big for the air to follow it naturally. The fan works against that to remove the dirty air in the reflex section and make the diffuser work better at all speeds. There's a nice little video earlier in the thread where Murray shows this on a white board.
Ah, thanks, I see that now

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Morteza
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Re: McLaren F1 successor

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"A fool thinks himself to be wise, but a wise man knows himself to be a fool."~William Shakespeare

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Holm86
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Re: McLaren F1 successor

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It's a really impressive car, it must smash some track records

https://www.autosport.com/other/news/15 ... uda-honour

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jjn9128
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Re: McLaren F1 successor

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This needs an unsafe for work warning :lol: :lol: especially that last image
#aerogandalf
"There is one big friend. It is downforce. And once you have this it’s a big mate and it’s helping a lot." Robert Kubica

Cold Fussion
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Re: McLaren F1 successor

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Harry Metcalfe talking to Gordon Murray about the T.50s.

Just_a_fan
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Re: McLaren F1 successor

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You beat me to it. :lol:

Some nice bits of info in that interview.

That car is going to be a bit quick. 725bhp (with the ram effect on the inlet), 850kg + fuel and driver, 1500kg of downforce (speed not mentioned for that but with the fan helping, it'll be making good downforce at reasonable speeds anyway). So it'll be at least 700bhp/tonne as it leaves the pit lane.
Turbo says "Dumpster sounds so much more classy. It's the diamond of the cesspools." oh, and "The Dutch fans are drunk. Maybe"

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Andres125sx
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Re: McLaren F1 successor

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Just the weight will make a good difference with any other hypercar, add to that the active aero maximizing DF or reducing drag at will and I´m eager to see the result in the laptimes :D

edit: not first car with active aero, but the different approach with a fan instead of moving flaps will be interesting to be compared

Just_a_fan
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Re: McLaren F1 successor

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A different video about the T.50s.

Turbo says "Dumpster sounds so much more classy. It's the diamond of the cesspools." oh, and "The Dutch fans are drunk. Maybe"

Just_a_fan
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Re: McLaren F1 successor

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Andres125sx wrote:
Tue Feb 23, 2021 12:57 pm
Just the weight will make a good difference with any other hypercar, add to that the active aero maximizing DF or reducing drag at will and I´m eager to see the result in the laptimes :D

edit: not first car with active aero, but the different approach with a fan instead of moving flaps will be interesting to be compared
On the track car, the fan is set to just give maximum downforce at all times. No drag reduction setting. Once the car gets to 50mph, the fan is switched on and goes flat out.
Turbo says "Dumpster sounds so much more classy. It's the diamond of the cesspools." oh, and "The Dutch fans are drunk. Maybe"

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Tim.Wright
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Re: McLaren F1 successor

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Just_a_fan wrote:
Tue Feb 23, 2021 9:18 am
You beat me to it. :lol:

Some nice bits of info in that interview.

That car is going to be a bit quick. 725bhp (with the ram effect on the inlet), 850kg + fuel and driver, 1500kg of downforce (speed not mentioned for that but with the fan helping, it'll be making good downforce at reasonable speeds anyway). So it'll be at least 700bhp/tonne as it leaves the pit lane.
With those numbers it should be able to corner at 3G. Lets see if this translates to the track or the downforce numbers are just marketing BS.
Not the engineer at Force India

Just_a_fan
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Re: McLaren F1 successor

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Tim.Wright wrote:
Wed Feb 24, 2021 8:26 pm
Just_a_fan wrote:
Tue Feb 23, 2021 9:18 am
You beat me to it. :lol:

Some nice bits of info in that interview.

That car is going to be a bit quick. 725bhp (with the ram effect on the inlet), 850kg + fuel and driver, 1500kg of downforce (speed not mentioned for that but with the fan helping, it'll be making good downforce at reasonable speeds anyway). So it'll be at least 700bhp/tonne as it leaves the pit lane.
With those numbers it should be able to corner at 3G. Lets see if this translates to the track or the downforce numbers are just marketing BS.
2 points really:
1. Murray said they set out to achieve 1000kg of maximum downforce but they ended up with 1500kg quite easily.
2. The cars are all sold. No need to market anything.
Turbo says "Dumpster sounds so much more classy. It's the diamond of the cesspools." oh, and "The Dutch fans are drunk. Maybe"

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Tim.Wright
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Re: McLaren F1 successor

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Just_a_fan wrote:
Wed Feb 24, 2021 9:16 pm
2 points really:
1. Murray said they set out to achieve 1000kg of maximum downforce but they ended up with 1500kg quite easily.
2. The cars are all sold. No need to market anything.
Of course they need to market, that's how they sold all the cars. The hypercar world lives on marketing BS. Remember the Aston Martin that was supposed to lap faster than an F1 car but still be drivable on the road? 5 years later and it turns out that was marketing fluff.

As I said, lets wait until we see it starts being tested and reviewed. There's nothing on the market that comes close to cornering at 3G let alone 2G.
Not the engineer at Force India

Just_a_fan
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Re: McLaren F1 successor

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Tim.Wright wrote:
Wed Feb 24, 2021 9:34 pm
Just_a_fan wrote:
Wed Feb 24, 2021 9:16 pm
2 points really:
1. Murray said they set out to achieve 1000kg of maximum downforce but they ended up with 1500kg quite easily.
2. The cars are all sold. No need to market anything.
Of course they need to market, that's how they sold all the cars. The hypercar world lives on marketing BS. Remember the Aston Martin that was supposed to lap faster than an F1 car but still be drivable on the road? 5 years later and it turns out that was marketing fluff.

As I said, lets wait until we see it starts being tested and reviewed. There's nothing on the market that comes close to cornering at 3G let alone 2G.
In fairness, Murray hasn't said it will give 3g cornering - you came up with that figure. He has just stated mass, power and a maximum downforce figure. Whether that translates to the cornering performance you have suggested is to be seen. But Murray never said it would. It's not his style to make big claims like that. He just sets out to build a pure a car as possible and the performance just shows up out of that. The F1 was never hyped in the way that the Aston Red Bull was either. In fact they never actually gave any performance figures - the only set were produced by Autocar in a road test and then by Wallace when McLaren decided later to see what speed it would do flat out. Murray never stood up and said "it'll do X", and he hasn't done it this time either.
Turbo says "Dumpster sounds so much more classy. It's the diamond of the cesspools." oh, and "The Dutch fans are drunk. Maybe"

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Tim.Wright
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Re: McLaren F1 successor

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Just_a_fan wrote:
Thu Feb 25, 2021 12:25 am
In fairness, Murray hasn't said it will give 3g cornering - you came up with that figure. He has just stated mass, power and a maximum downforce figure.
Don't people do physics in this forum anymore?

Acceleration = µ(9.81xMass + Downforce)/Mass/9.81

If it's not cornering well over 2G, we know the declared value in red is fantasy. If you plug in the claimed 1500 kgf of downforce, you get 3G.
Not the engineer at Force India

SmallSoldier
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Re: McLaren F1 successor

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Image

Definitely in the bucket list


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