Porsche 911 Turbo S lap time at Hockenheim GP

Image of Porsche 911 Turbo S

Porsche 911 Turbo S completed a flying lap of Hockenheim GP in 1 minute and 50 seconds.

Track Hockenheim GP
Type flying start
Vehicle Porsche 911 Turbo S (991 facelift)
Power / weight 580 ps / 1603 kg
Driver Uwe Sener
Time 1:50.000
Peak speed 265 kph (165 mph)
Average speed 150 kph (93 mph)
Air temperature 25 C (77 F)
Track temperature 32 C (90 F)
Air pressure 1033 mbar
Submitted 02.05.2019 by FastestLaps
Source Sport Auto magazine (Germany)
Views 439

Reference:   Image of source Sport Auto - 4/2019 - "Die Zeiten ändern sich" - Hockenheim 4-way laptime comparison

Huracán Evo1:49.00-1.0
Porsche 911 GT2 RS1:49.10-0.9
McLaren 620R1:49.40-0.6
Porsche 911 GT2 RS1:49.50-0.5
Porsche 911 Turbo S1:50.00
McLaren 600LT1:50.20+0.2
AMG GT R1:50.50+0.5
Porsche 911 GT3 RS1:50.78+0.8
Gallardo LP 570-4 S..1:51.00+1.0
McLaren GT270+5.0
R8 V10 Performance269+4.0
DBS Superleggera 266+1.0
Audi R8 V10 Plus266+1.0
Porsche 911 Turbo S265 kph
Huracán Evo264-1.0
R8 V10 Performance264-1.0
Mercedes-Benz AMG GT R264-1.0
AMG GT R Pro260-5.0
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Shinuiz  8m ago

Why add air pressure and not TIRES? Who the f cares?

 

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FastestLaps  8m ago

I give you permission to ignore the air pressure number.


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SpeedKing  8m ago @FastestLaps

Let's not be so hasty because the air temp and pressure tells me that the Density Altitude(DA) was between 900-1100 feet depending on humidity. This will affect lap times compared to cooler denser air :)


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FastestLaps  8m ago @SpeedKing

I actually agree with his point because tyre info is much more influential than air pressure or most other factors. But it certainly doesn't hurt to have air pressure.


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SpeedKing  8m ago @FastestLaps

I totally agree, tyre type and whether it's new or half worn(important grip factor) can make a substantial difference to lap times. Of course the other big factor is driver ability.


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Cocobe  8m ago @SpeedKing

I thought 1033mbar is more than standard pressure at sea level. That means this is actually quite dense isn’t it?


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SpeedKing  8m ago @Cocobe

I'm not a weather expert but assuming barometric pressure on a particular day remains fairly constant the temperature increase throughout the day is the main contributing factor which determines air density. So let's say the barometric pressure is 1033 mbar and the air temp is 10 deg C at 9am with 50% humidity with location at sea level elevation the DA will be approx minus 1000ft below sea level whereas if the temp was 25 deg C at 3pm with 50% humidity the DA will be approx 800 ft above sea level. So hotter air is less dense than cold air even though barometric pressure is higher.


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Shinuiz  8m ago @FastestLaps

It doesn't hurt but some manufacturers, Porsche the most use Cup 2 R/Trofeo R for lap times like this. So what tires did it have?


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FastestLaps  7m ago @Shinuiz

There wasn't a data panel for that feature, maybe tyres were mentioned in the article but I couldn't find at first glance. You would have to assume OEM tyres.


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Dave  9m ago

Please post a page number for your source on Issue 04/19

 

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FastestLaps  9m ago

Page 49

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