2. The workshops
3 test workshops in which 3 tyre/vehicle combinations
will be compared, with a dedicated pilot:
From track
to street
MICHELIN, the Ultra High
Performance Tuning specialist
Tyre effect
3. The workshops
Successive tests of 9 combinations of tyres and vehicles:
7 on your own
2 as a passenger in specifics cars
You will drive 2 laps in each test
4. Workshop 1 - From track to street
Objective of this workshop:
get you to feel how racing spirit and technology can be found in a sport
tyre when driving on a road
5. Workshop 1 - From track to street
In a Porsche or an Audi,
you are going to test:
• A racing model equipped
with MICHELIN racing tyres
• A sport type model
(Porsche GT3, Audi R8 V10) equipped
with MICHELIN Pilot Sport Cup+ tyres
• A series model equipped
with MICHELIN Pilot Sport tyres
6. Workshop 1 - From track to street
In a Porsche or an Audi,
you are going to test:
FRONT REAR
Vehicles Tyre Line Section Serie Seat LI SI Section Serie Seat LI
Porsche 997 Cup MICHELIN Slick 24 64 18 27 68 18
Porsche 997 GT3 RS MICHELIN Pilot Sport Cup+ 245 35 19 (89Y) 325 30 19 (101Y)
Porsche 997 C2S MICHELIN Pilot Sport PS2 235 35 19 (87Y) 295 30 19 (100Y)
Audi R8 FIA GT3 MICHELIN Slick 27 65 18 31 71 18
Audi R8 V10 MICHELIN Pilot Sport Cup+ 235 35 19 (87Y) 305 30 19 (102Y)
Audi R8 V8 MICHELIN Pilot Super Sport 235 35 19 (91Y) 295 30 19 (100Y)
7. Workshop 1 - From track to street
Transfer of technology: 2 examples in figures
• Maximum speed: 330 km/h at Le Mans, and 350 km/h
to 431 km/h on Supersport vehicles!
• Longevity: 5 relays at Le Mans (or 750 km), 30.000 km
on road
Grip/safety: lap time, grip on dry and wet
ground
8. Workshop 2 -
MICHELIN, the Ultra High Performance
Tuning specialist
Objective of this workshop:
Illustrate the effect of the change in dimensions
(diameter of wheel, width of wheel; sidewall height,
width of wheel flange) or tyre line carried out in tuning
on the vehicle’s performances
9. Workshop 2 -
MICHELIN, the Ultra High Performance
Tuning specialist
FRONT REAR
Vehicles Tyre Line Section Serie Seat LI SI Section Serie Seat LI
Audi R8 GT MTM MICHELIN Pilot Sport Cup+ 245 30 20 (90Y) 315 25 20 (99Y)
Audi R8 V10 MICHELIN Pilot Super Sport 245 30 20 (90Y) 295 25 20 (95Y)
Audi R8 V8 MICHELIN Pilot Super Sport 235 35 19 (91Y) 295 30 19 (100Y)
Audi TTRS MTM MICHELIN Pilot Sport Cup+ 265 35 19 (98Y) 265 35 19 (98Y)
Audi TTRS MICHELIN Pilot Super Sport 255 35 19 (96Y) 255 35 19 (96Y)
Audi TTRS MICHELIN Pilot Super Sport 245 40 18 (97Y) 245 40 18 (97Y)
10. Workshop 3 - Tyre effect
The objective of this workshop:
get you to feel the key role of tyres on sports
cars’ performances
How? You are going to compare on a Porsche 997 GTS:
• A MICHELIN racing slick tyre
• A tyre that is fully road legal but built for track use
=> MICHELIN Pilot Sport Cup+
• The Supersport that is Porsche’s reference tyre
=> MICHELIN Pilot Sport PS2
11. Workshop 3 - Tyre effect
Extreme driving On road driving
on track pleasure
MICHELIN Slick MICHELIN Pilot Sport Cup+ MICHELIN Pilot Sport PS2
AVANT ARRIERE
Véhicules à équiper Tyre Line Section Serie Seat LI SI Section Serie Seat LI
Porsche 997 GTS MICHELIN Slick 24 64 18 27 68 18
Porsche 997 GTS MICHELIN Pilot Sport Cup+ 235 35 19 (87Y) 305 30 19 (102Y)
Porsche 997 GTS MICHELIN Pilot Sport PS2 235 35 19 (87Y) 305 30 19 (102Y)
12. Workshop 3 - Tyre effect:
balance of vehicle in a bend
F tyre
F tyre
F centrifuged Tyres generate forces to go
against centrifuged force of car
in order to stay on the road
F tyre
F tyre
F=MV²/R=ΣFtyre
13. Workshop 3 - Tyre effect:
balance of vehicle in a bend
Strong strain
Low strain
Medium strain
F tyre
F tyre
F centrifuged
Lateral Force Fy
MICHELIN Pilot Sport PS2 19p
MICHELIN Pilot Sport Cup+ 19p
F tyre MICHELIN Slick 18p
F tyre
0 1 2 3 4 5 6 7 8 9
Slip Angle [°]
16. Start of Test Driving
• Driving position
• Your safety belt must be tied
• Headlamps must be switched on
• Check out the number of your starting box
• Turn on your left indicator before driving off
• Speed restriction: 60 km/h
• Departure from pit every 10 seconds
17. Driving session : safety
Drive at your pace and your level
Do not worry about looking at your rear
mirror, keep your trajectory
Leave your ideal trajectory to overtake
Respect safety distances between cars
Respect braking zones, materialised by
cones
18. Specific conditions: 911 Cup and Audi R8 GT3
You are the passenger of your instructor
Compulsory helmet, at your disposal in
your starting box
More in-depth discovery of tire effects
Pleasure of a session sitting next to your
instructor
19. Coming back from Test Driving
• Speed capped at 60 km/h and right indicator on
• Go to your starting box
• Park in forward gear
• Parking position without the hand brake on and stop the
engine
• Go to the following car via the walking zone, on the right
side of the pit
• Don’t forget anything in the car you have used!
