dallara F308, Руководство пользователя, Страница: 24 / 40

COOLING and ADJUSTMENTS 24
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Depending on the ambient temperature and the engine manufacturer requested water
temperature you may need to adjust the cooling capacity of the car.
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The car is aerodynamically most efficient with the chimney’s closed We suggest to open the
chimney’s only when extra cooling is needed.
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For the event in which even more cooling is requested we will propose additional louvers on top
of the side pod. Mounting the louvers result in a slight increase of rear downforce.
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Cooling efficiency increases by sealing any eventual leakage in the inlet ducts to the radiators.
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Blanking generally slightly increases front and rear down-force. To keep the same balance you
need to reduce the rear top wing incidence, or increase the front flap incidence.
The aerodynamically most efficient way of adjusting the cooling is as follows:
requested
cooling
level
side pod
entry & exit
chimney louvers
LOW blanking closed none/closed
MEDIUM open closed none/closed
HIGH open open none/closed
EXTRA open open mounted/open
Side pod blanking:
side pod
entry
Side pod
exit
30% 25%
50% 50%
Blanking
levels
75%
Effects on balance:
Front Blanking
CONFIGURATION
EQUIVALENT INCREASE
IN REAR HDF WING INCIDENCE
no blanking Reference
30% front blanking
+0.5°
(in order to re-balance you should reduce
the rear wing incidence by 0.5°)
50% front blanking
+1°
(in order to re-balance you should reduce
the rear wing incidence by 1°)