3.8.4 Any vertical cross section of bodywork normal to the car centre line situated in the volumes defined below must form one tangent continuous curve on its external surface. This tangent continuous curve may not contain any radius less than 75mm :
a) the volume between 50mm forward of the rear wheel centre line and 300mm rearward of the rear face of the cockpit entry template, which is more than 25mm from the car centre line and more than 100mm above the reference plane ;
b) the volume between 300mm rearward of the rear face of the cockpit entry template and the rear face of the cockpit entry template, which is more than 125mm from the car centre line and more than 100mm above the reference plane ;
c) the volume between the rear face of the cockpit entry template and 450mm forward of the rear face of the cockpit entry template, which is more than 350mm from the car centre line and more than 100mm above the reference plane.
d) the volume between the rear face of the cockpit entry template and 450mm forward of the rear face of the cockpit entry template, which is more than 125mm from the car centre line and more than 675mm above the reference plane.
The surfaces lying within these volumes, which are situated more than 55mm forward of the rear wheel centre line, must not contain any apertures (other than those permitted by Article 3.8.5) or contain any vertical surfaces which lie normal to the car centre line.
3.8.5 Once the relevant bodywork surfaces are defined in accordance with Article 3.8.4, apertures, any of which may adjoin or overlap each other, may be added for the following purposes only :
- single apertures either side of the car centre line for the purpose of exhaust exits. These apertures may have a combined area of no more than 50,000mmP2 when projected onto the surface itself. No point on an aperture may be more than 350mm from any other point on the aperture.
- apertures either side of the car centre line for the purpose of allowing suspension members and driveshafts to protrude through the bodywork. No such aperture may have an area greater than 12,000 mmP2P when projected onto the surface itself. No point on an aperture may be more than 200mm from any other point on the aperture.
From this i am guessing these apertures are bellow the area limit, however the regulations say
single apertures either side
if they aren't considered apertures
, then they are governed by 3.8.4 a) and b) and they seem not to meet the rules there.
The only way they can pass is if they form one continuous curve on a vertical cross section on the external areas of the engine cover. The perimeter of the aperture bounder by it's major axis has to lie in a different plane than the other half of the perimeter. Along with this the aperture must not be visible when looking from a plan view, since that would mean the curve in the cross section wont be continuous.
It has to be like this ^^ but clearly we can see the holes from the side and top