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Originally Posted by The Badger
I wonder why nobody else has gone down that route , apart from Epsilon Euskadi ?
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As mentioned earlier in this thread, the issue is aero. LMP2 typically means a shorter wheelbase (shorter engine, bellhousing, etc.), and therefore the cockpit is closer to the rear wing and potentially disturbs airflow to it. An LMP1 can get away with it because there is the posibility of running the maximum wheelbase (wheelbase is theoretically free, but if you are running max front and rear overhang [1000 mm and 750 mm respectively] the max wheelbase you can run is 2900 mm for 4650 total length) in order to put the rear wing out as far as possible as that is now the primary device to alter rear wing position as everyone is at the maximm of 750 mm rear overhang. In the past rear wing position was a product of the rear overhang dimension, but with that fixed at 750 mm max (sure you can run less, but I don't think anyone is where as in the past under the free overhang dimension regulations it wasn't unheard of to see 1000+ mm) your only ability to control how far the rear wing is away from airflow distrupting structures is to alter the wheelbase as needed.