Quote:
Originally Posted by Arragonis
Spotted these on a Morrisons supermarket truck here the other day
No info on if it helps yet.
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Closing (or blanketing) the tractor - trailer gap could be one of their best appliances IMO
Also see Ulrich Steinlechner's posts with VG in front of the wheel arches: Cw is down - however slightly - by 0,001 despite the added drag of generating vortices.
That's in addition to the seriously reduced lift.
(Together with the nose, they've just about halved aerodynamic lift - that's massive ! )
And as lift induces drag ...