[aerohead]

I thought that the submerged NACA inlet provided the perfect teardrop taper curvature,both in elevation and plan, to allow the air to decelerate without vorticity,and provide the highest static pressure for ram effect to the heat-exchanger.Turbulence I can see,but I thought vorticity was always a "no-no".----------------------------- With regards to the "tubercules",would the upswept "kick" as GM has just modified into it's VOLT rear spoiler,provide the same effect as the "sawtooth"? If the wake is with turbulence but without vorticity,as a normal spoiler would create,would the sawtooth create a local interference drag adding to overall drag?