No actually - but I see what you mean. Impul got it :P the angles piggy-back off the existing wake control the mirrors have (mainly the inboard separation line and negative rake) catching the bottom 1/4 of the mirror venting (downward), 3/4 is upwards along the sweeping edge, so the whole mirror feels a net down + rotation from the top backwards. These will catch the weak turbulence off the bottom and direct it somewhat smoothly back in to the wake. A weak downforce addition (don't want to damage the mirrors) while neutralising the rotational force... and if the math's correct, shortening the ~5 foot wake the mirrors cause, down to less than 16 inches (coefficient of drag from 0.32 to ~0.30-0.29). I figured if the sports cars are moving to mirrorless designs because of how much they add to the cars drag, I might as well make the mirrors as invisible to the wind as I can lol
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View my fuel log 2015 Micra SV automatic: 7.1 L/100 km ... 39.9 mpg (Imp) ... 14.1 km/L ... 33.3 mpg (US) ...