18
Oct
10

Aero efficiency: you’re doing it wrong

One of the things I like and admire about the Toyota Prius is the assiduous attention to detail paid by its designers to reducing aerodynamic drag.  With the eyebrow-raising exception of the rear window wiper sitting smack in the middle of where you don’t want the airstream to separate, the car’s aero design is… well, elegant, in a balsa-shift-knob sort of way.

So of course some Vancouverite jackass has to stick a fucking cargo rack on the roof, because god fucking forbid we should neglect to consider that a suburban Vancouverite in a Prius might also own a bicycle and a pair of Telemarks.  I guess that rear wiper isn’t a problem if  flow separation happens halfway down the roof deck, but that’s not how we’re supposed to go about addressing problems.

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2 Responses to “Aero efficiency: you’re doing it wrong”


  1. 1 Tony
    October 19, 2010 at 10:44

    So, being aerodynamic is more important to you than actually being able to carry everything you need during a trip?

    Such snobbery… Real life isn’t a rally race you know.

    (Okay, granted, driving a Prius in the first place is a bad idea. Real motor vehicles have four wheel drives. ;) )

    • October 19, 2010 at 12:49

      So, being aerodynamic is more important to you than actually being able to carry everything you need during a trip?

      Lemme ‘splain: the Prius gets a fair chunk of its fuel economy not from its buzzword-compliant Hybrid Synergy Drive, but from its low coefficient of drag. Add more drag, and the Prius stops being a gas-sipping wunderauto and starts running its wheezy little three-cylinder at desperate speed. You can watch this happen on the centre console’s MPG estimator when you get into the turbulent air behind a big truck.

      If you buy a Prius and then wreck the coefficient of drag to add more cargo space, you might as well have bought something with more cargo space in the first place.

      (At least take the damn racks off when you’re not road-tripping!)

      Such snobbery…

      You must be new here. :-)

      Real motor vehicles have four wheel drives.

      Now you’re talkin’ sense!


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