3 ms·

And here they are installed flat on the car roof which makes the efficiency even worse.

• calamari4065 3y ago
  When panels are mobile, such as when attached to a moving object, flat is the most efficient angle.
  • thsksbd 3y ago
    Not when they overhang the front nose
  • realusername 3y ago
    Good point, I overlooked that, there's no way to be as efficient on a moving object anyways and being flat makes it less worse.