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Old 01-15-2011, 06:42 AM   #32 (permalink)
tumnasgt
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Join Date: Feb 2010
Location: Wellington, NZ
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The Charger - '15 BMW i3
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Quote:
Originally Posted by galahs View Post
I wonder what fuel economy advantage there would be in saying having
- 3 spoke light weight wheels that are easier for the engine to accelerate but have more openings hence cause more aero dag
- vs heavier disk wheels which are harder for the engine to accelerate but have less or no openings resulting in less aero drag
I believe that's why the two latest generations of Prius have had alloy wheels with plastic trims on the outer edge, improving aero while not adding too much weight (which is especially important on the outer edge as it has a greater effect).
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