Quote:
Originally Posted by MetroMPG
The amphicar's front wheel arch bodywork is designed to permit water flow to interact with the wheel/tire in a big way because the front wheels are what steers the car when in water.
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See? Now that's exactly why I posted this. Of course. I knew the front wheels were also 'rudders', but didn't make the connection. Thanks, Mr. Obvious!
So what I'm inferring from what others have done (others with more money for research and wind tunnel access), is that the radius does not need to be too pronounced. Just nice and smooth to help the airflow reattach.
This could be a fairly easy mod for a guy with autobody repair skills. A little snip here, a little bondo there...