Quote:
Originally Posted by freebeard
No problem. Some of the best threads result from a one-post-hit-and-run poster. Good to know
The context provided in Permalink #9
The discussion of rudders and semi trailer tails was from lack of context. A two-axle RV with large overhang could range from a Toyota class C motorhome to a Prevost. It was meant to.
aerohead likes numbers. Wheelbase? Overhang? Width? Height? ....for starters. Aeroforms are a totality. What happens in front can affect the rear --the classic example is a Porsche 911; if you add a spoiler at the back it has to be balanced be an airdam in front. If balancing of downforce is a primary goal
Pictures help. Of course, but this was a hypothetical discussion.
Bench racing? Have you seen this:
IIRC 123MPH, or so. Good front pressure gradient, lots of length for reattachment, I forget about the rear difusser, but they had another car on the salt.
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I have driven those GMC air suspension motorhomes back in the day, stability was not their forte. That LSR recently was impressive, but not something I would attempt.