Doc - Yeah, data. I can't even find a published drag coefficient on a Spridget, so the starting point remains an unknown. I've got nothing more than my gut feeling, and I'm hoping to glean an educated guess from this exercise. And yes, I look like a Praying Mantis in this thing.
Peter Jack - Yup, you don't need to be a rocket surgeon (brain scientist?) to see that it is, at best, a brick, albeit a rather small one.
McRat - Thanks for your post - the pickup analogy was something I wouldn't have come up with, and that's why I've got this thread going. And I do have plates for it . . . coast down test . . . hmmm
There's a nice, long stretch in Racine County just south of town - straight, flat as a billiard table. Hmmm . . .
I appreciate everyone's honest opinions. This is a variable that I may wind up keeping in play.
The fool's errand continues . . .