Chuck, Your right there is no way here to *simply* say 1 lb = 1.8 hp. Thats why a spreadsheet is in order.
Aside: Rotational has and extra "inertial cost" Not only do you have to push it forward (like the spare tire in the front boot) but it also uses energy to get it spun-up.
To get to how much more "inertial cost" reqires more math than I want to do in my head while eyeing some cool looking 18" rims. . . that would allow me to put some larger brake disks and . . .
I look fwd to this spreadsheet.
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