Originally Posted by PenguinDeD
Yeah, but I was assuming all things (including power output) were constant.
What's weird is on a 9% grade I climb at about 4000ft/hr, and on a 11-12% grade it falls sharply to 3400ft/hr. That's a pretty dramatic drop in climbing rate, and something's gotta account for it.
Unless I was just having a bad day, which could be too.
I think it works out. At 9% and 4000/hr and assuming the majority of the resistance is gravity and you maintain a constant engine wattage the 11% climb would simply be (9/11)*4000=3273
