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@Ordinata
I see the main problem is not fine tuning to ascent. (Which makes fixed all the more impressive)
There is mechanical loss, but also you cannot really shred the 2nd and 3rd gears (out of saddle) as drive pin has a habit of jumping out under rad torque. 1st is direct of course, so you can spank that all the way home.
65%, 75% and 100% (59.6. 71.6, 95.4 GI)
Christ knows how one goes up Sawyers on 84" !? Out of the saddle screaming I presume.