"ok, to be honest, that is even symmetric in some way
Yes, I know. I thought of names like "paired triple" or "complementary triple" but figured they weren't really any clearer, and:
I still think there is no fitting firmware,
I'm still reading everything I can find; haven't actually built/bought anything yet.Am struck by what appears to be a central hysteresis trade-off: Big props are efficient, but not responsive; small props are responsive but not efficient. Obvious…