How exactly are people getting long run-times?

[lutach]

Originally Posted by drkdgglr

why would a 1400kv motor on 6s use less amps than an equivalent 1700kv motor, also on 6s and both geared for 35mph?

In general a lower Kv motor would have lower turns and offer higher torque. There are other factors that plays in this as well, but I'm not an engineer and would hate to give out the wrong info.