I went 37mph on 20s1p today and the front felt light. I'll keep it around 25mph and only use my max power leaving the stoplight. I ran full speed to work. Hub was 110F or so, but the kicker is that I only used 2500mah at that silly speed.
6 KiloWatt A123 Racer
GTP-Pletty Big Maxximum+RX8. GTP-C50-6L Hacker+RX8. CRT.5-Pro4+ZTW esc.
24s2p EVG SX 49.6mph Ebike.
18s4p Raptor 60mph Ebike. 11.5KW