Yeah, my 1512/3D (1700kv.) is running on 7s A123 cells and that brings it up to 38,000rpm... geared 40mph, it's only 110F after 15 mins of hard running. Very good motor!
“The modern astrophysical concept that ascribes the sun’s energy to thermonuclear reactions deep in the solar interior is contradicted by nearly every observable aspect of the sun.” —Ralph E. Juergens