4 ms·

Apparently they don't start at all until 80C here: https://www.youtube.com/watch?v=wgeh7ZJRhZU https://www.youtube.com/watch?v=wgeh7ZJRhZU

• sushid 8y ago
  Mine runs at >6k RPM after 50-something Celsius.
• tedmiston 8y ago
  Mine are running at 2k RPM ~40 C.