Hi Simon,
1. For calculated values, No Load Amp. spec. from manufacturer (Motor spinning free, No prop, No gearbox) For measured values, Motor in tank with gearbox and tracks.
2. Newton
3. Tillquist multimeter and a Testo rpm meter. Kyoritsu amp meter was temporary.
More details:
http://www.rcuniverse.com/forum/m_70...tm.htm#7044893
Regards
Jake