Koford Engineering LLC has introduced a line of outer rotor 40mm diameter brushless motors with exceptional power to weight and size. Weighing only 203 grams they provide a peak output of 900 watts and a continuous output without external cooling or heatsinking of 499 watts. Available input voltages range from 12v to 48 volts and no load rpm from 3,100 to 12,400.  Peak efficiency is up to 89%.  Matching drives with speed pot or 0-5v control inputs are also available.

For more information, visit www.koford.com.