On 2005-09-13, Larry Dighera wrote:
Even at 5X torque, it would seem that some gearing would be necessary
for a small motor to move an airliner. But there may be a way to
build that into the hub also.

Probably a planetary gear set. The motor's casing (if the armature is
held still and the case allowed to rotate) could form the sun gear.

--
Dylan Smith, Castletown, Isle of Man
Flying: http://www.dylansmith.net
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"Maintain thine airspeed, lest the ground come up and smite thee"