Just my bookmark:
http://www.stardrivedevice.com/Tesla_notes.html
yes, the field could be part of space.
the magnet creates the field but the field is part of the fabric of space.
(like a propeller spinning in a zero viscosity fluid)
a uniform field can not be measured as moving.
couple of links on this page. (and a space drive)
http://www.overunity.com/index.php?topic=4599.0
Cliff,