Yep; that's what I was asking. I imagine that you may be right; but given the magnitude of the disturbance needed to warp space in the needed way, it just seems intuitive that the ancillary effects of a warp field would be non-negligible.
The analogy that I guess put this in my mind was...
For kicks, I have been reading the following AIAA/NASA paper on hypothetical space drives:
http://www.grc.nasa.gov/WWW/bpp/1997-J_AIAA_SpaceDr.pdf
Now, I have to admit that I only have a cursory understanding of general relativity & differential geometry.
But assume for a moment the...