(Steve Willner) wrote in message ...
In article ,
Jonathan Silverlight writes:
A Busssard ramjet, as you may already know. Doesn't work, for all sorts
of reasons.

Hard to build, no doubt, but "doesn't work?" Why not? Are you
thinking of the mythical "ramjet speed limit?"

Is there any chance of surmising from the design of Cassini whether a
sustantial differential in the EMR emmission is in one direction?
I suspect tumbling would be the most likely outcome, rather than
linear accelleration.

Jim G