On 2020-05-20 7:48 AM, Jeff Findley wrote:

Agreed. If the EMDrive only works in a magnetic field, it's useless for
"deep space" but would be quite useful in earth orbit. An example of
this is magenetorqurers used on satellites in earth orbit. Quite
useful, as they expend no fuel. But completely useless beyond earth's
magnetic field.

https://en.wikipedia.org/wiki/Magnetorquer

Jeff


Thanks for the magnetorquer link! Very interesting.

Another place in space for a magnetic drive might be in orbit around
Jupiter which has the strongest planetary magnetic field in the solar
system.

Dave