David Lednicer wrote:

The induced drag efficiency ("e") of the Voyager was around .5, as
opposed to .75-.8 on conventional configurations. Simply put, the
Voyager could have gone around the world with less fuel if it had been
conventionally configured.

Great post, thanks. Why'd they choose a canard configuration?
Were their aero estimates optimistic or was there some other
reason for the canard?

Dave 'trim drag' Hyde