Or vary the sweep of the canard as Beech did with the
StarShip.

Jim Carriere wrote:
Now, if you have a large nose-down moment from a high thrust line, the
foreplanes will have to make more lift to overcome that. There are two
ways to make the foreplanes produce more lift.
One way is leave the foreplanes physically unchanged but make the
airplane go faster- as you say, this requires a higher takeoff speed.
The other way is to make the foreplanes produce more lift at any given
speed by physically changing them (larger, different airfoil,
whatever). During flight if you take away the nose-down moment, for
example testing the airplane's handling in a power off stall, and
suddenly the foreplanes are able to produce much more lift than
necessary. If they produce so much lift that the main wing stalls
first, the airplane will suddenly pitch up and who knows what next.