A stick offers increased flight performance from a trainer by getting rid of most or all of the dihedral but continuing to rely on the top wing placement to retain some stability by having the airframe weight slung under the wing.

The great advantages of this are it opens up inverted flight performance and reduces cross wind effects providing the learning pilot with greatly expanded flight characteristics over a trainer.

So good they are, that many experienced pilots continue to enjoy flying sticks considering that the enjoyment comes with such reasonable cost and issues. They are easy to build, maintain, fit and service the motor and fuel tank, and make great platforms to adapt to ones needs and desires.