TerryE, they are true airfoils, as best as you can make raw foam into airfoil.
Troublecar24, what you need with the Slow Stick is a motor that can be put on a gearbox so as to swing a larger prop. The slow stick can't fly very fast without tearing the wings off!
A larger, slower prop with a geared brushless motor will let you have lots of lift and even verticle flight.