Guy's
I have a Harpoon with 30 flights, it uses the Graupner/Eurokit metal units-the mounts are up to Grass use-it's a step up in quality on the Roo2.
I have a JR PCM10x set-up on my Web site using the flight mode switch to bring it in with elevator-it does great flap spins-really flat!
www.motorsandrotors.com
Dave Wilshere