this aircraft is also for 2-4 stroke engine.flying weight is around 4200-4500.depends on buyer stuff.as i know ADRIAN you are in f3a hk .good luck buddy and also from my friend maddy.best of luck.just let us know when are you in hong kong.we would like to fly with you.and for sure we will have david with his new pattern ship.see you need more detail email to [email protected].