hi!
ı have graupner extra and st g-90 and ı yse 13*7 prop!is ther anybody use 3 blade prop?also ı have graupner 13*7wide prop,can ı use this prop!ı dont want to make 3d,ı want vertical speed!and ı want to add smoke on it!please send me some photos of inside ,if you have!ı want to see how can ı add smoke pump and smoke tank on it!
thank you!!

Hey memotr, I dont know anything about the props or smoke, but I have the same airplane as you and Im thinking about getting the same engine you have also. Could you please tell me how your st g90 performs. Do you like it. Does it have really good vertical performance?
Thanks Mark

hi...
ı prefer you to take one ,ıt is very strong and ı fly with 13*7 but ı will put 14*6on it!
now ı'm working about smoke!i'll put smoke tank inside the canopy and also g-90 will carry it on vertical line!!!but ı have a problem about engine cut off ;ı think my engine has a problem about ıt, ı doesn't stop!don't think about it ;take one.......