I added 10 Gr. to the nose due the boster weigth, i wanted to use 1/2A3-4T due i have a whole box, but the delay time is too long :( so i use A10-3T and flew perfect. i like the result but definitely this is not my scale, are too small i should upscale to 1:48 and use a 18 mm motors may be a :D...