DEFINITELY...you need to put at least half your bands in a criss-crossed direction. On my trainer, I use 18 to 20 bands with 10 or 12 being crossed
you put 18 to 20 rubber bands on your airplane??? why?? get a box of #64 rubber bands and you only need 8 max... and i do stupid things with my airplanes and never ever had the wing move on me. what size bands are YOU useing???????? holy cow[X(]