I have 3 boards Hadlow 138 , Litewave Sprit 146 , skim board 5,3.
With out doubt changing the board to the conditions makes a difference. I only have kites up to 11.5m and only one session was I not able to go out as peeps where on 14m and 16m kites. I didn't want to get wet for that type of winds to be honest.