Hi all still very new to all things multirotor , just wanted to know a few things about the actual shape of the quad frame , firstly im thinking of getting a TBS quad but wanted to know the differences in the actual main chassis , the TBS has a large main body but most others i see have the circular main body , is there any difference in the flying of the quad or its potential to carry greater weight , i understand you can put longer arms on the tbs for more lifting power along with larger props and stronger motors ,but is there any reason for the actual shape ??