With both engines at 90 deg on a twin, is there a sufficient amount of weight that needs to be placed on the left wingtip to lateraly balance a twin. I can place my battery against the left side of the fuse to help a little, however it will take a bit more weight to completely balance the plane. I read in an article about adding weight to a wing tip to conteract the torque on takeoff. I believe it was to make the right wing tip a little bit heavier. Would this also hold true for twins?