Originally Posted by howardcano

I haven't heard about any rule changes, but I do know that there has been a bunch of discussion about it. I find it amazing, and a bit disconcerting, that many people don't seem to understand the physics of the situation. If we are talking about open motors, then changing to 2s will have absolutely no effect on performance. But it is a way for manufacturers to sell new products to replace our "outdated" 1s equipment!