Originally Posted by
kschu
hi randy, i have make up my mind to use 4.5 as u suggested....i'm getting d team orion vortex motor....
do u ever heard that lrp sphere competition 2007 esc cannot handle 3.5r motor ???
I only use the Sphere TC, but I think the regular Sphere can handle the 3.5r, just might have thermaling problems. I'd definately buy the optional fan/heatsink..