For the B4, 20T is a good starting point, but you might need to go lower to get it controlable. The 5700 KV is a lot of motor (actually closer to a 6.5T) for 2wd buggy. Much better suited to 4wd in my oppinion...
When I got my B4 last year, I was able to try a 5700Kv in it before buying a ESC/motor. It was way too much... So I settled for a 4600 Kv... Result? Properly geared my 4600 is just as fast as the 5700Kv, but much more controlable due to a more progressive throttle curve. So much much better (better lap times)... I'm using a 5700 in 4wd Open and it is wicked fast...
Hope this helps!
|