brushless motors .... 4 poles vs 2 poles
 

car rb5sp 4x2 1.8kg
lipo turnigy nano tech 3s 3300 3s 45c
esc ezrun sc8 without fan
pinion 19t


feigao 3650 3500kv 2 pole ............... 225gr ......... autonomy 18min ....... temp 46cº ....... top speed 56kmh

leopard lbp3650 3900kv 4 pole ....... 180gr ......... autonomy 24min ........ temp 34cº ..........top speed 61kmh

Pics of the motor internals please. What wind as the 4 pole motor?

soon I will make a vid with detailed photos and the car on the track ;)

soon another vid with detailed photos of the motor :D

http://www.youtube.com/watch?v=WYHdyvYHge8

http://i622.photobucket.com/albums/t...h/S2340004.jpg
http://i622.photobucket.com/albums/t...h/S2340005.jpg
http://i622.photobucket.com/albums/t...h/S2340006.jpg
http://i622.photobucket.com/albums/t...h/S2340009.jpg
http://i622.photobucket.com/albums/t...h/S2340008.jpg

leopard hobby says they do not make a 40x60mm motor with a 3mm shaft.

does anyone know if its possible to replace a 5mm rotor with a 3mm rotor, on say a 40x60mm motor ?

or, hm, where can i find Ø 3mm shaft 48pitch pinions ? thinking there's a minimum teeth count on those..?