V4 Specifications :

Power range [W] max. 500 (15 Sekunden)
Poles 14
Idle current (I0) at 8.4V [A] 2,3
Internal resistance (Ri) [Ohm] 0,023
Recommended timing [°] 20 bis 25
Recommended timing [kHz] 8
Controller recommendation 50 - 70
Idle speed per volt (kv) 1185

Dimensions and weight :
Weight [g] 143
Length [mm]/[in] 40
Outer diameter [mm]/[in] 37,2
Shaft diameter [mm]/[in] 5