Graupner,GRAUPNER INLINE 4008,4 V,6531

GRAUPNER INLINE 4008,4 V Graupner 6531 The optimum BRUSHLESS motor for Mini-Mono and Mini-Hydro boats. The extended case design provides particularly high torque.
Hole spacing: 16 mm, holes threaded M2.5

Nominal voltage 8.4 V
Operating voltage range 7.2 ... 9.6 V
No-load speed 26,000
RPM / Volt 3060
No. of winds 18
Current drain at max. efficiency* 3 6 A
Maximum efficiency without gearbox 80 %
Permissible rotational direction R and L
No. of poles 2
Overall length 55 mm
Case length excl. shaft approx. 40 mm
Diameter 20 mm
Free shaft length approx. 10 mm
Shaft diameter 2.3 mm
Weight approx. 62 g
Intended application Mini-MonoMini-Hydro
Recommended boat propellers 31 mm Ø
Gearbox reduction ratio -
Recommended speed controller COMPACT CONTROL 10Order No. 2873
* Referred to operating voltage range These values reflect the current state of the technology, and may vary with continued development. Differences may arise according to the speed controller used.