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The Speed 400 has been developed because of the excellent performances of these small E-motors. They are ideal for direct drive power systems of model boats having one or several motors.
There is a wide range of accessories especially for these motors with a shaft diameter of 2.3 mm.
GRAUPNER SPEED electric motors are equally well suited for model planes, boats and car applications. The nominal operating voltage is in each case marked on the motor case for ease of identification.
Part Number: G3321
Nominal voltage 6V
Operating voltage range 2.4 to 7.2V
No-load rpm 18000 min.
No-load current drain 0.7amp
Current drain at max. efficiency 4amp
Current drain when stalled 25amp
Max. efficiency without gearbox 70%
Length of case excl. shaft 37.8mm
Free shaft length 13.8mm
Shaft diameter 2.3mm