DC motor MIG 400 Average 27.7 / 28.9 mm, length 38mm, weight 73 grams
Electric interference suppression capacitors within two mA.
The rear shield is a metal (except MIG 400 4.8 V).
The commutator is a copper wire to the commutator are spotted.
The rotor is dynamically balanced.
Shaft diameter 2,3 mm.
MIG 400 4,8 V
U = 4.8 V
n = 15 500 rev / min
eta max: 61.03%
N = 12 980 rev / min
I = 4.48 A
Mk = 60.47 mNm
P = 24.46 W
I = 12.19 A
N = 7731 rev / min
The engine has a plastic rear shield with 4 large holes in the front gable also has 4 large air vents for better cooling of the engine.