Planetary reducer

Planetary reducer. From the given set can be collected one from eight a reduction degrees 4:1, 5:1, 16:1, 20:1, 25:1, 80:1, 100:1, 400:1.

Specifications:

Power supply: 3 V, 
Engine speed: about 10,500 r / min,
Current: 1.0 A.

1. Reduction: 4: 1; speed: 2625 r / min; Torque: 1.8 mN / m; 
2. Reduction: 5: 1; speed 2100 r / min; Torque: 2.2 mN / m; 
3. Reduction: 16: 1; speed: 656 r / min; Torque: 7.6 mN / m; 
4. Reduction: 20: 1; speed: 525 r / min; Torque: 8.8 mN / m; 
5. Reduction: 25: 1; speed: 420 r / min; Torque: 11.3 mN / m; 
6. Reduction: 80: 1; speed: 131 r / min; Torque: 35.3 mN / m; 
7. Reduction: 100: 1; speed: 105 r / min; Torque: 44.1 mN / m; 
8. Reduction: 400: 1; speed: 26 r / min; Torque: 176.5 mN / m;