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Sachs Orbit[1]
  Number of gear teeth        
Gear Sun Gear 1 Pinion to Sun 1 Pinion to Ring 1 Ring gear 1 Path: 1=R to P, 2=Direct, 3=P to R Gear Drive Ratio Drive ratio as fraction Ratio incre- ment
1 17 15 15 48 1 0.738   48/65  
2 17 15 15 48 2 1.000 1        1.354
[1]
John Allen:
I counted teeth myself. The tooth count of the Orbit is different from that of other Sachs 2-speeds because a 24-tooth spline adjacent to the ring gear would not allow machining of a 47-tooth ring gear..