Formulas given in this chapter are only for reference and description
of the adopted algorithms.
Basic kinematic scheme of the planetary transmission is shown in figure
.

Figure: Kinematic scheme of the planetary transmission
Numbered components in figure
are:
There are several transmission ratios for different mounting and
variants which is shown in table
where
![]()

Table: Transmission ratio as function of drive combination
The most common variant is Sun - Ring - Carrier. Other
connections are also used. Number of teeth is tested with the
following equation
![]()
where
must be whole number.