An Analysis of the Gear Meshing Characteristics of the Main Planetary Gear Trains of Helicopters Undergoing Shafting Position Changes

Table 2

A comparison between the simulation results and the theoretical calculation results.

Name	Theoretical values	Simulation values	Error
Meshing force (S-P)	16080 N	16442 N	2.2%
Meshing force (P-I)	16080 N	16789 N	4.4%
Meshing frequency	980.4	980.9	0.5%
Sun speed	1207.5 r/min	1207 r/min	0.4%
Planetary frame speed	258 r/min	258 r/min	0