Multi-stage gear efficiency

Multiplies the ratios of consecutive gear stages.

Calculates idealized output torque from input torque, gear ratio, and efficiency.

Calculates worm-driven worm gear efficiency and self-locking flag.

Calculates bevel gear pitch angles for 90-degree intersecting shafts.

Calculates base circle diameter from pitch diameter and pressure angle.

Calculates center distance from two pitch diameters.