The Ka-32 uses a coaxial gearbox with 2 spiral bevel gear stages and 2 counter-rotating planetary gear stages.[^1] It had a rotor RPM of 257 with a transmission ratio of 46.7.[^1] The gearbox weighed 720 kg with a quality value of 0.38.[^1]
Sources
- chaikoPropulsionDirectorateArmy
Backlink
[[Bevel Gear]]
[[Helicopter Transmission Performance]]
[[Ka-32]]
Planetary Gearbox