The intermediate gearbox is
- an epicyclic gearbox.
- a bevel gearbox.
- a reduction gearbox.
Explanation from PART66Online
The intermediate gearbox in a tail-rotor drive train uses bevel gears to turn the drive shaft through the angle change up the tail boom toward the tail-rotor gearbox. It is a direction-changing unit rather than an epicyclic reduction stage, which is the type used in the high-reduction main rotor gearbox.
K
Kbyrne asked · 21 Oct 2015
It's a bevel gearbox
Community Comments (3)
K
kernowgaz
24 Aug 2017
I agree. It is a bevel gearbox. I have worked on aircraft with 1:1 ratio IGB's.
K
kostsop
29 Mar 2018
the intermediate gearbox(45 degrees) is a bevel one.
B
bigbear
2 Jul 2024
GREEE IT IS BEVEL GEAR
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