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Module 12. Helicopter aerodynamics, structures and systems
The intermediate gearbox is
•  an epicyclic gearbox.
•  a bevel gearbox.
•  a reduction gearbox.

Kbyrne asking:
•  It's a bevel gearbox

Community comments: 3
kernowgaz
Posts: 1
24.08.2017 / 21:46
I agree. It is a bevel gearbox. I have worked on aircraft with 1:1 ratio IGB's.
kostsop
Posts: 5
30.03.2018 / 01:54
the intermediate gearbox(45 degrees) is a bevel one.
bigbear
Posts: 2
02.07.2024 / 03:53
GREEE IT IS BEVEL GEAR
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