zNSFW
Hughes 500 helicopter transmission. Uses only two gear meshes to reduce turbine rpm of 6,000 down to rotor rpm of 500. Hughes 500 developed to the MD500 which is a civilian version of the US Army's OH-6A Cayuse/Loach.
https://i.imgur.com/ZzokWUr.gifv
User:
tonertonetone
Categories:
u_tonertonetone
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