Helicopter gearbox

(Planetary gearbox)
‪@dassaultsystemes‬ ‪@TheDassaultAviation‬ ‪@TheDailyAviation‬ ‪@simply_aviation‬ ‪@greatflyer_aviation‬ ‪@AviationNation‬ ‪@bobben2588‬ ‪@GEAerospace‬@engineer
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[@yaserhoseingholipour1614]

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[@dedawiawi2201]

Do I understand correctly that there are two planetary rows in the gearbox, where the satellites are fixed on the same axis? In this version, the gear ratio can be 1:100, adding another planetary row, you can get a gear ratio of 1:1000.

[@yaserhoseingholipour1614]

Yes, it is true, but this issue is directly related to the weight, volume and power that is needed (especially in a helicopter).

[@dedawiawi2201]

@@yaserhoseingholipour1614 ua-cam.com/video/L-f4A4f3pfQ/v-deo.html
To keep up, we are coming up with non-standard hydraulics and a coaxial version of the propellers