Two-stage planetary gearbox
grabcad
In the gearbox, power is initially applied to a sun gear with 18 teeth. It then transfers to a twin-satellite with 36 teeth (3 times the first satellite), which further multiplies it by 39 times. Subsequently, power is removed from a ring gear with 93 teeth. The approximate gear ratio is calculated as 134 or 134 plus 1/3. On the first stage of the gearbox, there are sun gears with 18 teeth, triple-satellite gears with 36 teeth, and a ring gear with 96 teeth. The second stage consists of satellite gears with 36 teeth and a ring gear with 93 teeth. Thanks to Scott Martin for an informative video!
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