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submitted 2 months ago by hypertown@lemmy.world to c/196

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[-] Successful_Try543@feddit.org 4 points 2 months ago

Not civil but mechanical engineer here. There are some rule of thumb formulas involved during the construction of a gearbox, e.g. the diameter in mm of a shaft at the bearings: cubic root of the torque in Nm. The 'necessary volume' of a gear wheel is another formula involving adventurous math.