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4 results for “gear”

Formulae (4)

GR = \frac{N_{out}}{N_{in}}

Ratio of teeth (or speeds) between gears.

GR = \frac{N_{out}}{N_{in}}

Ratio of driven to driving gear teeth.

v = \frac{\pi d N}{GR \cdot G_f}

Road speed from engine rpm, gearing and tyre diameter.

\tau_{out} = \tau_{in} \times GR \times \eta

Output torque after gear reduction, allowing for efficiency.