How to Calculate Sprocket Speed
The speed of the sprocket in a bicycle or similar vehicle depends on the overall vehicle's linear velocity. The faster the vehicle travels, the higher the angular velocity of its wheels. This angular speed transmits in full to the sprocket. The sprocket's linear velocity, in turn, depends on its angular velocity. With a steady angular velocity, a sprocket with a greater radius runs at a higher linear speed.
Instructions
- 1Multiply the distance the vehicle travels in feet by 0.3 to convert it to meters. If it travels 100 feet: 100 x 0.3 = 30 meters.
- 2Divide your answer by the time, in seconds, the vehicle takes to cover this distance. If it takes 2 seconds: 30 / 2 = 15 meters per second.
- 3Divide your answer by the wheel's radius, measured in meters. If the wheel measures 0.4 meters in radius: 15 / 0.4 = 37.5 radians per second. This answer is the angular velocity of both the wheel and the sprocket.
- 4Multiply your answer by the sprocket's radius, measured in meters. If its radius equals 0.2 meters: 37.5 x 0.2 = 7.5 meters per second. This is the sprocket's linear velocity.
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Read more: How to Calculate Sprocket Speed | eHow.com http://www.ehow.com/how_7769511_calculate-sprocket-speed.html#ixzz2ExDse12B
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