2 find the top rpm your engine is rated for. Fast way to determine gear ratio and speed.
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Top speed calculator go kart. The purpose of this calculator is to determine the potential speed of a go kart based on certain data. Use this form to calculate your top speed engine rpm top rated rpm for your engine teeth on axle number of teeth on axle drive sprocket teeth on clutch number of teeth. Balancing your choice of engine tire size and sprocket size is important for any go kart build. This calculator determines the top speed of the vehicle with no margin for mechanical rolling or wind resistance. Speed calculator english affordable go karts. Solid steel go kart axles.
For mini bikes 35mph is the top speed when using a torque converter. Go kart speed calculator to find your top speed follow these easy steps. These resistance factors could make the top speed slower than the calculation. Go kart gear ratio speed calculator mph. The factors considered by the calculator are max engine rpm tire diameter clutch sprocket size and axle sprocket size. Our default is for a slow safe junior kart.
Enter different values for each input item to see how they affect the max speed and gear ratio. The results are the circumference of the drive wheeltire combo in inches gear ratio and the potential maximum speed in mph. Change sprockets change speed. Go kart gear ratio tool. Mini bikes work best with a top speed of 25mph for all terrain. The higher the gear ratio the higher the top end speed.
Enter the diameter of the drive power wheel and tire combination. Use this form to calculate your top speed engine rpm top rated rpm for your engine teeth on axle number of teeth on axle drive sprocket teeth on clutch number of teeth on clutch sprocket diameter of rear wheel height of rear wheel in inches top speed miles per hour calculate. To use this speed calculator enter your motor sprocket axle sprocket tire circumference tire diameter x 314 and engine rpm then hit calculate speed button. The lower the ratio the stronger the acceleration power. Electric motors produce a high amount of torque under load so for example an electric scooter bike or go kart with a 500 watt motor and one rider could be geared to go 20 mph on flat ground and with the same gearing it would be able to go up a 7 grade at 10 mph. Make sure the tire is properly inflated and in good condition the diameter is the radius 2 or in this case twice the distance from the ground to the center of the axle.
An axle sprocket with a smaller diameter and fewer teeth will take off slowly but will reach a faster top speed. But will reach a slower top speed. 1 count the number of teeth on your clutch sprocket and the number on the axle drive sprocket. When using a clutch to drive your go kart the top speed on flat terrain is 35mph if the terrain is hilly or the weight of the driver is high the top speed should be 25mph. When using a torque converter with a go kart you may go as high as 45mph on flat terrain and 35mph on hilly terrain. Go kart max speed calculator.
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