Top speed and gear ratio calculator

Tire Diameter on Large Sprocket mm inch. Enter the tire size diameter.

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Gear Ratio and Speed Calculator You can easily calculate your desired gear ratio and top speed of your go-kart by entering the engine speed engine sprocket teeth axle sprocket teeth and tire.

. Gear Ratio Calculator for Vehicle without Jackshaft This calculator determines the top speed of the vehicle with no margin for mechanical rolling or wind resistance. Top speed for 49 sprocket combinations. Enter the maximum safe engine RPM.

20 is green 10ish-20 blue and below 10 red. Tire diameter may vary slightly depending on the manufacturer. You can set the transmission ratio to 11 value calculate the ratio based on transmission gear sizes or.

Calculate RPM for Given SpeedMPH Rear Gear Ratio and Trans Gear Ratio. The gear ratio is 5 and the potential speed is just under 13 miles per hour. Input values Wheel tyre set up Wheel Size in Tyre Width.

Gear Ratio Calculator Calculate a top speed at a given engine speed at different transmission gearing. Use our vehicle speed calculator to calculate the top speed for each gear given the gear ratio engine speed RPM and tyre size. Gear Ratio and Speed Calculator You can easily calculate your desired gear ratio and top speed of your go-kart by entering the engine speed engine sprocket teeth axle sprocket.

Check Lock Centers and adjust sprockets - Chain links will adjust to maintain nearest to current Sprocket Centers. Change RPM and Gear in sprocket combinations matrix. MPRPM-6th Gear Help on.

Drag Max RPM slider to adjust the range of the RPM and Speedometer. Potential Speed Calculator This calculator requires the use of Javascript enabled and capable browsers. For example the default setup on the 700C sized Wabi bikes is 46T front ring and 18T rear cog.

This yields an 185 MPH speed at 90 RPM and allows for good acceleration and climbing. Applicable Calculator Formulae PI 314159 PI D C 314159 wheeltire diameter circumference of wheel. With our RPM calculator you can calculate your engines RPM based off of your vehicles speed tire.

Transmission ratio unknown calculate as 1. You may find it useful for calculating theoretical top speeds in mile and half mile. 20 is green 10ish-20 blue and below 10 red.

Enter your tire size. Adjust RPM Gear Help on. Enter gear ratios primary ratio sprocket sizes and tire diameter then drag RPM slider to calculate speed from RPM.

Default speed Help on. Colors group similar values. If in doubt use manufactures posted diameter.

For example a car with 22540R tires has a. A quick way to approximate that is to add the wheel diameter to twice the height of the tire sidewall and then multiply by Pi 314159. Colors group similar values.

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