Gear Ratio Calculator Rpm

Use the rpm calculator to determine what rpm your engine will run based on gear ratio tire diameter transmission and mph. Drag max rpm slider to adjust the range of the rpm and kph gauges. Use the aspect ratio calculator below if you do not know your tire height.

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You know the ring gear and pinion gear ratio.

Gear ratio calculator rpm. Enter your desired rpm for racing or cruising here. Enter diff gear ratios and tyre diameter then drag rpm slider to calculate speed from rpm. 4th gear rpm is. See the gear ratio calculator in the spicer tool kit to determine your ratio.

6th gear rpm is. Enter your tire height here. Enter shift at rpm select gear to shift to and hit auto shift to run up through the gears recording shift point rpm and kph. Enter your axle gear ratio tire diameter vehicle speed and transmission gear ratio in the blue fields and click the calculate button to find your engine rpm.

Gears can be animated with various speed to demonstrate working mechanism. S 1 t 1 s 2 t 2 where. 5th gear rpm is. 5 speed or higher manual transmission in the last gear.

You know the tire height in inches. Tire height in. 3rd gear rpm is. Enter vehicle transmission gear.

Gear generator is a tool for creating involute spur gears and download them in svg format. 1st gear rpm is. The rpm calculator should be used as a guideline for comparative purposes only. 3 speed manual transmission in 3rd gear.

In general you can calculate rotational speed using the following gear ratio equation. If the speed of the driver wheel is 300 rpm the speed of the driven wheel is 100 rpm. Enter vehicle rear gear ratio. The ratios used for the transmissions are 0 70 for the automatic and 0 80 for the manual.

2nd gear rpm is. Enter vehicle rear gear ratio 2. Determine your engine s rpm based on the transmission gear ratio tire height mph and the ratio of your ring gear and pinion gear. S 1 is the speed of the driver wheel and t 1 is the number of teeth on that wheel.

Enter vehicle tire diameter. In addition it let you compose full gear layouts with connetcted gears to design multiple gears system with control of the input output ratio and rotation speed. Enter vehicle rear gear ratio 3. You can try various combinations to come up with an appropriate combination of ring and pinion gear ratio and tire diameter for your vehicle.

Enter your rear axle ratio here. This calculator will provide the speed of the vehicle based on the transmission gear ratio the engine rpm the tire height and the ring gear and pinion gear ratio in the rear end axle differential housing.