Calculate car gear ratios using spur and pinion gear counts and secondary gear ratios. Input values to determine final drive ratio. Compare low and high gear settings for acceleration, speed, motor load, and battery life.
Calculates , RPM, final drive ratio, and rollout in inches and millimeters. Stores setups and notes. Allows emailing of data for record keeping. Input pinion and spur sizes for calculations.
Calculate ratios and visualize speed-cadence graphs
Calculate ratios for bicycles with external gearboxes. Input chainwheel, sprocket, and tire sizes to generate speed-cadence and graphs. Simulate optimal ratios by toggling display settings for outer and inner gears.
Calculate pitch, gear ratio, RPM, slip, and speed by inputting any four variables. Toggle to select the parameter to compute. Provides precise mechanical and propulsion-related calculations.
Calculate teeth and speed for systems using provided formulas. Input values to determine sun, planet, and ring teeth. Simulate interactions and preview system behavior before 3D printing.
Calculate ratios for chainrings 44–70 teeth and cogs 8–20 teeth. Determine speed and cadence based on selection. Find the next higher or lower available in your current setup. Sync data between iPhone and Apple Watch.
Calculate RC car top using gear teeth, motor details, and battery info. Input data to get estimates. Record estimates for different setups. Compare with actual measured by gun. Save and review recorded data.
Calculate ratios, torque, and speed for train systems. Input teeth numbers and speeds to determine outputs. Simulate train operation instantly. Preview system functionality before 3D printing.