Simbotics Engineering
Engineering calculators for FIRST® teams
16 calculators built for FRC robots. Every one shows its formula, your numbers in it, and what the answer means.
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FRCSwerve driveTop linear speed, drive-base radius and maximum rotation rate of a swerve drive.FRCProjectile trajectoryPath of a launched game piece, whether it reaches a target, and the speed needed to hit it.FRCRobot stabilityTip angle and the acceleration a robot can take before it tips, from its centre of gravity.ElectricalCurrent budgetTotal robot current against the 120 A main breaker, and the battery voltage it leaves.ControlsFeedforward gainsTheoretical kV and kA for a drivetrain, elevator or roller, from motor specs and gearing.ElectricalVoltage dropVoltage lost in a copper wire run, as volts, a share of supply, and heat.
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FRCSwerve, shooters, odometry and stability: the numbers specific to FRC robots.5 calculatorsElectricalOhm’s law, wiring, current budgets and batteries.5 calculatorsPhysicsKinematics, energy and momentum.2 calculatorsControlsFeedforward gains and motion profiles for programmers.2 calculatorsManufacturingCNC feeds and speeds and sheet metal bending.2 calculators
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Every calculator goes input → formula → your numbers → result → what it means → assumptions. Learn the concept on resources.simbotics.org, run the numbers here, and check the working yourself.
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