Gear Ratio Basics - VEX Robotics 2026

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The document provides an overview of gear ratios, focusing on the relationship between driving and driven gears. It includes instructions for students to demonstrate their understanding by selecting correct answers related to torque and speed using a VEX IQ Gear Ratio Simulator with various gear sizes.

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Click ‘Get Form’ to open the Gear Ratio Basics document in the editor.
Begin by entering your Student Name(s) and Teacher/Class in the designated fields at the top of the form.
Fill in the Date field to indicate when you are completing this exercise.
Review the instructions provided. After studying the Gear Ratio Basics section, proceed to circle the correct answers for each question regarding driving and driven gears.
Utilize the VEX IQ Gear Ratio Simulator if needed, selecting from 12-tooth, 36-tooth, and 60-tooth kit gears to assist in finding accurate answers.

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What is the 3 1 gear ratio vex iq?

The 3:1 ratio tells us that the driving 12 Tooth Gear needs to turn three times in order to turn the 36 Tooth Gear once. That leads to a mechanical advantage of torque.

What is 5 1 gear ratio vex?

1:5 Gear Ratio For example, if a motor drives a 60T gear to a driven 12T gear on a wheel, when the 60T driving gear rotates once, the 12T driven gear rotates five (5) times. This is known as a 1:5 gear ratio. In this case, the speed output is 5/1 times as much, however, the torque output is 1/5.

What is the best gear ratio for a vex v5?

A decent gear ratio would be 3:7, and would probably be good for both a speed and torque based drive train, depending on which one you want. Its pretty good, and decently fast.

What are the standard gear sizes of Vex robotics?

This kit contains four sizes of VEX Spur Gears (12-, 36-, 60-, and 84-tooth gears). The 60- and 84-tooth gears have extra mounting holes for attaching metal bars or parts to these gears when using them as part of a turntable system or similar design.

What are the gearbox ratios for VEX?

VEX Plastic Gear Ratios ( 60 teeth, 36 teeth, 12 teeth) Output GearInput GearGear Ratio 60 teeth 36 teeth 5:3 36 teeth 60 teeth 3:5 12 teeth 36 teeth 1:3 12 teeth 60 teeth 1:52 more rows Nov 5, 2024

gear ratio simulator

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What is gear ratio in robotics?

The gear ratio is the ratio of the number of teeth on the output gear (the one connected to the wheel) to the number of teeth on the input gear (connected to the motor).

What is the gear ratio in Vex?

Gear ratios are often simplified fractions of the number of teeth on each gear. This is because (at least in Vex) gears have a proportional number of teeth to their diameter which defines the difference in output speed.