There are a few different ways that you can calculate the gear ratio for your RC car. The most common way is to use a mathematical formula, but there are also some online tools that can help you out.
The first thing you need to do is find the transmission ratio.

This is usually listed on the transmission itself, or in the manual. Once you have this number, simply divide it by the final drive ratio. This will give you the gear ratio.

For example, if your transmission has a 3:1 ratio and your final drive is 2:1, then your gear ratio would be 1.5:1 (3/2).

- To calculate the gear ratio of an RC car, you will need to know the number of teeth on the pinion and spur gears
- Count the number of teeth on the pinion gear and divide by the number of teeth on the spur gear
- This will give you thegear ratio of your RC car

Contents

- How to Determine the Biggest Pinion Gear for Your RC Car
- What is Gear Ratio in Rc Cars?
- How Do You Adjust Gear Ratio on a Rc Car?
- What is a 5 to 1 Gear Ratio?
- What is a Good Gear Ratio for Rc Drag Racing?
- Rc Gear Ratio Calculator App
- Rc Crawler Gear Ratio Calculator
- Spur Gear Ratio Calculator
- Conclusion

## How to Determine the Biggest Pinion Gear for Your RC Car

## What is Gear Ratio in Rc Cars?

The gear ratio in RC cars is the number of teeth on the pinion gear divided by the number of teeth on the spur gear. This ratio determines how fast your car will go. A higher gear ratio will make your car go faster, while a lower gear ratio will make your car go slower.

## How Do You Adjust Gear Ratio on a Rc Car?

If you want to adjust the gear ratio on your RC car, there are a few things you need to know. The first is what the gear ratio is and how it works. The second is what factors influence the gear ratio.

And the third is how to change the gear ratio on your RC car.
The gear ratio is the relationship between the number of teeth on the pinion gear and the number of teeth on the spur gear. In other words, itâ€™s how many times the pinion gear turns for every turn of the spur gear.

The higher thegear ratio,the faster your car will go. But be careful â€“ if you make your ratios too high, your motor will overheat and damage itself.
There are three main factors that affect gearing: vehicle weight, terrain, and driving style.

If you have a heavy vehicle, youâ€™ll need lower gears so that your motor doesnâ€™t overwork itself trying to move all that weight around. If youâ€™re driving in sand or mud, youâ€™ll also need lower gears because those surfaces offer more resistance than smooth pavement does. Finally, if you like to race hard and drive fast, then youâ€™ll want taller gears so that your car can really fly down the straightaways!

Now that we know all about gearing letâ€™s talk about how to change it on our cars. For most RC cars these days, there are two ways to do this: via a slipper clutch or by using different size pinion gears and spur gears (this option is usually found only on older model cars).
A slipper clutch is an adjustable device located between the motor and transmission (gears).

It helps prevent wheel slip and allows drivers to â€śslipâ€ť into their next gear without having to worry about damaging their transmission components. To adjust a slipper clutch simply loosen or tighten its set screws until it provides just enough â€śslipâ€ť for comfortable shifting between gears â€“ too much slip and your engine will rev but not gain speed; too little slip and your transmission could get damaged from being forced into its next gear position.
Changing out different size pinion gears and spur gears requires disassembling part of your RC car’s transmission – which we don’t recommend unless you’re confident in your mechanical skills!

However, if you do decide to tackle this project yourself we’ve included some basic instructions below:

## What is a 5 to 1 Gear Ratio?

In a 5 to 1 gear ratio, the output shaft of the transmission turns five times for every one turn of the input shaft. This means that the transmission can multiply the engineâ€™s torque by five, making it much easier to turn the wheels.
This high gear ratio is often used in off-road vehicles, which need extra torque to get through tough terrain.

Itâ€™s also useful for towing or hauling heavy loads.
To achieve a 5 to 1 gear ratio, the transmission needs two sets of gears: a set of lower gears (known as pinion gears) and a set of higher gears (known as ring gears). The pinion gears are attached to the input shaft, while the ring gears are attached to the output shaft.

The pinion gears mesh with the teeth on the inner circumference of the ring gears. As the input shaft turns, it drives the pinion gears which in turn rotate the ring gears. This causes the output shaft to rotate at a faster speed than the input shaft, resulting in a mechanical advantage or multiplication of force.

## What is a Good Gear Ratio for Rc Drag Racing?

A good gear ratio for RC drag racing is one that allows the car to accelerate quickly and reach high speeds. The ideal gear ratio will vary depending on the track conditions and the type of race car being used. For example, a shorter track with a lot of turns may require a lower gear ratio to allow the car to corner better.

A longer straightaway would be better suited for a higher gear ratio so the car can reach its top speed. There are many different setups that can be used, so it is important to experiment and find what works best for your particular setup.

Credit: www.amazon.com

## Rc Gear Ratio Calculator App

If you’re into RC cars, then you know that one of the most important things to consider is your gear ratio. But what is a gear ratio and how do you calculate it? A gear ratio is simply the number of teeth on the pinion gear divided by the number of teeth on the spur gear.

So, if your pinion has 15 teeth and your spur has 60, then your ratio would be 15/60 or 1:4.
There are a few different ways to calculate your desired gear ratio, but our favorite is using an app called RC Gear Ratio Calculator. This app allows you to input all sorts of different variables like tire size, motor kV, battery voltage, and more in order to find the perfect setup for your RC car.

Once you have all of your information entered into the app, it will spit out a bunch of numbers. The first number is your final drive ratio (FDR), which is just another way of expressing your overall gear ratio. The next two numbers are your transmission’s internal ratios – these are the ratios between each set of gears inside your transmission (usually 2 or 3).

And finally, there’s your estimated top speed in eachgear with various combinations of motors and batteries.
This may seem like a lot of information to digest, but don’t worry – it’s actually pretty straightforward once you get used to it. Plus, having this kind of knowledge at your fingertips will help you fine-tune your car until it’s running exactly how you want it!

## Rc Crawler Gear Ratio Calculator

A gear ratio is simply the number of teeth on one gear divided by the number of teeth on another gear. The lower the gear ratio, the more torque you will have but less speed. Conversely, a higher gear ratio means more speed but less torque.

In order to find your ideal gear ratio for your RC crawler, you can use a simple calculator like this one:
https://www.peters1coupons.com/gear-ratio-calculator/
Just input the number of teeth on each individual gear in your transmission and it will spit out the resulting ratios.

You can also play around with different combinations of gears to see what results you get. Generally speaking, a lower gear ratio is better for crawling while a higher ratio is better for speed. However, it ultimately comes down to personal preference and what works best for your particular setup.

## Spur Gear Ratio Calculator

If you need to calculate the speed of a spur gear train, or the torque that will be applied to a driven gear, then you’ll need to use a Spur Gear Ratio Calculator. This type of calculator is specifically designed to take into account the number of teeth on each gear in order to provide an accurate result.
There are a few things that you’ll need to know in order to use this calculator correctly.

First, you’ll need to know the number of teeth on both the driving and driven gears. You can usually find this information stamped on the gear itself, or in the manufacturer’s specifications.
Next, you’ll need to enter the desired ratio into the calculator.

This is simply the number of turns that the driven gear will make for each turn of the driving gear. For example, if you want a 4:1 ratio, then you would enter 4 into this field.
Once you’ve entered all of the necessary information, simply click “Calculate” and your results will appear instantly.

## Conclusion

If you’re into RC cars, then you know that one of the most important things to consider is the gear ratio. But what exactly is a gear ratio? And how do you calculate it?

Don’t worry, we’ve got you covered. In this blog post, we’ll explain everything you need to know about gear ratios and how to calculate them.
A gear ratio is simply the ratio of teeth between two gears.

The first number is always the number of teeth on the pinion gear (the smaller gear) and the second number is the number of teeth on the spur gear (the larger gear).
For example, if your pinion gear has 9 teeth and your spurgear has 24 teeth, then your Gear Ratio would be 2.7:1 (9/24 = .375 = 2.7:1).
Now that we know what a Gear Ratio is, let’s talk about how to calculate it.

Thankfully, it’s actually pretty simple.
All you need is a few basic pieces of information: Ă‚Â· The number of teeth on both the pinion and spur gears Ă‚Â· The motor speed in RPMs Ă‚Â· The wheel size in inches Once you have all of that information, just plug it into this formula: Gear Ratio = (Motor Speed * Pinion Teeth) / (Spur Gear Teeth * Wheel Size) Let’s say our motor speed is 12000 RPMs, our pinion has 9 teeth, our spur has 24 teeth and our wheel size is 4 inches. Plugging all of that into our formula gives us a finalGear Ratioof2.7:1(12000*9)/(24*4)=2700/96=28125/1024=2.71484375 which rounds up to 2.7:1 like so: 12000*9/(24*4)=2700/96=28125/1024=2.(7) So there ya have it!