How does axle ratio affect acceleration?
A lower (taller) gear ratio provides a higher top speed, and a higher (shorter) gear ratio provides faster acceleration. . Besides the gears in the transmission, there is also a gear in the rear differential. If you want to know the car details such as maximum RPM and gear ratio’s, click here .
How does final drive affect acceleration?
Since torque is what helps you accelerate, a higher final drive ratio will give you better acceleration. The catch is that your engine also needs to work harder, i.e. produce more revs, for a given speed, so the higher your final drive ratio the more fuel you’ll be using.
Is final drive ratio the same as axle ratio?
Final drive ratio and axle ratio are one and the same. “Final drive” refers to the last set of gears that power goes through before it gets to the wheels. Bye bye, Bumblebee! Final drive ratio and axle ratio are one and the same.
Do lower gears accelerate faster?
Within the capability limits of the engine, shifting into a lower gear allows the engine to turn faster, allowing it to produce more power which the transmission converts into greater output torque for a given wheel speed.
Why do you need to change your final drive ratio?
But if you want better acceleration (or more top speed), there is an easier solution to your problem: Change your final drive ratio. The gears within your transmission aren’t the only gears in a car. There’s also a gear in the rear differential that puts the power to the ground. This is known as the final drive.
How is the transmission coupled to the drive axle?
The transmission output shaft is coupled to the drive axles via the differential. The differential is a necessary component of the drivetrain because the left and right drive wheels turn at different speeds whenever the car moves along a curve (e.g., turning a corner).
How does gear ratio affect the acceleration of a vehicle?
In the lower gears, because the gear ratio is higher, the wheel torque is higher thus the vehicle (engine) accelerates more rapidly. As we approach the top gear (8th), which means smaller gear ratios, the acceleration of the vehicle (engine) is slower. The minimum engine torque starts at 306 Nm, which is the full load torque at idle speed.
Is there a calculator that calculates the transmission ratio?
This calculator will provide the speed of the vehicle based on transmission gear ratio, engine RPM, tire height, and the ring gear and pinion gear ratio in the rear end axle differential housing. This calculator assumes you know the vehicle’s transmission ratio.