Explain differential gear ratios
What rearend gear ratio do I have?
There are a few ways that you can find your rear end gear ratio. You could count the number of teeth on the ring gear then divide that number by the number of teeth on the pinion gear. An example would be if the ring gear has 37 teeth and the pinion gear has 9 teeth, the gear ratio will be 4.11:1.
Is a rear differential the same as a rear axle?
The purpose for a differential axle is to multiply the amount of power that is inputted and create more power at the output end of the axle. A differential axle is an axle that incorporates a set of drive gears in the axle in the same manner as a rear-wheel drive vehicle uses a gear-equipped axle to power the vehicle.
What do differential gear ratios measure?
Differential Gear Ratio determines the number of times the drive shaft (or pinion) will rotate for each turn of the wheels (or ring gear). So if you have a 3.73:1 gear ratio the drive shaft turns 3.73 times for every turn of the wheel. Gear ratio is calculated by dividing the number of teeth on the ring gear by the number of teeth on the pinion ...
Which rear end gear ratio?
This vibration isn’t noticeable when the engine is idling or accelerating through the gears but is often misdiagnosed as a driveshaft out of balance of out of phase. The proper rear-end gear ratio can be selected using the following simple formulas whether using a direct-drive (1to1) or overdrive (usually 30%) transmission.
[PDF File]Developing the Gear Ratio Formula - SAE International
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Students derive the formula for finding the gear ratio of a pair of gears: gear ratio = teeth in driven gear/teeth in driver gear. Rationale Students express the gear rotation relationships mathematically. They investigate the concept of ratio. They find the gear ratio for trains of simple gears. Students will engage in the following:
[PDF File]Automotive Technology 6th Edition Chapter 130 – Drive Axles ...
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5. Differential disassembly, pinion shaft replacement, drive pinion depth, and pinion gear preload 6. Checking and correcting backlash and setting side bearing preload 7. Reassembly of the differential assembly and differential lubrication _____ OBJECTIVES: 1. Describe the operation of a differential and the gear ratios set types. 2.
[PDF File]Introduction to Gears & Gear Ratios
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What is a gear? How does it work? How does the size of the gear and different gear arrangements impact the overall performance of the gears? In this lesson we answer all of these questions and more. Students will be introduced to gears, and gear ratios. Students will also learn about torque and speed and how to determine if the gear ratio that ...
[PDF File]Differentials and Drive Axles Study Notes
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• Gear ratios are usually selected to provide the best combination of performance and economy Calculating Overall Gear Ratios If the transmission gear ratio is: 1.5:1 And the final drive gear ratio is: 3:1 The total final drive ratio is: 4.5:1 1.5 x 3 = 4.5 3 Ways to Determine Final Drive Ratio
[PDF File]Differentials - Linn–Benton Community College
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Gear Ratios • The overall gear ratio is equal to the ratio of the ring and pinion gears multiplied by the ratio of the gear the transmission is in • Numerically low gears are said to be “high” • Numerically high gears are said to be “low”
[PDF File]chapter 1 INTRODUCTION TO DRIVETRAINS - Pearson
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Explain gear ratios and their effect on vehicle operation. Discuss the types of manual transmissions and transaxles that are currently in use. Discuss automatic transmissions and the plane-tary gear sets used for automatic transmissions. Compare rear-wheel drive, front-wheel drive, four-wheel drive, and all-wheel drive systems.
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