Automotive Technology: Principles, Diagnosis, And Service (6th Edition) (halderman Automotive Series)
6th Edition
ISBN: 9780135257272
Author: James D. Halderman
Publisher: PEARSON
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Textbook Question
Chapter 14, Problem 5RQ
What math function is needed to calculate the overall gear ratio if the transmission and differential ratios are both known?
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Calculate the Gear Ratio.
# of teeth input gear = 20
# of teeth output gear = 80
What is the gear ratio (in lowest terms)?
A
20 TEETH
DRIVER
(EFFORT)
O20:80
O 4:1
O 80:20
O 1:4
B
80 TEETH
By Ryan
DRIVEN
(LOAD)
Determine gear ratio and transfer function
Chapter 14 Solutions
Automotive Technology: Principles, Diagnosis, And Service (6th Edition) (halderman Automotive Series)
Ch. 14 - What is the formula for determining fuel economy?Ch. 14 - Why are the torque and horsepower of an engine...Ch. 14 - What service operation may require the technician...Ch. 14 - What service operation may require the technician...Ch. 14 - What math function is needed to calculate the...Ch. 14 - Prob. 1CQCh. 14 - Which of the following shows the relationship of...Ch. 14 - Prob. 3CQCh. 14 - Prob. 4CQCh. 14 - Prob. 5CQ
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- Which of the following gear ratios indicates an over-drive condition? a. 2.15:1 b. 1:1 c. 0.85:1 d. None of the abovearrow_forwardfirst and last gear having teeth 30 and 5C respectively of a simple gear train. What will be the train value and speed ratiorespectively if first gear is driving geararrow_forward40. Calculate the final drive gear ratio for a differential using a ring gear with 49 teeth and a matching pinion gear with 15 teeth. You may use a calculator. Final gear ratio = %3Darrow_forward
- Technician A says that if a single idler gear is used to obtain reverse gear, its size and number of teeth must be used to calculate gear ratios. Technician B says that an idler gear is often used for reverse gear because it causes the output shaft to rotate in the reverse direction of the input shaft. Who is correct? a. Technician A only b. Technician B only c. Both A and B d. Neither A nor Barrow_forwardProduct of radii of belt drivens to product of radii of belt drives is 1/speed ratio. Select one: True Falsearrow_forwardAudi’s design of their R8 model is designed in order to have the engine in the rear of the car with the following schematic of their mechanical power transmission. The engine is connected to the gearbox, where gear change occurs and then a driveshaft is used to transfer an equal ratio of power balancing the rear and front wheel power output thus referring to it as an all-wheel drive. The vehicle has been modified by a customer thus resulted to no power transfer to the front wheels although the rear wheels still have the same power output. 1) DEFINE and JUSTIFY the possible reasons of why the front drive isn’t functioning? 2) What are the solutions to this fault?arrow_forward
- There is a motor with a power of 38 HP. The driving pinion has a speed of 20 rpm and the driven pinion of 5 rpm. Design the driving pinion and driven pinion based on the rpm of each pinion. do not forget the module and the number of teeth for each pinion. Gear ratio value: i= 5 rpm / 20 rpm = 0.25arrow_forward3. You have engaged in open discussion in which you have to evaluate the conditions needed for anepicyclic gear train to become a differential. Using appropriate schematic and hand sketch show how adifferential works in this applicationarrow_forwardFind the gear ratios of given gear systems. z=10 z,=40 z3=7 z4=24 zs=14 zg=18 Giriş 24 26 23 OUT Giriş 26 OUTarrow_forward
- Find the gear ratios of given gear systems. z1=10 z-40 z3=7 z4=24 zs=14 z-18 girişlogin çıkışşexit Çıkış Çıkışarrow_forwardUsing the data below, calculate the following for all gear settings and list the results in a table form: The speed ratio of the MM245 Automotive gearbox. The input and output torque. The input and output power. The efficiency of the gear system. Gears Input Speed (rpm) Output Speed (rpm) Input Torque (N.m) Output Torque (N.m) 1 322 97 2,67 0,72 2 320 168 3.05 1,23 3 311 238 4,24 1,83 4 297 297 5,95 2,36 5 280 334 7,36 2,80 The moments of inertia of the parts attached to the input shaft A is 0.019 kgm2 and that of the parts attached to output shaft B is 0.1 kgm2. If input shaft A exerts a constant torque of 7.27 Nm and is geared to output shaft B, calculate the following: The gear ratio gives the maximum angular acceleration of output shaft B. The corresponding angular acceleration of each shaft.arrow_forwardQ.2 Determine speed of output gear if the input gear rotate at 200rpm. N₁-10, N₂-200, N₁-10, N₁-62, Ns-36, N6-22, and N-8 (1 Output Fixed Figure 6.16 Planetary gear train. Inputarrow_forward
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