Me6602 syllabus automobile engineering regulation 20. Technical what is the difference between a torque tube and. All shaftdrive systems consist of a driveshaft also called a propeller shaft or cardan shaft extending from the transmission in front to the differential in the rear. Pdf automobile engineering free notes, ebook for btech. The axle pivots have to be locked or replaced with solid ones also. Feb 26, 2015 unit iii transmission systems clutch types and construction, gear boxes manual and automatic, gear shift mechanisms, over drive, transfer box, fluid flywheel torque converter, propeller shaft, slip joints, universal joints differential, and rear axle, hotchkiss drive and torque tube drive. On the basis of shaft type, the market is classified into torque tube drive shaft, flexible drive shaft, and hotchkiss drive shaft. The drive shaft inside the tube is supported by a series of bearings. Oct 15, 2018 drive shaft designs come in two types. Torque tube driveparts, working principle, advantages. In contrast, the hotchkiss drive transmits the traction forces to the car frame by. Hotchkiss drive and torque tube drive 34k views viral. One end of the torque tube is attached to the axle casing, while the. The torque tube with a single universal joint and the more common hotchkiss drive with two or more joints.
Chapter 11 drive lines, differentials, drive axles, and. A drive shaft, driveshaft, driving shaft, tailshaft australian english, propeller shaft prop shaft, or cardan shaft after girolamo cardano is a mechanical component for transmitting torque and rotation, usually used to connect other components of a drive train that cannot be connected directly because of distance or the need to allow for relative movement between them. It must reduce the driveline speed from that of the engine to that of the driving wheels in a. Explain hotchkiss drive and torque tube drive with neat sketch.
On the basis of application, the market is segmented. Aug 03, 2017 this video is all about types of drives used in the vehicles. The torque tube also allowed buick, beginning in 1938, to use coil springs for a softer ride than traditional leaf springs, which can use a hotchkiss drive, but coil springs cannot. Torque tube driveshaft, hotchkiss driveshaft and other. Two closedtoopen drive line swaps on the same page. Many drives are used, out of which the two important ones are the hotchkiss. Drive lines, universal joint, differential and drive axles. In contrast, the hotchkiss drive has the traction forces transmitted to the car frame by using other suspension components such as leaf springs or trailing arms. One universal joint is used at the front of the drive shaft, and the rear of the drive shaft is attached to the axle drive pinion through a. Pdf the term automobile or automotive stands for a vehicle which can be moved by itself. Anna university regulation 20 mech me6602 ae notes for all 5 units and mech 6th sem me6602 automobile engineering lecture handwritten notes are listed down for students to make perfect utilization and score maximum marks with our study materials. Types of automobile drives advantages and disadvantages. Based on the material type, the market is divided by steel, aluminum, and other material types. The spherical end fits in a cup bolted to a cross member of the vehicle frame.
There are many types of drives, out of which two are important. Toyota 19841987 rwd corolla mechanical service manual. Most of these vehicles have a clutch and gearbox or transmission mounted directly on the engine with a drive shaft leading to a final. There is a way a 19491954 chevrolet passenger car enclosed drive line can be converted to open. Torque reaction, driving thrust and the braking torque was taken by another member which is called the torque tube. Ford cars used torque tube drive from the model t to 1948, and chevy cars and trucks changed to open drivelines in the early 50s. No actual toons were harmed in the making of this comic. Me6602 ae notes, automobile engineering lecture handwritten. The tube is a major structural component of the car as well, linking the engine in the front to the transmission in the rear. Types of automobile drives advantages and disadvantages of. Drive forces from the wheels are transmitted through the rigid torque tube to the transmission mount. A ball and socket type of joint called a torque ball is used at one end of the torque tube to allow relative motion between the axle and transmission due to suspension travel. By types, the market has been segmented into hotchkiss drive shafts, flexible drive shafts and torque tube drive shafts.
Click here to get latest sample pdf copy of updated research 2019 for free. In the last class, we had discussed hotchkiss drive in a. On the basis of design type, the market is categorized into hollow drive shafts and solid drive shafts. The hotchkiss drive is the simplest of the drive systems and is the the torque tube drive, which is still fairly widely used is shown in picture. The front end of this member is spherical in shape. In the differential to correct for heavy face contact on the drive gear teeth, it is necessary to move the a.
Department of mechanical engineering page 143 automotive. Ford used the torque tube design as it allowed the use of only a transverse spring with the outer torque tube and vshaped radius rods used to hold the rear end in place so it wouldnt move sideways. In the hotchkiss drive, rear axle torque and the propelling and retarding forces are taken up by the rear springs. Since the mass of the car is large compared with the unsprung weight per wheel, we can assume as a first approximation. Clutchtypes and construction, gear boxes manual and automatic, gear shift mechanisms, over drive, transfer box, fluid flywheel, torque converter, propeller shaft, slip joints, universal joints, differential and rear axle, hotchkiss drive and torque tube drive. Pdf me6602 automobile engineering ae books, lecture. It was the dominant means for frontengine, rearwheel drive layout cars in the 20th century. Dec, 2019 click here to get latest sample pdf copy of updated research 2019 for free. Torque tubes were fairly common until the early 1960s they were used by, among others, american motors, buick, and chevrolet, but they fell out of favor because the torque tube adds significantly to unsprung weight. Hotch kiss drive hotchkiss drive forces act on hotchkiss drive torque tube drive torque tube drive. Explain hotchkiss drive and torque tube drive with neat.
Install a dial indicator with the plunger on the hub of the torque converter approximately 34 from the. Chapter topic page no unit ivsteering, brakes and suspension systems 4. An automobile rear suspension designed to take torque reactions through longitudinal leaf springs explanation of hotchkiss drive. In frontengined, reardrive vehicles, a longer drive shaft is also required to send power the length of the vehicle. The torque tube consists of a large diameter stationary housing between the transmission and rear end that fully encloses a rotating. The name comes from the french automobile manufacturer hotchkiss, although other makers, such as peerless, used similar systems before hotchkiss during the early part of the 20th century chaindrive power transmission was the main.
Chief function of the device is to receive power at one torque and angular. Position type front wheel drive shaft, and rear wheel drive shaft global industry analysis, trend, size, share and forecast 2016 2024. The hotchkiss drive is a system of power transmission. Hotchkiss driveparts, working principle, advantages. This system became known as systeme panhard after the automobile company panhard et levassor patented it. Before installing your quick drive, bolt your torque converter to your flexplate with all attaching bolts.
Me6602 syllabus automobile engineering regulation 20 anna university free download. Two universal joints and one slip joint are must needed. Torque tube drive nash kelvinator corp freepatentsonline. In a torque tube drive, the driving thrust is applied to the. In the torque tube drive, the spring takes the weight of the body, side thrust, and the remaining i. Take the torque reaction,driving thrust, side thrust 3. Basically what happened wasthe torque tube is a hard steel tube in which the actual driveshaft for the car sits. Install a dial indicator with the plunger on the hub of the torque converter approximately 34 from the end of the hub. Because ujoints transfer power at an angle they do not rotate at a constant velocity nor are they vibration free. Hotchkiss drive shafts are the most popular form of shafts used for rear axle suspension and are commonly found in heavy commercial vehicles and passenger cars. In all these arrangements, springs takes weight of the body. Automotive drive shafts market size, status and industry.
Rear chassis, possibly of a napier, with torque reaction taken by a long girder alongside the jointed driveshaft the hotchkiss drive hottchkiss a shaft drive form of power transmission. Hotchkiss drive is the most widely used type of rear axle drive. Drive shafta hollow metal tube that transfers turning power from the front. What are hotchkiss drive and torque tube drive in detail. In all the drives which are employed for rear axles, the springs take the weight of the body. Nov 15, 2019 in contrast, the hotchkiss drive has the traction forces transmitted to the car frame by using other suspension components such as leaf springs or trailing arms. Sep 08, 2017 that all above drive employed for rear axle the spring take the weight of the body. Automotive drive shafts market trends, share, scope, and.
Unit 3 deals with clutches, manual and automatic gear boxes, gear shift mechanisms, overdrives, propeller shaft, transfer box, fluid flywheel, torque converter, slip joints, universal joints, differential, rear axle in transmission systems, and hotchkiss drive and torque tube drive. Unit i vehicle structure and engines types of automobiles, vehicle. This invention relates to torque tube construction and has particular reference to means for connecting the torque tube housing the drive shaft in an automotive vehicle to the power unit of the vehicl. Comparison between hotchkiss drive and torque tube drive 3. It involves the use of a 19531955 corvette third member. Torque tubes differ from the hotchkiss design in that a solid drive shaft is enclosed in a hollow torque tube and rotates within a support bearing to prevent whipping. Nov 14, 2016 the hotchkiss drive is a system of power transmission. The hotchkiss drive is a shaftdrive system another type of directdrive transmission system is the torque tube, which was also popular until the 1950s. Torque reaction, driving thrust and the braking torque were taken by another member which is called the torque tube. Unit iii transmission systems clutch types and construction, gear boxes manual and automatic, gear shift mechanisms, over drive, transfer box, fluid flywheel torque converter, propeller shaft, slip joints, universal joints differential, and rear axle, hotchkiss drive and torque tube drive. Scribd is the worlds largest social reading and publishing site.
Hotchkiss drive article about hotchkiss drive by the. Automotive drive shafts market automotive drive shafts market vehicle passenger cars, heavy commercial vehicles, and light commercial vehicles. Sep 19, 2019 clutchtypes and construction, gear boxes manual and automatic, gear shift mechanisms, over drive, transfer box, fluid flywheel, torque converter, propeller shaft, slip joints, universal joints, differential and rear axle, hotchkiss drive and torque tube drive. The hotchkiss drive is a shaft drive form of power transmission. During the early part of the 20th century chaindrive power transmission was the main direct drive competitor of the. Chapter 11 drive lines, differentials, drive axles, and power. The name comes from the french automobile firm of hotchkiss, although it is c. Following types of drives are explained with advantages and disadvantages. Shaft type hotchkiss drive shaft, flexible drive shaft, and torque tube drive shaft. Rearwheel drive arrangements the statement every action has an equal and opposite. Mar 22, 2009 drive forces from the wheels are transmitted through the rigid torque tube to the transmission mount.
Front engine rear wheel drive front engine front wheel. Torque tubes connect the transmission and differential via a single universal joint, or ujoint for short. The name comes from the french automobile manufacturer hotchkiss, although other makers, such as peerless, used similar systems before hotchkiss during the early part of the 20th century chain drive power transmission was the main. Scan from 1937 manual of driving and maintenance for mechanical vehicles wheeled, via hmso, part of opsi. Oct 29, 2016 hotchkiss drive and torque tube drive easy explanation. Nov 15, 2019 the hotchkiss drive is a shaft drive system another type of direct drive transmission system is the torque tube, which was also popular until the 1950s.
In a vehicle with torque tube drive, the rear suspension spring a. Clutchtypes and construction, gear boxes manual and automatic, gear shift mechanisms, over drive, transfer box, fluid flywheel, torque converter, propeller shaft, slip joints, universal joints,differential and rear axle, hotchkiss drive and torque tube drive. To provide for disconnecting the engine from the driving wheels. The type of transmission manual or automatic determines how the slip joint is. During the early part of the 20th century chain drive power transmission was the main direct drive competitor of the hotchkiss system, with the torque tube also. This video is all about types of drives used in the vehicles. There is a tubular member called torque surrounds the propeller shaft and is bolted to the rear axle casing.
Unit iv steering,brakes and suspension systems 9 steering geometry and types of steering gear boxpower steering, types of front axle, types of. Automobile engineering interview questions and answers for competitive exams. In hotchkiss drive, the loads such as vehicle weight, driving torque, braking torque and side thrust all are taken by leaf springs. A torque tube system is a power transmission and braking technology, that involves a stationary housing around the drive shaft, often used in automobiles with a front engine and rear drive, and rear brakes with or without front brakes, which play no part in it. Mechtech knowhow currently it has videos related to automobile engineering. Some of the most important restraints of the global drive shaft market are high variations of the material cost which affects in the production of lightweight drive shaft. It was the dominant form of power transmission for frontengine, rearwheel drive layout cars in the 20th century. Me6602 syllabus automobile engineering regulation 20 anna. The torque tube drive, which is still fairly widely used is shown in picture. There are pros and cons to both systems, so ya pays yer money and ya takes yer choice. The name comes from the french automobile manufacturer hotchkiss, although other makers, such as peerless, used similar systems before hotchkiss. This channel is for mechanical diploma students channel. Buicks use of a torque tube and coil springs 10 became a buick engineering trademark, until it was dropped with the 1961 model year fullsized models.
All shaft drive systems consist of a driveshaft also called a propeller shaft or cardan shaft extending from the transmission in front to the differential in the rear. That all above drive employed for rear axle the spring take the weight of the body. In the last class, we had discussed hotchkiss drive in a detailed way whereas, in todays class, we will discuss torque tube. Hotchkiss drive and torque tube drive easy explanation.
Pdf me6602 automobile engineering ae books, lecture notes. Dec 01, 2012 in contrast, the hotchkiss drive has the traction forces transmitted to the car frame by using other suspension components such as leaf springs or trailing arms. In torque tube drive, the driving torque and braking torque are taken by torque tube while the vehicle weight and side thrust are taken care of by leaf. Automobile engineering multiple choice interview questions preparation for gate exams. Hotchkiss drive, torque tube drive and radius rods.
Automobile engineering mcq objective question and answers. Technical what is the difference between a torque tube. Aug 16, 2019 the hotchkiss drive is the simplest of the drive systems and is the the torque tube drive, which is still fairly widely used is shown in picture. Torque tube drive shafts were used on older vehicles and are still used on some trucks and suvs today.