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The age of steam

noreply@blogger.com (ebooks Library) — Wed, 25 Apr 2018 11:00:00 +0800

Most historians agree that Nicolas-Joseph Cugnot of France was the constructor of the first true automobile. Cugnot’s vehicle was a huge, heavy, steam-powered tricycle, and his model of 1769 was said to have run for 20 minutes at 2.25 miles (3.6 km) per hour while carrying four people and to have recuperated sufficient steam power to move again after standing for 20 minutes. Cugnot was an artillery officer, and the more or less steam-tight pistons of his engine were made possible by the invention of a drill that accurately machined cannon bores. A replica of Cugnot’s second vehicle, partially original, is preserved in the Conservatoire National des Arts et Métiers in Paris.

1769 CugnotIn 1769 Nicolas-Joseph Cugnot built a three-wheeled, steam-driven vehicle that is considered to be the first true automobile. Because of the heavy weight of the steam chamber in the front, it had a tendency to tip over when not hauling cannons, which was what it was designed to do.

Cugnot’s successors were soon at work, notably in England, although the first post-Cugnot steam carriage appears to have been built in Amiens, France, in 1790. Steam buses were running in Paris about 1800. Oliver Evans of Philadelphia ran an amphibious steam dredge through the streets of that city in 1805. Less well-known were Nathan Read of Salem, Massachusetts, and Apollos Kinsley of Hartford, Connecticut, both of whom ran steam vehicles during the period 1790–1800. In March 1863 the magazine Scientific American described tests of a vehicle that weighed only 650 pounds (about 300 kg) and achieved a speed of 20 miles (30 km) per hour. Another American, Frank Curtis of Newburyport, Massachusetts, is remembered for building a personal steam carriage to the order of a Boston man who failed to meet the payment schedule, whereupon Curtis made the first recorded repossession of a motor vehicle.

English inventors were active, and by the 1830s the manufacture and use of steam road carriages was flourishing. James Watt’s foreman, William Murdock, ran a model steam carriage on the roads of Cornwall in 1784, and Robert Fourness showed a working three-cylinder tractor in 1788. Watt was opposed to the use of steam engines for such purposes; his low-pressure steam engine would have been too bulky for road use in any case, and all the British efforts in steam derived from the earlier researches of Thomas Savery and Thomas Newcomen.

Richard Trevithick developed Murdock’s ideas, and at least one of his carriages, with driving wheels 10 feet (3 metres) in diameter, ran in London. Sir Goldsworthy Gurney, the first commercially successful steam carriage builder, based his design upon an unusually efficient boiler. He was not, however, convinced that smooth wheels could grip a roadway, and so he arranged propulsion on his first vehicle by iron legs digging into the road surface. His second vehicle weighed only 3,000 pounds (1,360 kg) and was said to be capable of carrying six persons. He made trips as long as 84 miles (135 km) in a running time of 9 hours and 30 minutes and once recorded a speed of 17 miles (27 km) per hour.

Gurney equipment was used on the Gloucester-Cheltenham service of four daily round trips; under favourable conditions the equipment could complete the 9 miles (15 km) in 45 minutes. Between February 27 and June 22, 1831, steam coaches ran 4,000 miles (6,400 km) on this route, carrying some 3,000 passengers. The equipment was noisy, smoky, destructive of roadways, and admittedly dangerous; hostility arose, and it was common for drivers to find the way blocked with heaps of stones or felled trees. Nevertheless, numerous passengers had been carried by steam carriage before the railways had accepted their first paying passenger.

The most successful era of the steam coaches in Britain was the 1830s. Ambitious routes were run, including one from London to Cambridge. But by 1840 it was clear that the steam carriages had little future. They had had much to contend with, including the anti-machinery attitude of the public and the enmity of the horse-coach interests, which resulted in such penalties as a charge of £5 for passing a tollgate that cost a horse coach only three pence. The crushing blow was the Locomotives on Highways Act of 1865, which reduced permissible speeds on public roads to 2 miles (3 km) per hour within cities and 4 miles (6 km) per hour in rural areas. This legislation was known as the Red Flag Act because of its requirement that every steam carriage mount a crew of three, one to precede it carrying a red flag of warning. The act was amended in 1878, but it was not repealed until 1896, by which time its provisions had effectively stifled the development of road transport in the British Isles.

The decline of the steam carriage did not prevent continued effort in the field, and much attention was given to the steam tractor for use as a prime mover. Beginning about 1868, Britain was the scene of a vogue for light steam-powered personal carriages; if the popularity of these vehicles had not been legally hindered, it would certainly have resulted in widespread enthusiasm for motoring in the 1860s rather than in the 1890s. Some of the steamers could carry as few as two people and were capable of speeds of 20 miles (32 km) per hour. The public climate remained unfriendly, however.

Light steam cars were being built in the United States, France, Germany, and Denmark during the same period, and it is possible to argue that the line from Cugnot’s lumbering vehicle runs unbroken to the 20th-century steam automobiles made as late as 1926. The grip of the steam automobile on the American imagination has been strong ever since the era of the Stanley brothers—one of whose “steamers” took the world speed record at 127.66 miles (205.45 km) per hour in 1906. The car designed by them and sold as the Locomobile became the first commercially successful American-made automobile (about 1,000 were built in 1900). It is estimated that in the year 2000 there were still some 600 steam cars in the United States, most of them in running order.

Gasoline engine

noreply@blogger.com (ebooks Library) — Wed, 25 Apr 2018 10:00:00 +0800

Gasoline engine

any of a class of internal-combustion engines that generate power by burning a volatile liquid fuel (gasoline or a gasoline mixture such as ethanol) with ignition initiated by an electric spark. Gasoline engines can be built to meet the requirements of practically any conceivable power-plant application, the most important being passenger automobiles, small trucks and buses, general aviation aircraft, outboard and small inboard marine units, moderate-sized stationary pumping, lighting plants, machine tools, and power tools. Four-stroke gasoline engines power the vast majority of automobiles, light trucks, medium-to-large motorcycles, and lawn mowers. Two-stroke gasoline engines are less common, but they are used for small outboard marine engines and in many handheld landscaping tools such as chain saws, hedge trimmers, and leaf blowers.

History Of The Automobile

noreply@blogger.com (ebooks Library) — Tue, 24 Apr 2018 20:29:00 +0800

History Of The Automobile

Unlike many other major inventions, the original idea of the automobile cannot be attributed to a single individual. The idea certainly occurred long before it was first recorded in the Iliad, in which Homer (in Alexander Pope’s translation) states that Vulcan in a single day made 20 tricycles, which

Wondrous to tell instinct with spirit roll’ed

From place to place, around the blest abodes,

Self-moved, obedient to the beck of gods.

Leonardo da Vinci considered the idea of a self-propelled vehicle in the 15th century. In 1760 a Swiss clergyman, J.H. Genevois, suggested mounting small windmills on a cartlike vehicle, their power to be used to wind springs that would move the road wheel. Genevois’s idea probably derived from a windmill cart of about 1714. Two-masted wind carriages were running in the Netherlands in 1600, and a speed of 20 miles (30 km) per hour with a load of 28 passengers was claimed for at least one of them. The first recorded suggestion of wind use was probably Robert Valturio’s unrealized plan (1472) for a cart powered by windmills geared to the wheels

Other inventors considered the possibilities of clockwork. Probably in 1748 a carriage propelled by a large clockwork engine was demonstrated in Paris by the versatile inventor Jacques de Vaucanson.

The air engine is thought to have originated with a 17th-century German physicist, Otto von Guericke. Guericke invented an air pump and was probably the first to make metal pistons, cylinders, and connecting rods, the basic components of the reciprocating engine. In the 17th century a Dutch inventor, Christiaan Huygens, produced an engine that worked by air pressure developed by explosion of a powder charge. Denis Papin of France built a model engine on the vacuum principle, using the condensation of steam to produce the vacuum. An air engine was patented in England in 1799, and a grid of compressor stations was proposed to service vehicles. An air-powered vehicle is said to have been produced in 1832.

Steam propulsion was proposed as early as the 16th century, and in 1678 Ferdinand Verbiest, a Belgian Jesuit missionary to China, made a model steam carriage based on a principle suggestive of the modern turbine.

In the 18th century a French scientist, Philippe Lebon, patented a coal-gas engine and made the first suggestion of electrical ignition. In Paris, Isaac de Rivas made a gas-powered vehicle in 1807; his engine used hydrogen gas as fuel, the valves and ignition were operated by hand, and the timing problem appears to have been difficult.

Double-pivot steering, contra engine, planetary gear transmission

noreply@blogger.com (ebooks Library) — Tue, 24 Apr 2018 13:26:00 +0800

(1891 – 1897)

It was Carl Benz who had the double-pivot steering system patented in 1893, thereby solving one of the most urgent problems of the automobile. The first Benz with this steering system was the three-hp (2.2-kW) Victoria in 1893, of which slightly larger numbers with different bodies were built. The world’s first production car with some 1200 units built was the Benz Velo of 1894, a lightweight, durable and inexpensive compact car.

1897 saw the development of the “twin engine” consisting of two horizontal single-cylinder units in parallel, however this proved unsatisfactory. It was immediately followed by a better design, the “contra engine” in which the cylinders were arranged opposite each other. This was the birth of the horizontally-opposed piston engine. Always installed at the rear by Benz until 1900, this unit generated up to 16 hp (12 kW) in various versions.

AUTO MOBILE MACHANIC

noreply@blogger.com (ebooks Library) — Tue, 24 Apr 2018 13:15:00 +0800

The first automobile

Company History

Benz Patent Motor Car: The first automobile (1885–1886)

The first stationary gasoline engine developed by Carl Benz was a one-cylinder two-stroke unit which ran for the first time on New Year’s Eve 1879. Benz had so much commercial success with this engine that he was able to devote more time to his dream of creating a lightweight car powered by a gasoline engine, in which the chassis and engine formed a single unit.

The major features of the two-seater vehicle, which was completed in 1885, were the compact high-speed single-cylinder four-stroke engine installed horizontally at the rear, the tubular steel frame, the differential and three wire-spoked wheels. The engine output was 0.75 hp (0.55 kW). Details included an automatic intake slide, a controlled exhaust valve, high-voltage electrical vibrator ignition with spark plug, and water/thermo siphon evaporation cooling.

On January 29, 1886, Carl Benz applied for a patent for his “vehicle powered by a gas engine.” The patent – number 37435 – may be regarded as the birth certificate of the automobile. In July 1886 the newspapers reported on the first public outing of the three-wheeled Benz Patent Motor Car, model no. 1.

Programs CROCODILE CLIPS full scientific

noreply@blogger.com (ebooks Library) — Wed, 30 Jul 2014 14:11:00 +0800

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A Textbook of Electrical Technology Vol 2

noreply@blogger.com (ebooks Library) — Wed, 30 Jul 2014 14:09:00 +0800

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The Electrical Engineering Handbook

noreply@blogger.com (ebooks Library) — Wed, 30 Jul 2014 14:07:00 +0800

The Electrical Engineer s Handbook provides the most up-to-date information in: Circuits and Networks, Electric Power Systems, Electronics, Computer-Aided Design and Optimization, VLSI Systems, Signal Processing, Digital Systems and Computer Engineering, Digital Communication and Communication Networks, Electromagnetics and Control and Systems

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Handbook Of Electrical Design Details, 2Nd Edition

noreply@blogger.com (ebooks Library) — Wed, 30 Jul 2014 14:06:00 +0800

Handbook of electrical design covers power generation, distribution, lighting, wiring, motors, and project planning. Supplemented by new topics: CAD for preparing electrical drawings and estimates, electrical surge protection, and 400 new illustrations

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Engineering Graphics for Diploma

noreply@blogger.com (ebooks Library) — Wed, 30 Jul 2014 14:04:00 +0800

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Electronic and Electrical Servicing

noreply@blogger.com (ebooks Library) — Wed, 30 Jul 2014 14:02:00 +0800

Electronic and Electrical Servicing provides a thorough grounding in the electronics and electrical principles required by service engineers servicing home entertainment equipment such as TVs, CD and DVD machines, as well as commercial equipment including PCs

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Electrical Calculation Hand Book

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Electrical Technology

noreply@blogger.com (ebooks Library) — Wed, 30 Jul 2014 13:58:00 +0800

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Electrical Machines and Power Systems

noreply@blogger.com (ebooks Library) — Wed, 30 Jul 2014 13:57:00 +0800

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Electrical Distribution Engineering

noreply@blogger.com (ebooks Library) — Wed, 30 Jul 2014 13:55:00 +0800

Newly revised and edited, this comprehensive volume provides up-to-date information on the latest developments which impact planning and design of electrical distribution systems. Addressing

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Electrical And Electronics Engineering

noreply@blogger.com (ebooks Library) — Wed, 30 Jul 2014 13:52:00 +0800

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Electrical Installation Work, Sixth Edition

noreply@blogger.com (ebooks Library) — Wed, 30 Jul 2014 13:45:00 +0800

This well-known textbook is written for all electrical trainees who want to understand not only how, but why electrical installations are designed, installed and tested in particular ways. Brian Scaddan's approach encourages independent learning with self-assessment questions provided at the end of each chapter

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Basic Electrical Engineering

noreply@blogger.com (ebooks Library) — Wed, 30 Jul 2014 13:44:00 +0800

Book of the basics of electrical engineering education and contains the information and the necessary basics and rules in the field of electrical engineering. Very useful

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Advanced Electrical Installation Work, 5 Ed

noreply@blogger.com (ebooks Library) — Wed, 30 Jul 2014 13:42:00 +0800

Trevor Linsley's textbooks have helped thousands of students to gain their electrical installation qualifications. In a concise and practical way, Advanced Electrical Installation Work supports the City & Guilds 2330 Level 3 Certificate in Electrotechnical Technology and the 2356 Level 3 NVQ in Electrotechnical Services

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Basic Electrical Installation Work, 5th Edition

noreply@blogger.com (ebooks Library) — Wed, 30 Jul 2014 13:41:00 +0800

Trevor Linsley's textbooks have helped thousands of students to gain their electrical installation qualifications. In a concise and practical way, Basic Electrical Installation Work supports the City & Guilds 2330 Level 2 Certificate in Electrotechnical Technology

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Electronics devices and circuit theory 7th edition

noreply@blogger.com (ebooks Library) — Wed, 30 Jul 2014 13:39:00 +0800

Highly accurate and thoroughly updated, this book has set the standard in electronic devices and circuit theory for over 25 years. Boylestad and Nashelsky offer readers a complete and comprehensive survey of electronics and circuits, focusing on all the essentials they will need to succeed on the job. This very readable book is supported by strong, helpful learning cues and content that is ideal for new workers in this rapidly changing field. Its colorful layout boasts a large number of stunning photographs. Topics covered include: semiconductor diodes, BJT devices, DC biasing, FET devices, Op-Amp applications, power amplifiers, linear-digital ICs, power supplies and voltage regulators, and other two-terminal devices. An excellent reference work for anyone involved with electronic devices and other circuitry applications, such as electrical and technical engineers.

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The circuits and filters handbook

noreply@blogger.com (ebooks Library) — Wed, 30 Jul 2014 13:37:00 +0800

A bestseller in its first edition, The Circuits and Filters Handbook has been thoroughly updated to provide the most current, most comprehensive information available in both the classical and emerging fields of circuits and filters, both analog and digital. This edition contains 29 new chapters, with significant additions in the areas of computer-aided design, circuit simulation, VLSI circuits, design automation, and active and digital filters. It will undoubtedly take its place as the engineer's first choice in looking for solutions to problems encountered in the design, analysis, and behavior prediction of large-scale circuits, devices, filters, and systems.

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Comprehensive dictionary of electrical engineering

noreply@blogger.com (ebooks Library) — Wed, 30 Jul 2014 13:35:00 +0800

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Introduction to Electric Circuits

noreply@blogger.com (ebooks Library) — Wed, 30 Jul 2014 13:32:00 +0800

Give Your Students Real-World Problem-Solving Skills!As in earlier editions, the central theme of Introduction to Electric Circuits, 8th Edition, is the concept that electric circuits are a part of the basic fabric of modern technology. Given this theme, this book endeavors to show how the analysis and design of electric circuits are inseparably intertwined with the ability of the engineer to design complex electronic, communication, computer, and control systems as well as consumer products. This book is designed for a one-to-three-term course in electric circuits or linear circuit analysis, and is structured for maximum flexibility.
New to this Edition: Enhanced WileyPLUS course with 300 algorithmic problems, bringing the total set of assignable algorithmic problems to over 600. These algorithmically generated problems allow students to practice repeatedly the same problem type with new values.Significantly increased use of computational software PSpice and MATLAB.Revisions made throughout the text to improve clarity.The text contains 120 new problems, brining the total number to more than 1,350. This edition uses a progression of problem types that range in difficulty.
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The electrical engineering handbook

noreply@blogger.com (ebooks Library) — Wed, 30 Jul 2014 12:35:00 +0800

In 1993, the first edition of The Electrical Engineering Handbook set a new standard for breadth and depth of coverage in an engineering reference work. Now, this classic has been substantially revised and updated to include the latest information on all the important topics in electrical engineering today. Every electrical engineer should have an opportunity to expand his expertise with this definitive guide.
In a single volume, this handbook provides a complete reference to answer the questions encountered by practicing engineers in industry, government, or academia. This well-organized book is divided into 12 major sections that encompass the entire field of electrical engineering, including circuits, signal processing, electronics, electromagnetics, electrical effects and devices, and energy, and the emerging trends in the fields of communications, digital devices, computer engineering, systems, and biomedical engineering. A compendium of physical, chemical, material, and mathematical data completes this comprehensive resource. Every major topic is thoroughly covered and every important concept is defined, described, and illustrated. Conceptually challenging but carefully explained articles are equally valuable to the practicing engineer, researchers, and students.
A distinguished advisory board and contributors including many of the leading authors, professors, and researchers in the field today assist noted author and professor Richard Dorf in offering complete coverage of this rapidly expanding field. No other single volume available today offers this combination of broad coverage and depth of exploration of the topics. The Electrical Engineering Handbook will be an invaluable resource for electrical engineers for years to come.

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ebooks Library

The age of steam

Gasoline engine

History Of The Automobile

Double-pivot steering, contra engine, planetary gear transmission

AUTO MOBILE MACHANIC

Programs CROCODILE CLIPS full scientific

A Textbook of Electrical Technology Vol 2

Tutorial book is excellent and explains the important technology and engineering for electrical engineering students. Very useful ....

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The Electrical Engineering Handbook

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Handbook Of Electrical Design Details, 2Nd Edition

Handbook of electrical design covers power generation, distribution, lighting, wiring, motors, and project planning. Supplemented by new topics: CAD for preparing electrical drawings and estimates, electrical surge protection, and 400 new illustrations

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Engineering Graphics for Diploma

Tutorial book values ​​and explains the important industrial drawing for students of mechanical engineering. Very useful ....

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Electronic and Electrical Servicing

Electronic and Electrical Servicing provides a thorough grounding in the electronics and electrical principles required by service engineers servicing home entertainment equipment such as TVs, CD and DVD machines, as well as commercial equipment including PCs

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Electrical Calculation Hand Book

Tutorial book is very useful for students of engineering and electrical engineering calculations .....

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Electrical Technology

Tutorial book values ​​and explains the important technology and engineering for electrical engineering students. Very useful ...

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Electrical Machines and Power Systems

Contains information on sources of electrical energy ....

Electrical Distribution Engineering

Newly revised and edited, this comprehensive volume provides up-to-date information on the latest developments which impact planning and design of electrical distribution systems. Addressing

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Electrical And Electronics Engineering

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Electrical Installation Work, Sixth Edition

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Basic Electrical Engineering

Book of the basics of electrical engineering education and contains the information and the necessary basics and rules in the field of electrical engineering. Very useful

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Advanced Electrical Installation Work, 5 Ed

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Basic Electrical Installation Work, 5th Edition

Trevor Linsley's textbooks have helped thousands of students to gain their electrical installation qualifications. In a concise and practical way, Basic Electrical Installation Work supports the City & Guilds 2330 Level 2 Certificate in Electrotechnical Technology

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Electronics devices and circuit theory 7th edition

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The circuits and filters handbook

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Comprehensive dictionary of electrical engineering

Electrical+Engineering+Dictionary+by+Ed.+Phillip+A.+Laplante.rar - 3.14 MB Comprehensive Dictionary of Electrical Engineering 2nd.ed.pdf - 5.71 MB

Introduction to Electric Circuits

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Introduction-to-Electric-Circuits-6th-Edition-Richard-Dorf-James-Svoboda.pdf - 8.74 MB http://filesflash.net/ckba4uay

The electrical engineering handbook

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the-electrical-engineering-handbook-by-richard-dorf.rar - 38.04 MB http://filesflash.net/94l9ksra

Tutorial book values and explains the important industrial drawing for students of mechanical engineering. Very useful ....

Tutorial book values and explains the important technology and engineering for electrical engineering students. Very useful ...

Tutorial book values and important role in the competence of Electrical Engineering and Alelkturnah and contains the information and the necessary basics and rules that must be called

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Electrical+Engineering+Dictionary+by+Ed.+Phillip+A.+Laplante.rar - 3.14 MB

Comprehensive Dictionary of Electrical Engineering 2nd.ed.pdf - 5.71 MB

Introduction-to-Electric-Circuits-6th-Edition-Richard-Dorf-James-Svoboda.pdf - 8.74 MB
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