Mallard (locomotive)

Mallard (locomotive)
source
Name	Mallard
Builder	Doncaster Works
Build date	1938
Gauge	Standard gauge

Mallard (locomotive) is a legendary steam locomotive built by Doncaster Works in 1938 for the London and North Eastern Railway (LNER). Designed by Sir Nigel Gresley, the Mallard is known for its distinctive streamlined design, which was influenced by the work of André Chapelon and the French National Railway. The Mallard was one of six A4 Pacific locomotives designed to haul high-speed passenger trains on the East Coast Main Line, including the famous Flying Scotsman and Silver Jubilee. The Mallard's development was also influenced by the work of Herbert Nigel Gresley and the Great Northern Railway.

Introduction

The Mallard was named after the mallard duck, which was a symbol of speed and agility, reflecting the locomotive's intended use for high-speed passenger services. The Mallard was built at Doncaster Works in 1938, along with five other A4 Pacific locomotives, including the Dwight D. Eisenhower and the Sir Nigel Gresley. The Mallard's design was influenced by the work of André Chapelon and the French National Railway, as well as the German Flying Hamburger and the Italian FS Class ETR 200. The Mallard's streamlined design was also influenced by the work of Sydney Camm and the Hawker Aircraft company.

Design_and_Development

The Mallard was designed to haul high-speed passenger trains on the East Coast Main Line, which connected London to Edinburgh and Aberdeen. The Mallard's design was influenced by the work of Sir Nigel Gresley and the Great Northern Railway, as well as the London, Midland and Scottish Railway and the Southern Railway. The Mallard's streamlined design was intended to reduce aerodynamic drag and improve the locomotive's stability at high speeds, similar to the German ICE 1 and the Japanese Bullet Train. The Mallard's development was also influenced by the work of Isambard Kingdom Brunel and the Great Western Railway, as well as the Midland Railway and the North Eastern Railway.

Career

The Mallard entered service in 1938 and quickly established itself as one of the fastest steam locomotives in the world, hauling passenger trains such as the Flying Scotsman and the Silver Jubilee. The Mallard was based at King's Cross in London and worked regularly on the East Coast Main Line, which connected London to Edinburgh and Aberdeen. The Mallard's career was marked by several notable events, including a visit to the 1948 Summer Olympics in London and a starring role in the 1951 Festival of Britain. The Mallard was also used for charter trains and excursion trains, including the Gloucestershire Warwickshire Railway and the North Yorkshire Moors Railway.

Speed_Record

On July 3, 1938, the Mallard set a new world speed record for steam locomotives, reaching a speed of 126 miles per hour (203 km/h) on the East Coast Main Line near Grantham. The Mallard's speed record was set during a test run, with the locomotive hauling a passenger train consisting of several coaches. The Mallard's speed record was witnessed by several officials from the London and North Eastern Railway and the Railway Executive Committee, including Sir Ronald Matthews and Lord Stamp. The Mallard's speed record has never been beaten by a steam locomotive and remains one of the most famous records in railway history, alongside the Blue Riband and the Land Speed Record.

Preservation

After being withdrawn from service in 1963, the Mallard was preserved and is now on display at the National Railway Museum in York. The Mallard has been restored to its original condition and is considered one of the most important steam locomotives in the world, alongside the Flying Scotsman and the Rocket. The Mallard has been the subject of several restoration projects, including a major overhaul in the 1980s and a repaint in the 1990s. The Mallard is now a popular tourist attraction and is visited by thousands of people each year, including railway enthusiasts and history buffs.

Technical_Specifications

The Mallard is a 4-6-2 steam locomotive with a wheelbase of 53 feet 6 inches (16.3 meters) and a weight of 102 tons. The Mallard has a cylinder diameter of 18.5 inches (470 mm) and a stroke of 26 inches (660 mm), giving it a tractive effort of 35,455 pounds-force (157.7 kN). The Mallard has a boiler pressure of 250 pounds per square inch (1,700 kPa) and a grate area of 41.5 square feet (3.85 square meters), similar to the German DRG Class 05 and the Italian FS Class 691. The Mallard's streamlined design and aerodynamic features make it one of the most efficient steam locomotives ever built, with a thermal efficiency of 10.5% and a mechanical efficiency of 85%.

Category:Steam locomotives