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The Triumph Model H (also known as the 'Type H' and 'the Trusty') is a British
motorcycle A motorcycle (motorbike, bike, or trike (if three-wheeled)) is a two or three-wheeled motor vehicle steered by a handlebar. Motorcycle design varies greatly to suit a range of different purposes: long-distance travel, commuting, cruising ...
made by
Triumph Engineering Co Ltd Triumph Engineering Co Ltd was a British motorcycle manufacturing company, based originally in Coventry and then in Meriden. A new company, Triumph Motorcycles Ltd, based in Hinckley, gained the name rights after the end of the company in the ...
in
Coventry Coventry ( or ) is a city in the West Midlands, England. It is on the River Sherbourne. Coventry has been a large settlement for centuries, although it was not founded and given its city status until the Middle Ages. The city is governed ...
, England. A total of 57,000 Triumph Model H motorcycles were made from 1915 until production ended in 1923.


Development

At the start of the
First World War World War I (28 July 1914 11 November 1918), often abbreviated as WWI, was one of the deadliest global conflicts in history. Belligerents included much of Europe, the Russian Empire, the United States, and the Ottoman Empire, with fighti ...
in 1914 the
British Government ga, Rialtas a Shoilse gd, Riaghaltas a Mhòrachd , image = HM Government logo.svg , image_size = 220px , image2 = Royal Coat of Arms of the United Kingdom (HM Government).svg , image_size2 = 180px , caption = Royal Arms , date_es ...
needed effective communications with front line troops and replaced messengers on horses with
despatch rider A despatch rider (or dispatch) is a military messenger, mounted on horse or motorcycle (and occasionally in Egypt during World War I, on camels). In the UK 'despatch rider' is also a term used for a motorcycle courier. Despatch riders were use ...
s on motorcycles. A number of models were tested for suitability and the Triumph Model H was selected. With the rear wheel driven by a belt, the Model H was fitted with a 499 cc air-cooled
four-stroke A four-stroke (also four-cycle) engine is an internal combustion (IC) engine in which the piston completes four separate strokes while turning the crankshaft. A stroke refers to the full travel of the piston along the cylinder, in either directio ...
single-cylinder engine. It was also the first Triumph not to be fitted with pedals, so was a true motorcycle. Engine differences from the previous Model A included a single cam wheel with two cams replacing separate cam wheels for the inlet and exhaust valve, and new design of cylinder casting. Valve head diameter was enlarged and the valves were spaced further apart. The Model H was fitted with a Sturmey-Archer three-speed countershaft gearbox operated by a hand gear change lever. More than 30,000 Triumph Model H motorcycles had been produced by the end of the war in 1918. The
Triumph Engineering Co Ltd Triumph Engineering Co Ltd was a British motorcycle manufacturing company, based originally in Coventry and then in Meriden. A new company, Triumph Motorcycles Ltd, based in Hinckley, gained the name rights after the end of the company in the ...
had been using the advertising slogan ''Trusty Triumph'' since 1910 and the Model H became known as 'The Trusty' as it proved reliable in wartime conditions, despite a weakness in the front fork spring. This was prone to break on rough ground, so despatch riders would strap a leather belt around it as a precaution. After the war, the motorcycle didn't have enough speed for racing, which was one of the principal markets for motorcycles at the time, so Triumph moved on to a motorcycle designed by
Harry Ricardo Sir Harry Ralph Ricardo (26 January 1885 – 18 May 1974) was an English engineer who was one of the foremost engine designers and researchers in the early years of the development of the internal combustion engine. Among his many other works, ...
, known as the Model R Roadster. When the Model H was discontinued in 1923 a total of 57,000 had been produced.


See also

*
Norton 16H The Norton 16H is a designation given to British motorcycles made between 1911 through to 1954 with various modifications and refers to a single cylinder Norton 490cc side valve engine with a bore and stroke of 79 x 100 mm. The H denotes the ...
*
Triumph Engineering Co Ltd Triumph Engineering Co Ltd was a British motorcycle manufacturing company, based originally in Coventry and then in Meriden. A new company, Triumph Motorcycles Ltd, based in Hinckley, gained the name rights after the end of the company in the ...
*
List of Triumph motorcycles Motorcycles produced under the Triumph brand, by both the original company, Triumph Engineering Co Ltd, and its later incarnations, and the current Triumph Motorcycles Ltd. Triumph Engineering Co Ltd Known as the Meriden, West Midlands, UK era ...
*
List of motorcycles of the 1910s List of motorcycles of the 1910s is a listing of motorcycles of the 1910s, including those on sale, introduced, or otherwise relevant in this period. The 1910s has their share of expensive historic motorcycles sold at auction, especially the bra ...
*
List of motorcycles of the 1920s A ''list'' is any set of items in a row. List or lists may also refer to: People * List (surname) Organizations * List College, an undergraduate division of the Jewish Theological Seminary of America * SC Germania List, German rugby union ...


References


External links


Triumph Model H restoration

Triumph Model H running (video)
{{WWI British Soft Vehicles, state=collapsed
Model H The Triumph Model H (also known as the 'Type H' and 'the Trusty') is a British motorcycle made by Triumph Engineering Co Ltd in Coventry, England. A total of 57,000 Triumph Model H motorcycles were made from 1915 until production ended in 1923. ...
World War I vehicles of the United Kingdom Motorcycles introduced in the 1910s Military motorcycles