The LNER W1 No. 10000 (also known as the Hush-Hush due to its secrecy) was an experimental steam locomotive fitted with a high pressure water-tube boiler.

The experimental Gresley W1 No. 10000 "Hush-Hush" was the only 4-6-4 tender locomotive to run in Britain. It included a number of experimental features including a marine type water-tube boiler working at 450psi.

The LNER W1 No. 10000 (also known as the Hush-Hush due to its secrecy) was an experimental steam locomotive fitted with a high pressure water-tube boiler. Nigel Gresley was impressed by the results of using high-pressure steam in marine applications and so in 1924 he approached Harold Yarrow of...

2006年1月18日 · This high-pressure locomotive was notable because it was not constructed upon the Schmidt system, unlike most of its competitors. It was designed by the LNER's Chief Mechanical Engineer, Sir Nigel Gresley, and its main aim was simply fuel economy.

2019年11月26日 · The LNER W1 No. 10000 (also known as the Hush-Hush due to its secrecy) was an experimental steam locomotive fitted with a high pressure water-tube boiler.

2018年12月26日 · An experimental engine with a unique boiler, the London and North Eastern Railway's W1 No.10000 forms the topic of this week's Lost Class article. LNER W1 'Hush Hush' Class The project's main aim was to design an engine which was more efficient on coal than Gresley's A1 class, currently in service.…

LNER, W1 Class, 'Hush Hush' Streamlined, 4-6-4, 10000 - Era 4. Sir Nigel Gresley's W1 4-6-4HP 10000 entered Darlington Works on 21st August 1935 for what was anticipated to be a major overhaul and modification. During this period Gresley decided to rebuild 10000 as a three-cylinder locomotive with a conventional firetube boiler.

2021年1月12日 · No. 10000 never carried a name, although it did carry small works plates on the smoke deflectors bearing the number 10000. In its early form, it was known unofficially as the Hush-Hush as a result of the initial secrecy surrounding the project, and also the Galloping Sausage as a result of its bulging boiler shape.

2012年9月30日 · Evening All I have been given a photo of the experimental Gresley W1 No. 10000 "Hush-Hush" was the only 4-6-4 tender locomotive to run in Britain. It included a number of experimental features including a marine type water-tube boiler working at 450psi.

2013年10月15日 · This forum is for the discussion of the locomotives, motive power, and rolling stock of the LNER and its constituent companies. Moderators:52D, Tom F, Rlangham, Atlantic 3279, Blink Bonny, Saint Johnstoun, richard