Murray's Hypocycloidal Engine

{{Use British English|date=February 2021}}

{{Use DMY dates|date=February 2021}}

{{Infobox historic engine

|name = Murray's Hypocycloidal Engine

|image = Thinktank - Iron Foundry Engine 2.jpg

|image_size = 250px

|alt =

|caption = The engine at Thinktank

|type = Hypocycloidal

|cylinders = 1

|designer = Matthew Murray

|maker = Fenton, Murray and Wood

|date = {{Start date|1805}}

|country_of_origin = England

|former_operator = {{Plainlist|

• {{Timeline-event |date={{Start date|1805}} |end_date={{end date|1931}} |event=John Bradley & Co |location=Stourbridge }}
• {{Timeline-event |date={{Start date|1931}} |end_date={{end date|1961}} |event=N. Hingley & Sons Ltd |location=Netherton }}

}}

|collection = Birmingham Museums Trust

|location = Thinktank, Digbeth, Birmingham, England

|accession = 1961S01437.00001

|module = {{Listen| |embed=yes |filename = Murray engine - Thinktank - Andy Mabbett - 2015-02-12 -01.flac |title = Murray's Hypocycloidal Engine |type = speech |description = recording of the engine ticking over at low load }}

}}

File:Hypocycloidal Engine higher res.webm

__NOTOC__

Murray's Hypocycloidal Engine, now in Thinktank, Birmingham Science Museum, England, was made around 1805{{cite news|url=http://www.thefreelibrary.com/Weekend%3A+Full+steam+ahead%3B+Some+of+Birmingham%27s+most+impressive...-a067528045|title=Full steam ahead; Some of Birmingham's most impressive artefacts are on the move|last=Reyburn|first=Ross|date=2 December 2000|work=Birmingham Post|accessdate=7 March 2015}} and is the world's third-oldest working steam engine{{cite web|url=http://www.automuseums.info/united-kingdom/thinktank-birmingham-science-museum|title=Thinktank Birmingham Science Museum|work=Automuseums|accessdate=7 March 2015}} and the oldest working engine with a Tusi couple hypocycloidal straight line mechanism.{{efn|The oldest working engine, the Smethwick Engine, and the second oldest, the Whitbread Engine, are beam engines, and neither uses a hypocycloidal straight line mechanism.}}