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Dowty Propellers is a British engineering company based in Brockworth, Gloucestershire that specialises in the manufacture, repair and overhaul of
propellers A propeller (often called a screw if on a ship or an airscrew if on an aircraft) is a device with a rotating hub and radiating blades that are set at a pitch to form a helical spiral which, when rotated, exerts linear thrust upon a working flu ...
and propeller components for customers around the world. It is owned by
GE Aerospace General Electric Company, doing business as GE Aerospace, is an American aircraft engine supplier that is headquartered in Evendale, Ohio, outside Cincinnati. It is the legal successor to the original General Electric Company founded in 1892, w ...
.


History

The company was formed as Rotol Airscrews in 1937 by
Rolls-Royce Rolls-Royce (always hyphenated) may refer to: * Rolls-Royce Limited, a British manufacturer of cars and later aero engines, founded in 1906, now defunct Automobiles * Rolls-Royce Motor Cars, the current car manufacturing company incorporated in ...
and Bristol Engines to take over both companies' propeller development,Gloucester Transport History
/ref> the market being too small to support more than one company. The name is a contraction of "Rolls-Royce" and "Bristol". Rotol's propellers were always considered leading edge, its models equipping the
Hawker Hurricane The Hawker Hurricane is a British single-seat fighter aircraft of the 1930s–40s which was designed and predominantly built by Hawker Aircraft Ltd. for service with the Royal Air Force (RAF). It was overshadowed in the public consciousness by ...
,
Supermarine Spitfire The Supermarine Spitfire is a British single-seat fighter aircraft that was used by the Royal Air Force and other Allies of World War II, Allied countries before, during, and after World War II. It was the only British fighter produced conti ...
, and many other
Second World War World War II or the Second World War (1 September 1939 – 2 September 1945) was a World war, global conflict between two coalitions: the Allies of World War II, Allies and the Axis powers. World War II by country, Nearly all of the wo ...
-era aircraft. By the end of the war it had introduced the first five-bladed propeller to see widespread use, used on late-model Spitfires. In 1943 the company changed its name from Rotol Airscrews Limited to Rotol Limited, and in 1952 it acquired British Messier Limited, a specialist in landing gear and hydraulics. In 1958, Bristol Aeroplane and Rolls-Royce agreed to sell Rotol and British Messier to the Dowty Group. By 1959 Rotol and British Messier along with Dowty Equipment and Dowty Fuel Systems became part of the new Dowty Aviation Division based at Cheltenham. In 1968, the company introduced the first
fibreglass Fiberglass (American English) or fibreglass ( Commonwealth English) is a common type of fiber-reinforced plastic using glass fiber. The fibers may be randomly arranged, flattened into a sheet called a chopped strand mat, or woven into glass c ...
propellers, which went on to see widespread use. Since then it has migrated to
carbon fibre Carbon fiber-reinforced polymers (American English), carbon-fibre-reinforced polymers ( Commonwealth English), carbon-fiber-reinforced plastics, carbon-fiber reinforced-thermoplastic (CFRP, CRP, CFRTP), also known as carbon fiber, carbon comp ...
, and remains a leader in propeller design. Following a series of changes of ownership, the original Dowty Rotol facility at Staverton is now owned by the
Safran Safran S.A. () is a French Multinational corporation, multinational aerospace, defence industry, defence and computer security, security corporation headquartered in Paris. It designs, develops and manufactures both commercial and military airc ...
Group, operating as part of its Messier-Bugatti-Dowty landing gear subsidiary (now known as Safran Landing Systems). Propeller design and manufacture was moved a few hundred metres down the road when the company was split into business units under its Dowty ownership in the early 1990s. On 16 January 2007, Dowty Propellers became part of GE Aviation Systems through GE buying
Smiths Group Smiths Group plc is a British, Multinational corporation, multinational, diversified engineering business headquartered in London, England. It operates in over 50 countries and employs 15,000 staff. Smiths Group is listed on the London Stock Ex ...
’s aerospace division. On 5 February 2015, a fire at Dowty's Staverton facility caused severe damage to 80% of the factory building, destroying the main production line. A facility at Vantage Point Business Village in Mitcheldean, Gloucestershire, was selected for the company's interim propeller blade manufacturing. In late 2019, the company began moving its operations to an all-new purpose-built facility at Gloucester Business Park in Brockworth, on part of the site of the former aerodrome used by the Gloster Aircraft Company.


Operations

Dowty propellers are used on many
turboprop A turboprop is a Gas turbine, gas turbine engine that drives an aircraft Propeller (aeronautics), propeller. A turboprop consists of an intake, reduction drive, reduction gearbox, gas compressor, compressor, combustor, turbine, and a propellin ...
feederliners, including the
Bombardier Dash 8 The De Havilland Canada DHC-8, commonly known as the Dash 8, is a series of turboprop-powered regional airliners, introduced by de Havilland Canada (DHC) in 1984. DHC was bought by Boeing in 1986, then by Bombardier in 1992, then by Lon ...
Q400,
Saab 340 The Saab 340 is a Swedish twin-engine turboprop aircraft designed and initially produced by Saab AB and Fairchild Aircraft. It is designed to seat 30–36 passengers and, as of July 2018, there were 240 operational aircraft used by 34 differen ...
and Saab 2000, and on turboprop
transport aircraft Transport aircraft is a broad category of aircraft that includes: * Airliners, aircraft, usually large and most often operated by airlines, intended for carrying multiple passengers or cargo in commercial service * Cargo aircraft or freighters, fix ...
such as later models of the C-130J and
Alenia C-27J The Alenia C-27J Spartan is a military transport aircraft developed and manufactured by Leonardo's Aircraft Division (formerly Alenia Aermacchi until 2016). It is an advanced derivative of the former Alenia Aeronautica's earlier G.222 (C-27 ...
. Dowty propellers can also be found on
LCAC LCAC may refer to: Hovercraft * A generic term for an Air-cushioned landing craft, air cushioned landing craft, taken from US Navy designation "Landing Craft, Air Cushion". ** Landing Craft Air Cushion, a US Navy hull classification symbol for the ...
s used by the militaries of several countries. The US
National Air and Space Museum The National Air and Space Museum (NASM) of the Smithsonian Institution is a museum in Washington, D.C., in the United States, dedicated to history of aviation, human flight and space exploration. Established in 1946 as the National Air Museum, ...
's Udvar Hazy Center,
Virginia Virginia, officially the Commonwealth of Virginia, is a U.S. state, state in the Southeastern United States, Southeastern and Mid-Atlantic (United States), Mid-Atlantic regions of the United States between the East Coast of the United States ...
, has a Dowty propeller on display.


See also

* Messier-Dowty * George Dowty *
List of aircraft propeller manufacturers This is a list of current and former aircraft propeller manufacturers. A * Aero Ltd. - Poland * AeroLux Propellers - United States * Aeroproducts - United States * Aerosila - Russia * Airmaster Propellers - New Zealand * The Airscrew Company - ...


References


External links


Dowty Propellers official site

Information and pictures: Dowty Propellers
plant in
Gloucester Gloucester ( ) is a cathedral city, non-metropolitan district and the county town of Gloucestershire in the South West England, South West of England. Gloucester lies on the River Severn, between the Cotswolds to the east and the Forest of Dean ...
, UK, from Smiths Aerospace web site.
Grace's Guide
"Dowty Rotol of Staverton, Churchdown" {{Dowty Group Aerospace companies of the United Kingdom Aircraft component manufacturers of the United Kingdom Aircraft propeller manufacturers British companies established in 1937 Companies based in Gloucestershire Engineering companies of the United Kingdom Manufacturing companies established in 1937 Science and technology in Gloucestershire