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Concept
Bristol Britannia
Summary
The Bristol Type 175 Britannia is a retired British medium-to-long-range airliner built by the Bristol Aeroplane Company in 1952 to fly across the Commonwealth. During development two prototypes were lost and the turboprop engines proved susceptible to inlet icing, which delayed entry into service while solutions were sought.
By the time development was completed, "pure" jet airliners from France, the United Kingdom, and the United States were about to enter service, and consequently, only 85 Britannias were built before production ended in 1960. Nevertheless, the Britannia is considered one of the landmarks in turboprop-powered airliner design and was popular with passengers. It became known as "The Whispering Giant" for its quiet exterior noise and smooth flying, although the passenger interior remained less tranquil.
Canadair purchased a licence to build the Britannia in Canada, adding another 72 aircraft in two variants. These were the stretched Canadair CL-44/Canadair CC-106 Yukon, and the greatly modified Canadair CP-107 Argus maritime patrol aircraft.
In 1942, during the Second World War, Allied aircraft construction saw the UK of necessity concentrating on heavy bombers, leaving the production of transport aircraft to the USA. This would have left the UK with little experience in transport construction at the end of the war, so in 1943, a committee under Lord Brabazon of Tara investigated the future British civilian airliner market. The Brabazon Committee called for several aircraft to be developed to its specifications for Britain's civilian aviation needs.
Bristol won the Type I and Type III contracts, delivering their Type I design, the Bristol Brabazon in 1949. The requirement for the 1946 British Overseas Airways Corporation (BOAC) Medium Range Empire (MRE) Requirements coincided with the Type III, Specification C.2/47, issued in April 1947 by the Minister of Supply. The specifications called for an airliner capable of carrying 48 passengers and powered with Bristol Centaurus radial engines or Napier Nomad turbo-compound Diesel engine.
Official source
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