Английская Википедия:Bristol Theseus

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The Theseus was the Bristol Aeroplane Company's first attempt at a gas-turbine engine design. A turboprop delivering just over 2,000 hp (1,500 kW) was chosen rather than compete with companies that were already developing turbojets. A heat exchanger to transfer waste heat from the exhaust to the compressor exit was necessary to meet a requirement for a fuel consumption comparable to a piston engine. However, the heat exchanger was abandoned after tests showed that it had a high pressure loss and only produced a fuel saving of 8%. Furthermore overall performance was reduced [1] [2]

As well as being one of the first engines to feature a free propeller turbine, the Theseus was the first turboprop in the world to pass a type test in January 1947.[3] Following 156 hours of ground runs and the receipt of a test certificate from the Ministry of Supply on 28 January 1947, two Theseus engines were fitted in the outer positions of a four-engined Avro Lincoln for air tests.[4] After ground and taxying test the Lincoln first flew on 17 February 1947.[4]

The engine was also installed in two Handley Page Hermes 5 development aircraft.[5]

It was soon superseded by the Proteus design with more power.

Applications

Bristol Theseus on public display

East Midlands Aeropark Castle Donington.

Variants

Theseus Series TH.11
Variant without heat exchanger. Ran for first time July 18, 1945
Theseus Series TH.21
Variant with heat exchanger. Ran for first time in December, 1945
Theseus 502

Specifications (Theseus Th.21)

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See also

References

Notes

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Bibliography

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  • Gunston, Bill. World Encyclopedia of Aero Engines. Cambridge, England. Patrick Stephens Limited, 1989. Шаблон:ISBN

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External links

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Шаблон:BristolAeroengines

  1. Making Jet Engines in World War II: Britain, Germany, and the United States', Hermione Giffard 2016,University of Chicago,p.114-115
  2. Turbojet History And Development 1930-1960 Volume 1, Antony Kay2007, Шаблон:ISBN, p.139
  3. http://www.flightglobal.com/pdfarchive/view/1947/1947%20-%200602.html Шаблон:Dead link
  4. 4,0 4,1 Шаблон:Cite journal
  5. Gunston 1989, p.34.
  6. Test bed only