31:
108:
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
120:
in
January 1947. 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
351:
1,500 hp (1,100 kW) equivalent at Max Power, 300mph, 20,000 ft (6,100 m),ISA NOTE:Equivalent Power defined as
Propeller Shaft Power plus (Jet Thrust * Flight Velocity/Propeller Efficiency)
588:
100:
delivering just over 2,000 hp (1,500 kW) was chosen rather than compete with companies that were already developing turbojets. A
409:
395:
Making Jet
Engines in World War II: Britain, Germany, and the United States', Hermione Giffard 2016,University of Chicago,p.114-115
988:
983:
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978:
319:
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8-stage axial + 1-stage centrifugal compressors feeding the combustion chambers through a heat exchanger
927:
437:"Theseus Air Testing - First Bristol Airscrew Turbines Fly in a Lincoln : Some Features Discussed"
791:
612:
597:
300:
1,950 bhp (1,450 kW)@Sea Level Static, ISA plus 500 lbf (2.22 kN) residual thrust
89:
826:
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for air tests. After ground and taxying test the
Lincoln first flew on 17 February 1947.
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2,350 hp (1,750 kW) equivalent at Max Power, 300mph, Sea Level,ISA
898:
893:
709:
122:
763:
626:
947:
840:
105:
836:
422:
http://www.flightglobal.com/pdfarchive/view/1947/1947%20-%200602.html
404:
Turbojet
History And Development 1930-1960 Volume 1, Antony Kay2007,
324:
0.57 lb/equiv. hph (kg/equiv. kWh)@ Max Power, 300mph, Sea Level, ISA
284:
253:
215:
97:
46:
782:
778:
330:
0.5 lb/equiv. hph (kg/equiv. kWh)@ Max Power, 300mph, 20000ft, ISA
262:
185:
Variant with heat exchanger. Ran for first time in
December, 1945
93:
179:
Variant without heat exchanger. Ran for first time July 18, 1945
884:
116:, the Theseus was the first turboprop in the world to pass a
596:
478:. London: Sir Isaac Pitman & Sons. pp. 284–285.
112:
As well as being one of the first engines to feature a
529:. Cambridge, England. Patrick Stephens Limited, 1989.
159:
194:
970:
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493:
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511:Practical Mechanics, January 1947, p.116-118
431:
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258:8 x stainless steel can combustion chambers
589:
575:
205:
499:Practical Mechanics, February 1947, p.172
473:
426:
467:
283:pressure feed to bearings, dry sump, 40
361:1.02 equiv. hp/lb (1.677 equiv. kW/kg)
16:1940s British turboprop aircraft engine
971:
570:
128:The engine was also installed in two
13:
527:World Encyclopedia of Aero Engines
476:Aircraft Engines of the world 1946
202:Aircraft Engines of the world 1946
14:
1000:
541:
160:Bristol Theseus on public display
328:Specific Fuel Consumption :
287:(13 cSt) (Intavia 620) grade oil
29:
518:
142:
458:
449:
415:
398:
389:
291:
267:2-stage axial + 1-stage axial
195:Specifications (Theseus Th.21)
135:It was soon superseded by the
1:
989:Mixed-compressor gas turbines
377:
240:
236:2,310 lb (1,050 kg)
627:Horizontally opposed engines
558:Development of the turboprop
7:
474:Wilkinson, Paul H. (1946).
365:
277:Kerosene (R.D.E. / F / KER)
170:
10:
1005:
218:with matrix heat exchanger
92:'s first attempt at a gas-
38:Preserved Bristol Theseus
940:
907:
883:
835:
777:
759:
708:
644:
625:
613:Bristol Aeroplane Company
611:
320:Specific fuel consumption
224:106 in (2.69 m)
90:Bristol Aeroplane Company
37:
28:
23:
984:Bristol aircraft engines
382:
372:List of aircraft engines
230:48 in (1.22 m)
139:design with more power.
979:1940s turboprop engines
206:General characteristics
349:Maximum flight rating:
343:Maximum flight rating:
335:Thrust-to-weight ratio
315:30.0 lb/s (13.61 kg/s)
305:Overall pressure ratio
165:East Midlands Aeropark
132:development aircraft.
114:free propeller turbine
445:: 270. 27 March 1947.
357:Power-to-weight ratio
298:Maximum power output:
271:driving the propeller
154:Handley Page Hermes 5
130:Handley Page Hermes 5
182:Theseus Series TH.21
176:Theseus Series TH.11
149:Avro Theseus Lincoln
548:"Bristol Theseus I"
455:Gunston 1989, p.34.
77:Handley Page Hermes
167:Castle Donington.
96:engine design. A
72:Major applications
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410:978 1 86126 912 6
214:Mixed compressor
82:
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761:Bristol Siddeley
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602:Bristol Siddeley
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563:30 November 1950
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855:Coupled Proteus
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102:heat exchanger
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66:18 July 1945
65:
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53:Manufacturer
52:
51:
48:
45:
42:
41:
36:
32:
27:
22:
19:
958:Gordon Lewis
874:
792:Gyron Junior
710:Sleeve valve
605:aero engines
560:
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519:Bibliography
475:
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269:free turbine
261:
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199:
198:
163:
143:Applications
134:
127:
123:Avro Lincoln
111:
104:to transfer
85:
83:
18:
841:Turboshafts
771:(1959-1966)
764:gas turbine
619:(1920-1956)
292:Performance
281:Oil system:
247:Compressor:
234:Dry weight:
188:Theseus 502
973:Categories
948:Roy Fedden
837:Turboprops
378:References
275:Fuel type:
254:Combustors
241:Components
106:waste heat
63:First run
941:Designers
783:Turbofans
779:Turbojets
727:Centaurus
285:S.U. secs
228:Diameter:
216:turboprop
200:Data from
118:type test
109:reduced
98:turboprop
47:Turboprop
801:variants
732:Hercules
366:See also
171:Variants
88:was the
24:Theseus
928:Stentor
885:Ramjets
875:Theseus
870:Proteus
822:Phoebus
812:Pegasus
807:Orpheus
799: (
797:Olympus
742:Perseus
695:Phoenix
690:Pegasus
680:Neptune
675:Mercury
670:Lucifer
665:Jupiter
598:Bristol
554:article
550:a 1945
412:, p.139
263:Turbine
222:Length:
137:Proteus
94:turbine
86:Theseus
918:BS.605
860:Nimbus
850:BS.360
817:BS.100
747:Taurus
722:Aquila
636:Cherub
561:Flight
552:Flight
533:
442:Flight
408:
923:Gamma
865:Orion
827:Viper
737:Orion
700:Titan
685:Orion
660:Hydra
655:Draco
383:Notes
212:Type:
43:Type
899:Odin
894:Thor
767:and
531:ISBN
406:ISBN
84:The
309:5:1
975::
839:/
781:/
600:/
504:^
484:^
439:.
428:^
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887::
843::
803:)
785::
715::
648::
629::
590:e
583:t
576:v
359::
337::
322::
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256::
Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.
