| 词条 | General Electric T31 |
| 释义 |
{|{{Infobox Aircraft Begin |name= T31 |image= File:General Electric T31, Presidential Gallery, National Museum USAF.jpg |caption= A T31 in the Presidential Gallery of the National Museum of the United States Air Force }}{{Infobox Aircraft Engine |type= Turboprop |national origin = United States |manufacturer= General Electric |first run= May 1945 |major applications= Consolidated Vultee XP-81 XF2R Dark Shark |number built =28 |program cost = |unit cost = |developed from = |developed into = |variants with their own articles = }} |} The General Electric T31 (company designation TG-100) was the first turboprop engine designed and built in the United States. Design and developmentThe General Electric XT31 was first used in the experimental Consolidated Vultee XP-81.[3] The XP-81 first flew in December 1945, the first aircraft to use a combination of turboprop and turbojet power. The T31 engine was the first American turboprop engine to power an aircraft.[4] It made its initial flight in the Consolidated Vultee XP-81 on 21 December 1945. The T31 was mounted in the nose; an Allison J33 turbojet engine mounted in the rear fuselage provided added thrust. The T31 was also used on the Navy XF2R-1, similarly powered by a turboprop/turbojet engine combination. The engine was to have been flown experimentally on a Curtiss XC-113 (a converted Curtiss C-46), but the experiment was abandoned after the XC-113 was involved in a ground accident. Only 28 T31s were built; none were used in production aircraft, but improved production turboprop engines were developed from the technology pioneered by the T31. A derivative of the T31, the General Electric TG-110, given the military designation T41, was ordered but subsequently cancelled. Applications
Specification (XT31){{jetspecs|ref=World Encyclopaedia of Aero Engines 5th Ed.[5] |type=Turboprop |length= |diameter= |weight={{cvt|1980|lb}} |compressor=14-stage axial |combustion=8 can combustion chambers |turbine=axial single-stage |fueltype=Kerosene |oilsystem=pressure spray |power={{cvt|2300|hp|kW}} (shp) (design) at 13,000 rpm. (1,145 propeller rpm)
|thrust= |compression= |bypass= |aircon= |turbinetemp= |fuelcon= |specfuelcon= |power/weight={{cvt|1.162|hp/lb|kW/kg}} |thrust/weight= }} See also{{Aircontent|related=
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|see also= }} References1. ^1 {{cite book |last1=Dawson |first1=Virginia P. |title=SP-4306 Engines and Innovation: Lewis Laboratory and American Propulsion Technology ch3: Jet Propulsion: Too Little, Too Late |publisher=NASA |url=https://history.nasa.gov/SP-4306/ch3.htm |accessdate=19 October 2018 |format=htm}} {{commons category}}{{GE aeroengines}}{{USAF gas turbine engines}}2. ^{{cite journal |last1=Sinnette |first1=John T. Jr. |last2=Schey |first2=Oscar W. |last3=King |first3=J. Austin |title=Report 758:Performance of 8-stage axial comptressor designed on the basis of airfoil theory |journal=NACA |date=1943 |url=http://naca.central.cranfield.ac.uk/reports/1943/naca-report-758.pdf |publisher=NACA |format=pdf}} 3. ^{{cite book |last1=Wegg |first1=John |title=General Dynamics aircraft and their predecessors |publisher=Naval Institute Press |isbn=0-87021-233-8 |pages=178-180}} 4. ^{{cite web |title=General Electric T31 |url=https://www.nationalmuseum.af.mil/Visit/Museum-Exhibits/Fact-Sheets/Display/Article/195793/general-electric-t31/ |website=National Museum of the US Air Force™ |accessdate=19 October 2018 |date=5 October 2013}} 5. ^{{cite book |last=Gunston |first=Bill |title=World Encyclopaedia of Aero Engines |publisher=Sutton Publishing |location=Stroud |year=2006 |edition=5th |isbn=978-0-7509-4479-3| pages=79-80}} 4 : Turboprop engines 1940–1949|General Electric aircraft engines|Abandoned military aircraft engine projects of the United States|Axial-compressor gas turbine engines |
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