航空发动机发展

WP14“昆仑”

2002年5月20日定型用于“飞豹”的

国产涡扇9发动机

“秦岭”通过定型鉴定

2003年7月18日涡扇10“太行”设计定型

2005年12月28日我国自行研制的“太行”涡轮风扇发动机通过设计定型，标志我国航空发动机研制迈上了新的台阶。我国研制的发动机

“昆仑”

WP14（涡喷14）

涡轮喷气发动机

“秦岭”

WS9（涡扇9）

涡轮风扇发动机“太行”

WS10（涡扇10）

涡扇风扇发动机

我国研制的三种发动机

问题

为什么是不同型式的发动机此二型发动机有何不同，各有何特点当前常用的还有哪些发动机涡轮喷气发动机涡轮风扇发动机

涡轮风扇发动机低涵道比涡轮风扇发动机高涵道比涡轮风扇发动机加力式涡轮风扇发动机低涵道比涡轮风扇发动机

20世纪60年代，广泛用于窄体机身的旅客机，如三叉戟，波音707，波音727、波音737-200，MD-80，图-154等。三叉戟波音-707

高涵道比涡轮风扇发动机上世纪70年代初投入使用后，已广泛用于各种类型的旅客机包括干线客机、支线客机。加力式涡轮风扇发动机自上世纪60年代研制成功后，已成为现代战斗机的动力装置，并促进了第3代、第4代战斗机的发展除涡轮喷气、涡轮风扇发动机

外还有

☆涡轮螺旋桨发动机☆涡轮轴发动机Boeing787Boeing787Dreamliner

TypeAirlinerManufacturerBoeingCommercialAirplanesIntroduced2003/2004StatusunderdevelopmentRenderingoftheBoeing787-8finaldesign,inNorthwestAirlinesliveryTheBoeing787,orDreamliner,isamid-sizedwidebodypassengerairlinercurrentlyunderdevelopmentbyBoeingCommercialAirplanesandscheduledtoenterservicein2008.Itwillcarrybetween200and350passengersdependingontheseatingconfiguration,andwillbemorefuel-efficientthancomparableearlierairliners.Itwillalsobethefirstmajorairlinertousecompositematerialformostofitsconstruction.PriortoJanuary28,2005,the787wasknownasthedevelopmentaldesignator7E7.OnApril26,2005,oneyeartothedayafterthelaunchoftheprogram,thefinallookoftheexternal787designwasfrozen[1].Withalessrakishnoseandamoreconventionaltail,thefinaldesignhasaerodynamicssuperiortotheinitial7E7concept.Background

Artist'sconceptoftheSonicCruiser,aproposedreplacementforthe767.When767salesbegantoweakeninthefaceofcompetitionfromtheAirbus

A330-200inthelate1990s,Boeingbegantoconsiderareplacement.AstheBoeing747-400wasalsobeginningtolosetraction,thecompanyproposedtwonewaircraft—theSonicCruiserandthe747X.TheSonicCruiserwasintendedtoachievehigherspeeds(approximatelyMach0.98)whileburningfuelatthesamerateastheexisting767andA330products.The747X,intendedtocompetewiththeAirbusA380,wouldstretchthe747-400andgiveitacompositesupercriticalwingtoimproveefficiency.Thelimitedpotentialmarketforsuperjumboswasanissue,however;theearlierDouglasDC-10andLockheedL-1011

widebodiessplitasimilarlylimitedmarketanddrovebothcompaniesoutoftheirstrongpositionsinthecommercialaircraftmarket.Marketinterestforthe747Xwastepid;theSonicCruiserhadbrighterprospects.Severalmajorairlines,primarilyintheUnitedStates,voicedtheiroptimismfortheconcept.Bydecreasingtraveltime,theywouldbeabletoincreasecustomersatisfactionandaircraftutilization.IntheaftermathoftheSeptember11,2001attacks,theglobalairlinemarketwasupended.Airlineswerenotabletojustifylargecapitalexpenditures,andduetoincreasedpetroleumprices,weremoreinterestedinefficiencythanspeed.Theworst-affectedairlineswereintheUnitedStates—thosesameairlineswereconsideredtobethemostlikelycustomeroftheSonicCruiser.Boeingproceededtoofferairlinestheoptionofusingtheairframeforeitherhigherspeedorincreasedefficiency.Duetohighprojectedairframecosts,demandcontinuedtoevaporate.Eventually,Boeingswitchedtracksanddecidedtoofferanalternativeproject,cancellingthe747XonceAirbuslaunchedproductionoftheAirbusA380aircraft.

Artist'sconceptofthe7E7thatshowsthenoseandtailpriortothefinal'787'redesign;liveryoflaunchcustomerAllNipponAirways.ThereplacementfortheSonicCruiserprojectwasdubbedthe7E7(withadevelopmentcodenameofY2.)The"E"wassaidtostandforvariousthings,dependingupontheaudience.Tosome,itstoodfor"efficiency,"toothersitstoodfor"environmentallyfriendly,"etc.Intheend,Boeingclaimeditmerelystoodfor"Eight,"aftertheaircraftwaseventuallyrechristened"787"whenseveralChineseairlinesorderedtheproduct.EightisaluckynumberinmanyAsiancultures,anditwasthoughtbysomethatBoeingseizeduponthiscoincidenceasamarketingtool.[2]

The787essentiallyusesthetechnologyproposedfortheSonicCruiserinamoreconventionalairframeconfiguration(seeFeatures).Boeingclaimsthatthe787willbeupto20%morefuel-efficientthancurrentcomparableaircraft.Roughlyone-thirdofthisefficiencyimprovementwillcomefromtheengines;anotherthirdfromaerodynamicimprovementsandtheincreaseduseoflighterweightcompositematerials;andtherestfromadvancedsystems.Themostnotablesystemadvancementcontributingtoefficiencyisa"moreelectricarchitecture"whichreplacesbleedairandhydraulicpowerwithelectricallypoweredcompressorsandpumps.TechnologyfromtheSonicCruiserand787willbeusedaspartofBoeing'sprojecttoreplacetheirentireairlinerproductline,calledtheYellowstoneProject(ofwhichthe787isthefirststage).Boeingselectedtwoenginetypes,theGeneralElectric(GE)GEnxandRolls-Royce

Trent1000topowerthe787.Significantly,thisleavesPratt&Whitneyunabletoofferoneoftheirownenginesto787customers.Boeingmayhavewishedtorelyontwoevolvedversionsofexistingenginesratherthanthehigher-riskoptionofanallnewPratt&Whitneyengine,particularlyinlightofPratt&Whitney'srecentfailuresintheRegionalJetmarketandfailedPW6000enginefortheA318.Forthefirsttimeincommercialaviation,bothenginetypeswillhaveastandardinterfacewiththeaircraft,allowingany787tobefittedwitheitheraGEorRolls-Royceengineatanytime.Engineinterchangeabilitymakesthe787afarmoreflexibleassettoairlines,allowingthemtochangefromonemanufacturer'senginetotheother'sinlightofanyfutureenginedevelopmentswhichconformmorecloselytotheiroperatingprofile.Theenginemarketforthe787isestimatedat$40billionUSDoverthenext25years.Thelaunchofanewairlinercanbeexpectedtodrawscathingcommentsfromcompetitors,Boeing'sdoubtovertheA380andAirbus'mockingoftheSonicCruiserbeingrecentexamples.The787isnoexception,asAirbus'JohnLeahyhasmadeattemptsatrefutingallofBoeing'sclaims,openlycriticizingthelarge-scaleuseofcompositesinthe787'sfuselageasbeing"rushedandridiculous",ignoringthefactthatBoeingbuiltandtestedthefirstcompositesectionwhileexaminingtheSonicCruiserconceptnearly5yearsago[3]makingthe787asignificantlyrefinedproduct[4].AirbusrecentlyofferedthecompetingA350usingderivativesoftheturbofansdevelopedforthe787,modifiedtogeneratebleedair.ThisnewjetwillmakelesswidespreaduseofcompositeswithAirbuspreferringaluminium-lithiumalloysforthefuselage[5].AsofOctober132005theA350had143commitmentsfromvariousairlinecompanies,howeveritwasrecentlyannouncedthattheA350wouldnotbeavailableuntil2011,threeyearsafterthe787willbeinservice.Incomparisonthe787alreadyhas388firmorderssofar.InordertocompetewiththelargerversionoftheAirbusA350,andespeciallytocompeteforthelargeorderfromEmiratesandanorderfromBritishAirways,Boeinghasannounceditwillproducea"787-10",withseatingcapacitybetween290-310.[6]Thishasbeenreportedinnumerousarticles[7],includingonATWOnline'sdailynews[8].Productionofthisnewmodelisprojectedfor2012.Formallaunchmaycomeinlate2006or2007.[1]

CommerciallaunchOnApril26,2004,theJapaneseairlineAllNipponAirways(ANA)becamethelaunchcustomerforthe787,thenstill-knownasthe7E7,announcingafirmorderfor50aircrafttobedeliveredbeginningin2008.ANA'sorderwasforthirty787-3,300seat,one-classdomesticaircraft,andtwenty787-8,long-haul,230seat,two-classaircraftforinternationalroutessuchasTokyo

Narita-LosAngeles.Theaircraftwillallownewroutestobeopenedtomid-sizedcitiesnotpreviouslyserved,suchasDenverandMontreal.Laterordersandoptionsareasfollows.OrdersandoptionsDateAirlineEISTypeEngine787-3787-8787-9

TBA

OptionsRightsGERRApril26,2004

AllNipponAirways

[9]

20083020

50

June2,2004

AirNewZealand

[10]

2008

2

16

July7,2004

FirstChoiceAirways[11]

2009

6

6

BluePanorama

[12]

2009

4

2

October21,2004

PrimarisAirlines

[13]

2008

20

15

December22,2004

JapanAirlines

[14]

20081317

20

December29,2004

ContinentalAirlines

[15]

2009

10*

December31,2004

VietnamAirlines

[16]

2010

4

11

January28,2005

AirChina

[17]

2008

15

ChinaEastern

[18]

2008

15

ChinaSouthern

[19]

2008

10

HainanAirlines

[20]

2008

8

ShanghaiAirlines

[21]

2008

9

XiamenAirlines

[22]

2008

3

February4,2005

EthiopianAirlines

[23]

2008

5

5

February25,2005

Icelandair

[24]

2010

2

5

April11,2005

KoreanAir

[25]

2010

10

10

April25,2005

AirCanada

[26]

2010

14

46

April26,2005

AirIndia

[27]

2008

20

7

May5,2005

NorthwestAirlines

[28]

2008

18

50

May16,2005

LCAL[29]

2009

6

May31,2005

EthiopianAirlines

[30]

2008

5**

-5

July31,2005

RoyalAirMaroc

[31]

2008

4

1

September7,2005

LOTPolishAirlines

[32]

2008

7

25

September16,2005

GarudaIndonesia

[33]

2011

10

October13,2005

ILFC

[34]

2010

20***

4

October25

2005

AirNewZealand

[35]

2008

2

December13

2005

Qantas

[36]

2008

1530

2050

December19

2005

CRAirways

[37]

2008

10

December30,2005

AirIndia

[38]

2008

7**

-7

December31,2005

LCAL[39]

2009

8

March3,2006

Unidentified?

1

March6,2006

KenyaAirways

[40]

2010

6

6

April5,2006

Icelandair

[41]

2012

2**

-2

April25,2006

AirPacific

[42]

2011

5

3

May11,2006

AirNewZealand

[43]

2010

-44

Sub-totals4329248102596111189Totals393Orders(350firm,43pending)320Entriesshadedinpinkhavebeenannounced,buthavenotyetsignedafirmcontract.*ContinentalAirlineshas7firmand3pending.

**Indicatesanexercisedoptionorpurchaseright

***AirSeychelleswilllease2unitsfromILFCinthe2010

InitialsalesCustomerannouncedordersandcommitmentsforthe787reached237aircraftduringthefirstyearofsales.Thismakesthe787thefastest-eversellingairlineruponlaunch;bycomparison,the747sold92unitsduringthesametimeperiod.Boeingexpectstohave500ordersbyentryintoservice(EIS).The787-3and787-8variantswillbeavailablefirst.The787-9wasexpectedtobeavailabletwoyearslater,butthefirst2.5yearsproductionhasnowbeensoldoutfortheinitialvariants,sotheintroductionofthe787-9hasbeendelayedinordertofulfillinitialdemand.AsofMay1,2006,threeairlineshadalreadyorderedatotalof39Boeing787-9.The787-8variantwaspricedatalistpriceof$US120millionperaircraft,surprisingtheindustry,whichwasexpectingamuchhigherpricetag.Therehavebeentwopriceincreasessincelaunchanda787-8currentlysellsfor$US148-157.5million.Likelaunchcustomersofpastaircraft,ANAisrumoredtohavereceivedasignificantdiscountofaround40-50%offtheoriginalprice.Thismayneverbeeasilyconfirmed,butthepracticeisverycommonintheaviationindustry.Production

FuselagebarrelsectionsfromAleniaandVoughtwillbeflowntoEverettonmodified747s.Boeingwillassembletheaircraftandmanufactureitsforwardfuselage,tailfin,ailerons,flaps,andslats.Foritsentirehistory,Boeinghasjealouslyguardeditstechniquesfordesigningandmassproducingcommercialjetlinerwings.Duetoeconomicrealities,thewingswillbemanufacturedbyJapanesecompaniesinNagoya,whilethehorizontalstabilizerswillbemanufacturedbyAlenia

AeronauticainItaly,andthefuselagesectionsbyVoughtinSouthCarolina,AleniainItaly,KawasakiinJapan,andSpiritAeroSystems,inWichita.[2]

Japaneseindustrialparticipationisveryimportanttotheproject,with35%workshare,withmanyofthesubcontractorssupportedandfundedbytheJapanesegovernment.OnApril26

2006,JapanesemanufacturerTorayindustriesandBoeingannouncedaproductionagreementinvolving$6billionworthofcarbonfiber.Thedealisanextensionofacontractsignedin2004betweenthetwocompaniesandeasessomeconcernsthatBoeingmighthavedifficultymaintainingit'sproductiongoalsforthe787.TheJapaneseparticipantsarenolongerjuniorpartners.FromFrance,Messier-DowtywillbuildthelandinggearandThaleswillsupplytheintegratedstandbyflightdisplay,electricalpowerconversionsystem,andin-flightentertainment.HoneywellandRockwell-Collinswillprovideflightcontrol,guidanceandotheravionicssystems,includingstandarddual

headupguidancesystems.FutureintegrationofforwardlookinginfraredisbeinglookedatbyFlightDynamicsallowingimprovedvisibilityusingthermalsensingaspartoftheHUDsystem,allowingpilotsto"see"throughtheclouds.

Nosesectionofthe787-8,unveiledatSpiritWichitaforthefirsttime.Thefinalassemblywillconsistofattachingfully-completedsubassemblies,insteadofbuildingthecompleteaircraftfromthegroundup.ThisisatechniquewhichBoeinghaspreviouslyusedonthe737program,whichinvolvesshippingfuselagebarrelsectionsbyrailfromSpirit'sWichita,KansasfacilitytoBoeing'snarrowbodyfinalassemblyplantatRenton,Washington.Airbushasalsousedthistechniqueinthepast,althoughinitscaseitismoreofapoliticalnecessityresultingfrompartnernations'dividedworkshare.Afterstiffcompetition,BoeingannouncedonDecember16,2003thatassemblywouldtakeplaceinEverett,Washington,employing800to1,200people.The787willundergowind-tunneltestingatBoeing'sTransonicWindTunnel,QinetiQ'sfive-meterwindtunnelbasedinFarnborough,UK,andNASAAmesResearchCenter'swindtunnel,aswellasattheFrenchaerodynamicsresearchagency,ONERA.ThefirstcompositesectionrolledoutinJanuaryof2005,andfinalexternaldesignwassetinApril2005.Boeingintendstodeliver118aircraftduringthefirst18monthsofproduction.Duetocustomerdemand,Boeingiscurrentlyconsideringwhethertoopenasecondproductionline.[1]Someofthedifficultyinthiscaserevolvesaroundtheproductioncapacityofsuppliers.Forexample,Aleniaissaidtoonlybeabletoproduceseven787fuselagesectionspermonth.Difficulitiesinincreasingproductionratesresultedinseveredeliverydelaysin1999.[1]

CurrentpotentialSalesInformationMay/June2006Currently,Boeingisintalkswithseveralinternationalcarriers.SingaporeAirlinesandEmiratesAirlineshaveshownaninterestinthenew787s,andhavebeencourtingBoeingandAirbusforsometime.Emiratesrecently,hasbeenpushingBoeingtofurtherstretchtheDreamlinerforaDash10model.Adecisionisexpectedattheupcomingairshow.WhiletheA350islaggingbehindinorders,ithasprovidedformidablecompetitiontothe787,forcingtheDreamlinersalesteamtoworkveryhardtowinneworders.However,the787'sextremepopularityhasresultedinproductionbeingsoldoutthrough2011.[1]

AdditionalordersareexpectedlateronfromAirNewZealand,ContinentalAirlinesandNorthwestAirlines-astheircurrentfleetsconsistmainlyof767andA330aircraftwhichwillberetiringinthenextdecade.CurrentlyBoeinghasproposalsformorethan600aircraft;notallwillturnintofirmorders,butBoeinghopestoretainmorethana60%shareinthismarket.Boeingiswellonitswaytoachievingitsgoalof500firmordersbeforeentryintoservice.IfBoeing'sDreamlinersalesshouldcontinueattheircurrentrate,asecondproductionlineiscurrentlybeingconsideredandadecisionisexpectedasearlyasOctober2006.Otherprospectivecustomersforthe787include:Aeroflot-whoisexpectedtodecidebetweentheA350and787shortlyAerolineas

Argentinas

Aeromexico-whoisrumouredtobeoneofthemanyairlinesinserioustalkswithBoeingAer

Lingus-onceastrongBoeingcustomerwhoseemstobeheadedtoanallAirbusfleetAlitalia-withwhomthe787wouldfitinperfectly,howeverhindrancesincludefinancialwoesAmericanAirlines-possiblereplacementforAmerican'sAirbusA300sandolderBoeing767swhenfinancesareinorderAvianca-whohaspublicyexpressedthatthe787appearstobeaperfectfitwiththemBritishAirways-whichislookingtoreplaceitsBoeing767fleetwitheitherA350sorBoeing787sCathayPacific-whichhasnotshownseriousinterestinaircraftsmallerthanthe777/A340forsometimenowChinaAirlines

DeltaAirLines-thelargestBoeing767operatorwhowillneedaperfectreplacementinyearstocomeElAl-EmiratesAirlines-whoislikelytoplaceanorderforupto100ofeithertheA350or787EtihadAirways-whoisconstantlyanalysingit'sgrowthpotentialandmayplaceanorderby2007EVAAir

Flyglobespan-iftheEuropetoUnitedStatesrouteprovestobesuccessful,theyhaveindictedthattheywilloptforthe787.GECAS

GulfAir

JetAirways

LANLufthansa-rumourhasitthedash3variantcouldbeperfectforthemMalaysiaAirlines

PakistanInternationalAirlines

RBSAviation

SaudiArabianAirlines

SingaporeAirlines-innegotiationswithbothmanufacturer's,adecisionisexpectedbyJune2006ThaiAirways

TunisAir-expectedtomakeadecisionbySummer2006onA330sor787sTurkishAirlines

UnitedAirlines-CEOGlennTiltonhasexpressedmajorinterestinboththe787andtheAirbusA350

Varig-whosefinancialstatemaypreventanorderaltogetherifiteventuallyliquidatesVivaMacau-alongawaitedcustomerwhoisstillevaluatingthebenefitsofbothAirbus'andBoeing'sofferning

ZoomAirlines

FeaturesTwinaisleseating.18.5"standardseatwidthincoachina2+4+2arrangement,17.3"ina3+3+3arrangement,2"armrests,4"(atthecentersectionof2+4+2),standardaislewidthof21.5".Cabininteriorwidthat50"fromtheflooris223"(recentlyincreasedby1"),theinteriorcabinwidthisafull15"greaterthanthatoftheAirbusA330/A340andstillaboutafootwiderthanthenewerA350.Twoclassconfigurationof240seatsintwoclassdomesticwith46"firstclasspitchand34"coachclass.296paxinahighdensity2+4+2coacharrangementwith36"Businessand32"Coachpitch.Upto224-234inathreeclasswith61"PitchFirst(2+2+2or2+1+2),39"PitchBusiness(2+3+2or2+2+2)and32"Coach(2+4+2).Cruisespeed:0.85Mach(903km/hor561mphataltitude)Rangeof8,500nauticalmiles(15,700km),enoughtocovertheLosAngelestoHongKongorNewYorktoTokyoroutes.Constructionmaterials(byweight):50%composite,20%aluminum,15%titanium,10%steel,5%other.Compositematerialsaresignificantlylighterandstrongerthantraditionalaircraftmaterials,makingthe787averylightaircraftforitscapabilities.Byvolume,the787willbe80%composite.The787productionlinewillbeabletofinishanaircraftinaslittleasthreedays,comparedto11daysforthe737.Largerwindowsthananyothercivilairtransport(27cmby47cm),withahighereyelevel,sopassengerscanseethehorizon,withliquidcrystaldisplay(LCD)-based"auto-dimming"toreducecabinglareandmaintaintransparency.ThesearetobesuppliedbyPPG[44].Light-emittingdiode(LED)cabinlighting(threecolor)willbeusedinsteadoffluorescenttubes,allowingtheaircrafttobeentirely'bulbless'andhave128colorcombinations.AversionofEthernet–AvionicsFull-DuplexSwitchedEthernet(AFDX)/ARINC664--willbeusedtotransmitdatabetweentheflightdeckandaircraftsystems.LCDmulti-functiondisplaysontheflightdeck,allofwhichwilluseanindustrystandardGUI

widgettoolkit(CockpitDisplaySystemInterfacestoUserSystems/ARINC661)[45]

Bleedless

turbofans,allowingeliminationofsuperheatedairconduitsnormallyusedforde-icing,aircraftpower,andotherfunctions.Thesesystemsaretobereplacedwithanall-electricalsystem.Cabinairprovidedbyelectricallydrivencompressors(noenginebleedair).Higherhumidityinthepassengercabinbecauseoftheuseofcomposites(whichdonotcorrode).Theinternalpressurewillbeincreased,totheequivalentof6000feet(1800m)altitudeversus8000(2400m)onconventionalaircraft.Thiswillsignificantlyimprovepassengercomfort.Boeingisexperimentingwithseveralenginenoisereducingtechnologiesforthe787.Amongthesearearedesignedairinletcontainingsound-absorbingmaterialsandredesignedexhaustductcoverswhoserimistippedinatoothedpatterntoallowforquietermixingofexhaustandoutsideair.Boeingexpectsthesedevelopmentstomakethe787significantlyquieterbothinsideandoutsidethepassengercabin.Earlyconceptimagesofthe787includedrakishcockpitwindows,adroppednose,andadistinctive"shark-fin"verticalstabilizer.Thefinalstylingoftheaircraftwasmoreconservative,withthefinlessradicalthanonearlierimages,butthenoseandcockpitwindowswereretained.ThenoseisverysimilartothatoftheDornier328Jet.VariantsAirNewZealandwillbethelaunchcustomerfortheinitialstretchversion,the787-9.The787iscurrentlybeingofferedinthreevariants:The787-3willbea296seat(twoclass)short-rangeversiontargetedathighdensityflights,witharangeof3,500nauticalmiles(6,500km).EISis2010.Boeingistargetingthe787-3toreplacetheAirbusA300andA310,andBoeing757-300,767-200,and767-300.The787-3willhavenodirectcounterpartfromAirbus.The787-8willbethebaselinemodel,with223seatsinthreeclassesandarangeof8,500nauticalmiles(15,700km).EISis2008.Boeingistargetingthe787-8toreplacethe767-300ER.The787-8willhavenodirectcounterpartfromAirbus.The787-9willbeastretchedvariant,seating259inthreeclasses.ThetargetedEISissetat2010[46].Boeingistargetingthe787-9toreplacetheAirbusA330-200andA340-200,Boeing767-400ER,McDonnellDouglas

DC-10,andLockheed

L-1011.AirbusisofferingtheA350-800incompetition.Inaddition,Boeingisstudyingthe787-10,astretchedvariantseatingroughly300whichisintendedtocompetewiththeplannedAirbusA350-900.[3]The787-10wouldsupersedethe777-200Aand777-200ERinBoeing’scurrentlineup,andcouldalsobetargetedtoreplacetheAirbus

A330-300andA340-300,andMcDonnellDouglasMD-11.EmiratesAirlinesandQantashaveshowninterestinsuchvariantwhichwouldenterservicein2012.[4]ThisvarianthasnotyetbeenofficiallylaunchedbyBoeing,butMikeBair,headofthe787Program,hasalreadystatedthat“It'snotamatterofif,butwhenwearegoingtodoit...The787-10willbeastretchedversionofthe787-9andsacrificesomerangetoaddextraseatandcargocapacity”.[5]

Specifications787-3787-8787-9787-10757-300

(forcomparison)767-300ER

(forcomparison)767-400ER

(forcomparison)777-200ER

(forcomparison)Length:55.5m55.5m63m68.9m54.5m54.9m61.4m63.7mHeight:16.5m16.5m16.5m16.5m13.6m15.8m16.8m18.5mWingspan:51.6m58.8m60.0m60.0m38m47.6m51.9m60.9mCross

section:5.75m5.75m5.75m5.75m3.5m4.70m4.70m5.86mMTOW:163.5t216.5t244.9t244.9t123.6t186.9t204.1t297.6tSeats:290-330210-250250-290300-350243

twoclass218

threeclass245

threeclass301

threeclassCargo:16tons16tons16tons

?10tonsEngine:GE

GEnxor

RR

Trent1000GEGEnxor

RRTrent1000GEGEnxor

RRTrent1000GEGEnxor

RRTrent1X88-77RRRB211-535

orP&W

2037/40/43GECF6-80A2/C2or

P&WPW4062