B747-400LCF Infos apo prwto xeri

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B747-400F

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11/08/2005
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Epeidh o Akis kleidwse to allo topic gia to LCF (kai kala ekane me ayta pou grafontan), tha ithela na moirastw kapoies plirofories gia to LCF, tis opoies gnwrizw san ergazomenos sthn Cargolux.

H Cargolux gia ena diasthma htan na parei ena kommati twn pthsewn metaforas exarthmatwn tou 787 apo Italia pros USA ws ypergolabia apo thn Evergreen. Prin ligous mhnes apesyre to endiaferon ths, dioti den tha exei kanena kerdos apo thn drastiriothta ayth ypo tous parontes orous.

Thn anoixh, otan akoma hmastan sthn omada gia to LCF, mas egine parousiash tou LCF se ekdhlwsh sthn etaireia.

To LCF sxediasthke apokleisthka gia thn metafora exarthmatwn tou B787 apo thn Iapwnia kai thn Italia pros USA, kathws kai gia pthseis anamesa sta ergostasia ths Boeing sthn Amerikh.

Otan h Boeing apofasise na dwsei meros ths paragwghs se etaireies ektws USA proekypse to erwthma ths metaforas twn exarthmatwn.
Opws isws gnwrizete, to B787 tha einai to prwto airliner me atrakto apo carbon fibres. Yparxoun mono kapoia poly mikrotera Jets pou exoun kataskeyastei me tetoia atrakto. Epeidh ta exarthmata kataskeyazontai ex oloklhrou, dhladh exoume kommatia, pou exoun thn diametro atraktou tou B787, den eixan aeroskafos sthn diathesh tous na ta metaferoun. Isws to Beluga na ekane gia thn douleia, alla den endiefere thn Boeing na parei Beluga apo thn Airbus (kai poios xerei an h Airbus tha tous ta edine...).

Apofasisthke loipon h metatroph triwn metaxeirismenwn B747-400 gia ton skopo ayto. O sxediasmos egine apo grafeio ths Boeing sthn Mosxa, ypo ton syntonismo ths Boeing. H metatroph tha ginotan apo thn Evergreen sto Taipei.
Phran loipon ta B744 kai ta ekanan cabrio kobontas olo to panw meros ths atraktou, opou shmera to LCF ferei thn "fouska". Malista sto prwto, oi Taiwanezoi ekanan lathos, kai kopsane peripou 10cm pio xamhla kata mhkos ths atraktou. Bebaia an analogistei kaneis to megethos ths synolikhs metatrophs, mikro to kako, aplws allaxane ths diastaseis twn exarthmatwn pou prosthesane.

To aeroskafos exei ta exhs xarathristika:

H fouska einai unpressurized. Gia ton skopo ayto, egine epembash sto mprostino meros tou skafous opou prostethike neo rear-pressure bulkhead. H epembash ayth fainete sto abafo aeroplano. Mprosta apo thn fouska, diakrinete katheth zonh diaforetikou xrwmatos. Ekei to neo pressure bulkhead syndeete me to exw meros ths atraktou, to opoio profanws enisxythike sta shmeia ayta.

Sto pisw meros h oura einai typou swingtail. Se antithesh me alla aeroskafh h atraktos ekei den anoigei me actuators tou aeroplanou.
Tha yparxoun eidika oxhmata edafous, ta opoia tha efaptontai sto pisw meros tou aeroskafous gia na to anoigoun me dikh tous kinish.
H lsyh ayth den synista periorismo, dioti tha petaei mono se liga aerodromia, pou tha exoun to oxhma ayto.

To patwma eswterika, den tha einai epipedo, alla tha einai eidika damorfomeno me rages ypodoxhs eidikwn kataskeywn, pou tha einai epanw fortwmena ta kommatia tou 787. Kata tis pthseis epistrofhs, tha prepei na metaferontai oi adeies kataskeyes pros ta ergostasia sto exwteriko. Ws ek toutou ta LCF den tha einai katallhla kai diathesima gia metafora allwn yperogkwn emporeymatwn. (Ase pou den yparxei tropos na anoixeis to aeroplano an den exeis to eidiko oxhma sto aerodromio...)

H taxythta tha einai toulaxiston Mach.82 (B744 M.85) alla isws kai pio grhgoro, tha to deiksoun ta testflights. Den tha yparxei problima me to megisto baros apogeiwshs. Oi ypodoxes gia ta exarthmata tou B787 tha zygizoun gyrw stous 30 tonous. Ta idia ta exarthmata epishs tha einai gyrw stous 30 tonous. Ara me 60-70 tonous fortio, tha mporei na fortwthei
arketo kaysimo, wste na mhn yparxoun problimata embeleias, akoma kai me dedomenh thn ayxhmenh aerodynamikh antistash ths kataskeyhs.

H Boeing edwse thn ekmetalleysh twn triwn aeroskafwn sthn Evergreen apo ths Hnwmenes politeies. H Evergreen ayth oudemia sxesh exei me thn Evergreen apo thn Taipei pou ekane thn metatroph, aplh synonimia einai.

To LCF einai ena aeroskafos, pou sxediasthke gia sygkekrimeno skopo, den einai h mellontikh diorofh ekdosh tou B747 kai an kai exei trabhksei poly kritikh apo tous spotters gia thn emfanish tou, pisteyw oti einai kalh lysh gia ton skopo pou kataskeyasthke.

Ayta gia na dialeykanw ligo thn ypothesh, meta apo ta polla pou grafthkan sto allo thread pou kleidwthike.
 
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