Gulfstream G550
EL / W-2085 CAEW na Rundunar Sojojin Isra'ila, wanda ake kira Eitam. Eriyan sadarwa da yawa suna nan a bayan fuselage kuma a ƙarshen "kumburi" na wutsiya tare da radar S-band. MAF
Ma'aikatar tsaron kasar ta zabi jiragen kasuwanci na Gulfstream 550 a matsayin wadanda za su gaji jirgin Yak-40, wanda aka dakatar da shi shekaru da dama da suka gabata, kuma an yanke shawarar ne bisa lokacin da za a kai sabbin jiragen. Har ila yau, wannan shawarar ta buɗe wasu buƙatun ga Rundunar Sojan Sama, saboda G550 kuma wani dandamali ne na iska, wanda aka shirya wasu nau'i na musamman.
Waɗannan kayayyaki ne masu ban sha'awa saboda an ƙirƙira su don yin ayyuka waɗanda a halin yanzu sun wuce ƙarfin aiki na rundunar sojojin sama. Zaɓin jirgin saman fasinja mai araha a matsayin mai ɗaukar tsarin aiki yana haifar da sha'awar ƙirƙirar jirgin sama a cikin isar kuɗi na ƙasashen da ba za su iya sarrafa injuna na musamman ta hanyar amfani da manyan fasinja ko jigilar jiragen sama ba.
Gulfstream ita kanta ta ƙera nau'ikan jiragenta na musamman a baya. Misalai sun haɗa da bambance-bambancen bayanan sirri na lantarki na EC-37SM akan Gulfstream V glider (G550 - sigar gwaji) na farkon shekarun ƙarni na 550 ko kuma nau'in G37 da ba a sarrafa shi ba, wanda, a ƙarƙashin nadi RQ-4, ya yi rashin nasara ya yi ƙoƙari ya haɗa da Navy na Amurka a cikin shirin BAMS (Binciken Yankin Ruwa mai Faɗaɗɗa - wanda Northrop Grumman MQ-XNUMXC Triton BSP ya zaɓa). Gulfstream ya ci gaba da ba da sabon jirginsa na musamman na musamman ga Pentagon, wanda kamfanin iyayensa General Dynamics ke goyan bayansa tare da haɗin gwiwa tare da wasu kamfanoni.
Kamfanin da ya shirya, a tsakanin sauran abubuwa, tsarin ayyuka da yawa don shigarwa a jikin jirgin. G550 mallakar Isra'ila Aerospace Industries (IAI) ne tare da Elta, reshensa na lantarki kuma watakila an fi sani da gina tashoshin radar. A halin yanzu, IAI / Elta yana ba da tsarin zirga-zirgar jiragen sama guda huɗu: EL / W-2085 (musamman faɗakarwar farkon iska da tsarin sarrafawa), EL / I-3001 (hankalin lantarki, sadarwa), EL / I-3150 (binciken radar da filayen yaƙi na lantarki). ) da EL/I-3360 (jirgin sintiri na teku).
EL/W-2085 KAEV
Mun kuskura mu ce mafi shaharar tsarin IAI / Elta shine faɗakarwa da faɗakarwa da sauri (AEW & C) wanda ake kira EL / W-2085 CAEW. Wannan nadi ya fito ne daga tsarin radar da aka shigar, yayin da CAEW ya fito daga Gargadin Farko na Airborne Conformal. Wannan yana haskaka hanyar shigarwa na eriya na radar. Ana buƙatar eriya masu tsayi na gefe guda biyu a cikin kwantena na yau da kullun da ke haɗe tare da fuselage. Waɗannan an haɗa su da ƙananan eriya guda biyu, ɗaya a kan hancin jirgin, ɗayan kuma a wutsiya. Dukansu suna da kariya ta radomes na rediyopaque a cikin nau'in kusoshi masu zagayawa maimakon lancet waɗanda muke gani akan mayaƙan supersonic. Irin waɗannan garkuwoyi masu zagaye sun fi fa'ida daga ra'ayi na yaduwar raƙuman radar, amma ba a amfani da su akan mayaka don dalilai na iska. Koyaya, a cikin yanayin jirgin sama na sintiri na subsonic, ana iya samun irin wannan "al'ada". Duk da haka, wannan baya nufin cewa IAI ta yi sulhu a kan aerodynamics. Zaɓin G550 a matsayin mai ɗaukar kaya an tsara shi, a tsakanin sauran abubuwa, ta hanyar ingantacciyar iska mai kyau, wanda aka daidaita sifofin radar na yau da kullun. Bugu da kari, IAI ta zabi G550 saboda faffadan fasinja mai fadi, wanda ke da isasshen sarari ga mukaman mai aiki guda shida. Kowannen su yana sanye da nuni mai launi iri-iri mai girman inci 24. Software ɗin su yana dogara ne akan MS Windows. Matsakaicin duniya ne kuma daga kowannensu yana yiwuwa a sarrafa duk tsarin aikin jirgin sama. Sauran fa'idodin G550 bisa ga IAI sune kewayon jirgin na kilomita 12, da kuma tsayin daka mai tsayi (+500 m ga farar hula G15), wanda ke ba da gudummawa ga sa ido kan sararin samaniya.
Radar na gefe suna aiki a cikin kewayon decimeter L. Eriyas na tashoshin da ke aiki a cikin wannan kewayon, saboda abubuwan da suke da su na zahiri, ba dole ba ne su zama babba a diamita (ba dole ba ne su zama zagaye), amma dole ne a haɓaka su. Fa'idar L-band shine babban kewayon ganowa, gami da abubuwa tare da ƙaramin ingantaccen hangen nesa na radar (makamai masu linzami, jirgin sama na ɓoye). Radar gefe suna haɓaka radar gaba da na baya da ke aiki a cikin santimita S-band, gami da siffar eriyansu. Jimillar eriya guda huɗu suna ba da ɗaukar hoto na digiri 360 a kusa da jirgin, kodayake ana iya ganin eriya ta gefe sune manyan firikwensin.
