ISRO ta yi nasarar gudanar da aikin Ƙaddamar da Mota Mai Zaman Kanta (RLV LEX). An gudanar da gwajin ne a filin Gwajin Aeronautical (ATR), Chitradurga, Karnataka a farkon sa'o'i a ranar 2 ga Afrilu, 2023.
Jirgin RLV ya tashi ne da karfe 7:10 na safe IST ta wani jirgin sama mai saukar ungulu na Chinook na Rundunar Sojan Sama na Indiya a matsayin nauyi mai nauyi kuma ya tashi zuwa tsayin kilomita 4.5 (sama da Matsayin Teku MSL). Da zarar an cimma sigogin kwalin kwalin da aka ƙayyade, bisa ga umarnin RLV's Mission Management Computer, an sake RLV a tsakiyar iska, a ƙasa mai nisan kilomita 4.6. Sharuɗɗan sakin sun haɗa da sigogi 10 da ke rufe matsayi, saurin gudu, tsayi da ƙimar jiki, da sauransu. Sakin RLV ya kasance mai cin gashin kansa. Daga nan RLV ya aiwatar da dabara da saukowa ta hanyar amfani da Integrated Kewayawa, Guidance & tsarin sarrafawa kuma ya kammala saukowa mai cin gashin kansa akan tashar iska ta ATR a 7:40 AM IST. Da wannan, ISRO ta samu nasarar saukowar abin hawa sararin samaniya.
An yi saukar da mai cin gashin kai ne a daidai yanayin saukar motar ta sake shiga sararin samaniya - saurin gudu, mara matuki, daidaitaccen saukowa daga hanyar dawowa - kamar dai motar ta zo daga sararin samaniya. Siffofin saukarwa kamar saurin dangi na ƙasa, ƙimar nutsewar Gear Landing, da madaidaicin ƙimar jiki, kamar yadda motar sararin samaniya ta sake dawowa orbital a hanyar dawowarta, an cimma su. RLV LEX ya buƙaci fasaha na zamani da yawa waɗanda suka haɗa da ingantattun kayan aikin kewayawa da software, tsarin Pseudolite, Ka-band Radar Altimeter, Mai karɓar NavIC, Gear Landing na asali, Fins ɗin zuma-comb na Aerofoil da tsarin parachute birki.
A karon farko a duniya, wani jirgin sama mai saukar ungulu ya dauki wani jikin fuka-fuki zuwa tsayin kilomita 4.5 kuma an sake shi saboda saukar da kansa a kan titin jirgin sama. RLV da gaske jirgin sama ne mai ƙaramin ɗagawa don jan rabo yana buƙatar kusanci a manyan kusurwoyi masu tsayi wanda ya wajabta saukowa a babban gudun kilomita 350 a cikin awa ɗaya. LEX yayi amfani da tsarin ƴan asali da yawa. Tsarin kewayawa na gida bisa tsarin pseudolite, kayan aiki, da tsarin firikwensin, da sauransu ISRO ne ya haɓaka. Model Elevation na Dijital (DEM) na wurin saukowa tare da Ka-band Radar Altimeter ya ba da ingantaccen bayanin tsayi. Gwaje-gwajen ramin iska mai yawa da kwaikwaiyon CFD sun ba da damar siffanta yanayin iska na RLV kafin jirgin. Daidaita fasahar zamani da aka haɓaka don RLV LEX yana juya sauran motocin ƙaddamar da aiki na ISRO mafi tsada.
ISRO ta nuna sake shigar da motar RLV-TD mai fuka-fuki a cikin aikin HEX a cikin watan Mayu 2016. Sake shigar da abin hawan hypersonic sub-orbital ya nuna babbar nasara wajen haɓaka Motocin Ƙaddamar da Sake amfani da su. A cikin HEX, motar ta sauka kan titin titin jirgin sama a kan Bay na Bengal. Madaidaicin saukowa akan titin jirgin sama wani al'amari ne da ba a haɗa shi cikin aikin HEX ba. Manufar LEX ta cimma matakin kusanci na ƙarshe wanda ya yi daidai da hanyar dawowar jirgin da ke baje kolin saukakawa mai cin gashin kansa, mai girma (350 kmph). LEX ya fara ne da Haɗin Gwajin Kewayawa a cikin 2019 kuma ya bi Gwajin Samfuran Injiniya da yawa da gwaje-gwajen Mataki a cikin shekaru masu zuwa.
Tare da ISRO, IAF, CEMILAC, ADE, da ADRDE sun ba da gudummawa ga wannan gwajin. Tawagar IAF hannu da hannu tare da ƙungiyar Project da nau'i-nau'i da yawa an gudanar da su don kammala nasarar yanayin sakin.
Tare da LEX, mafarkin Motar Ƙaddamar da Sake Amfani da Indiya ta isa mataki ɗaya kusa da gaskiya.
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