Wednesday, July 5, 2017

Ground Breaking Milestone: THE FAT BOY

ISRO has been scaling the biggest of the mountains ever since its inception. The organisation has made every citizen of India proud by establishing the name of the country in the global world. ISRO has achieved major milestones throughout its journey and has made everyone proud.

Adding another feather to its master hat, ISRO recently launched a new satellite by the name of the “ THE FAT BOY “ also known as geosynchronous satellite launch vehicle mark III-D1 on June 5. 17:28. It is India's heaviest but also the smallest rocket which went to be ISRO’s next step to establish man’s footprints in space after the groundbreaking success of Mars Orbiter Mission. The rocket was 43 metres high and 4 meters wide. The reason it was named the fat boy was to be because of its humongous capability to carry a load of 640 tonnes, which is almost equal to 200 elephants!. It is a three-stage vehicle with world’s heaviest two solid motor strap-on boosters, a liquid propellant core stage and a Cryogenic Upper Stage (CUS). The new Cryogenic engine uses liquid oxygen and liquid hydrogen as its propellants. It is equipped with next generation advanced spacecraft technologies including indigenous Lithium (Li) ion battery and bus subsystem. This rocket is much more manoeuvrable than other rockets launched in this feature hence making it a marvellous invention till date.

Its development began in early 2000’s while the first launch date was decided to be for 2009-10. Several adversities came through due to 2010 failure of GSLV MK-II. With a passive cryogenic third stage, ISRO finally got its much-needed success. It took ISRO scientists 15 years to master the cryogenic technology. Apart from India, only three countries have previously mastered it- U.S, Russia and China. It is better than its previous editions due to possessing four-tonne class satellites into geosynchronous transfer orbits. Thus the launch will increase India’s capability to carry payloads from the current gap of two tonnes. It is a next generation rocket which is also the heaviest making ISRO self-reliant in launching heavier communication satellites of INSAT-4 class.
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