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giftedviz.com August 17, 2018


SpaceX launches newly updated Falcon 9 rocket

14 May 2018, 03:30 | Ross Houston

SpaceX Successfully Launches Upgraded Falcon 9 Rocket

Bangabandhu Satellite-1 Mission

The iconic slogan - "Joy Bangla, Joy Bangabandhu" was also chanted at places across the country while Bangabandhu-1 was rocketing Bangladesh's flag into space.

After a day's delay, Bangladesh's first satellite was today successfully launched atop the first SpaceX Falcon 9 Block 5 rocket.

Musk plans to launch about 30 of these upgraded Falcon 9s before switching to a massive rocket still in development known as the BFR, or Big Falcon Rocket.

The glitch forced the one-day delay in the launch, but Friday's mission went off without a hitch.

Meanwhile, the first stage returned to Earth, acing the landing on a so-called drone ship that SpaceX situated in the Atlantic Ocean, nearly 400 miles away from the Kennedy Space Center.

The following is an excerpt from Wikipedia on the rocket. This is the 25th successful Falcon 9 powered touchdown. The rocket was launched 33 times as of 18 April 2018, and more than 50 launches are planned over the years 2018-2020. For these missions, the Falcon 9 must be certified as man-rated. Starting in 2017, previously-flown first-stage boosters were reused to launch new payloads into orbit. Those changes may make engineers easier to refurbish its first stages for more flights.

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The Block 5 is also outfitted with improved navigation fins - which help guide the rocket's first stage back to Earth after delivering a satellite into orbit - made from fire-resistant titanium. The largest changes between Block 3 and Block 5 are higher thrust on all of the engines and improvements on landing legs.

So far, the first-stage boosters have been recycled once, for a total of two flights apiece. Alterations are focused on increasing the speed of production and efficiency of re-usability. The rocket's recoverable booster is created to be reused at least 10 times.

The Block 5 design changes are principally driven by upgrades needed for United States government Commercial Crew program and National Security Space Launch requirements.

Redesigned and requalified valves for higher levels and much longer duration.

Named after Bangabandhu Sheikh Mujibur Rahman, the founding father of Bangladesh, the communication satellite is destined to provide the people of Bangladesh with a wide array of services, "including phone services, backhaul, radio, direct-to-home TV, and internet", Thales Alenia Space, the French company that built the satellite, said in a statement.

The first launch attempt of the satellite, however, was postponed in the early hours of Friday, due to "standard ground system auto abort".



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