Elon Musk explains Falcon 9 Block 5 which carried Bangabandhu-1

Gwen Vasquez
May 17, 2018

Hawhorne-based SpaceX, the rocket and spacecraft developer led by technology mogul Elon Musk, successfully launched and landed a brand new rocket design on Friday, while successfully delivering a satellite into orbit for Bangladesh.

By comparison, the Block 5 Falcon 9 is around two times as effective as the Falcon 9 that initially released a presentation resupply objective for NASA in 2010.

By maintaining the Falcon 9 layout inactive, SpaceX can devote additional time and effort to its Large Falcon Rocket and Starlink satellite constellation. The Block 5 Falcon 9 reportedly has a lifespan of 100 launches with refurbishments required only once every 10 launches. The Block 5 is the last major iteration of the rocket, and SpaceX eventually aims to retire the Falcon 9, along with Dragon and the recently debuted Falcon Heavy rocket, in favor of the BFR spaceflight system, which is now in development. Currently, it is estimated that 60 percent of the cost of the Falcon 9 falls on the first tier, 20 percent to second, 10 percent for the fairing and everything else that is associated with the launch. It's still a massive improvement over the Block 4, but is definitely not at the place where we'll be seeing a 24 hour turnaround. "I think we are in a good situation". The single vacuum-optimized Merlin engine on Falcon 9's second stage has a 5 percent thrust increase to 220,000 pounds-force, he said.

Last weekend saw the maiden launch of the final iteration of the Falcon 9, called the Block 5. It then landed safely on the "Of Course I Still Love You" drone ship stationed in the Atlantic Ocean. Those changes may make engineers easier to refurbish its first stages for more flights.

In addition to higher reusability, SpaceX's Block 5 Falcon 9 is created to satisfy NASA business team requirements and Flying force nationwide security launch requirements.

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SpaceX put lock systems on the Falcon 9's landing legs so the vehicle does not need to depend on external clamps for steadying on ocean-platform landings, Musk stated.

It's important to note that Musk generally has an optimistic view of timelines when it comes both to Tesla and SpaceX, but with the burst of progress we've seen from SpaceX over the a year ago, it's certainly possible. The Falcon 9 formerly used aluminum fins for steering the Falcon 9 first point back to Earth, but SpaceX shifted those around the Block 3 into titanium following the aluminum fins caught fire through reentry.

Before the introduction of the heavyweight rockets BFR (Big Falcon Rocket), SpaceX plans to conduct about 300 launches of Block 5, including the already used steps.

The Block 4 Merlin 1D engines featured constant chamber pressure.

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