Saturday, 18 August, 2018

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

The Falcon 9 Block 5 rocket is hauled up pad 39A at the Kennedy Space Center for an engine test firing The Falcon 9 Block 5 rocket is hauled up pad 39A at the Kennedy Space Center for an engine test firing
Kayla Schwartz | 16 May, 2018, 00:29

On Friday, May 11th at 4:14 p.m. EDT, SpaceX successfully launched Bangabandhu Satellite-1 from historic Launch Complex 39A (LC-39A) at NASA's Kennedy Space Center in Florida.

Starting with version Block 5 design, the Falcon 9 will be frozen, and SpaceX will focus on the completion of the development of manned spacecraft Dragon 2 and the creation of super-heavy launch BFR.

In September 2016, a Falcon 9 exploded during preparations for a static fire test and destroyed a telecom satellite for Israeli fleet operator. SpaceX would like to property and, over 24 hours, relaunch a Block 5 initial stage prior to the end of 2019, firm founder and CEO Elon Musk said.

"This is by far the most advanced pressure vessel ever developed by humanity", Musk said.

And he does well, as in 2008 SpaceX faced a direct survival problem, as the three attempts to launch Falcon 1 had failed, and Elon was on the brink of bankruptcy.

In addition to greater reusability, SpaceX's Block 5 Falcon 9 is created to meet NASA commercial crew requirements and Air Force national security launch criteria. The "Block 5" is the company's final design, bringing with it all the improvements and lessons learned from the previous 53 Falcon 9 designs. SpaceX includes a contingency layout that would entail shifting from high-strength carbon fiber using an aluminum lining into the superalloy Inconel, but this is "unlikely to become mandatory", Musk said. The Merlin engines on that very first variation had 95,000 pounds of thrust for each first-stage engine and 92,500 pounds of thrust for the second-stage engine.

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.

Tom Wolfe, prolific journalist and author, dead at 87
Wolfe was associated with other New Journalism writers like Hunter S. He then attended Yale, where he earned a Ph.D.in American Studies.

The Block 5 is a big deal for SpaceX because it's the culmination of the entire Falcon 9 project.

Ironically, the first zero-maintenance rocket is going to have to be torn apart to prove that it can fly again without intervention.

Musk stated the Falcon 9's octaweb structure, utilized to support all 9 first stage engines and offer compartmentalization in case several stops working, is now much more powerful. The octaweb is made with bolted instead of welded aluminum and has greater thermal protection to prevent melting, he said.

The SpaceX Falcon 9 rocket made its debut on Friday, May 11, and was overall a resounding success.

SpaceX also updated the rocket's avionics, and so is maintaining the titanium grid, he explained. 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.

He highlighted that any more modifications would be little.

"We mean to stabilize the Block 5 stage and don't have any significant upgrades".

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