Reusable Falcon 9 will be cheaper in 10 times

Falcon 9 by SpaceX

Enhanced SpaceX Falcon9 Rocket Launches Thursday; Designed Multiple Flights

At a briefing with reporters hours prior to the scrubbed launch of their initial Block 5 Falcon 9 rocket, Musk said the Block 5 is meant to function as "the most dependable rocket ever assembled".

"Standing down today due to a standard ground system auto abort at T-1 min. Rocket and payload are in good health-teams are working towards tomorrow's backup launch opportunity at 4:14 p.m. EDT, or 20:14 UTC". Take the most recent launch of a "flight-proven" Falcon 9 first stage. Such an achievement would mark yet another milestone in space exploration, as no other rocket has been reused as many times in human history.

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.

It also has a redesigned helium pressurant tanks, to avoid incidents like the one which took place at Cape Canaveral in 2016, when such a tank was the cause of a Falcon 9 rocket explosion. 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.

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"This is by far the most advanced pressure vessel ever developed by humanity", Musk said. "We kind of adopted it from the Russians", he said.

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

Falcon 9 rocket, aiming to bring astronauts to the International Space Station (ISS) in the future, came with many design changes to improve its reusability and reliability.

While it's the fifth iteration of the Falcon 9, Musk said the Block 5 "is arguably Falcon 9's version 6" based on how improvements have been made over time.

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Elon said that a last-minute hassle on May 10 postponed the Block 5 Falcon 9's debut launch 24 hours to May 11. 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.

"Obviously, aesthetics are a minor factor in rocket design, but I still like the fact that we've returned for nostalgic reasons to having a black interstage", Musk said.

SpaceX engineers may squeeze another 2 percent of extra thrust out of the first stage, and another 5 percent from the 2nd phase as compared with the Block 4, he stated.

He highlighted that any more modifications would be little. And so will the many upgrades the company has made to the new Block 5, he added on Friday.

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