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Science fiction has never looked more life-like. (SpaceX) Science fiction has never looked more life-like. (SpaceX)

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SpaceX’s Raptor engine nears flight-readiness for BFR spaceship hop tests

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In a presentation that revealed plans for a private mission to the Moon in as early as 2023, SpaceX CEO Elon Musk dedicated a couple minutes to BFR’s booster and spaceship rocket engine of choice, Raptor. Musk had nothing but praise for SpaceX’s propulsion engineers and technicians, stating that he was “really excited” about the propulsion system’s advanced design.

Judging from a total of 1200 seconds of hot-fires completed just under a year ago, it’s safe to assume that Raptor has soared beyond that measure. Most recently, photos captured earlier this summer showed that a new prototype was installed on SpaceX’s horizontal Raptor test stand in McGregor, Texas, looking nearly identical to the deep black Raptor nozzle shown in Monday’s presentation. Previous Raptor prototypes seen during testing or at the test stand appeared to have a nozzle closer to SpaceX’s silver Merlin 1Ds, whereas this newest iteration’s nozzle doesn’t seem to reflect the powerful spotlights surrounding it.

Perhaps not a coincidence, SpaceX’s propulsion engineering lead Tom Mueller stated in May 2018 that flight-ready Raptors were already “in work”, with the implication being that the finalized Raptor design had been completed and that manufacturing work was beginning in earnest. Barring an unexpected shift in testing strategies, SpaceX will optimize and verify Raptor’s flight design over the course of several hundred seconds of static fire tests, eventually leading into the same practices used for Falcon 9.

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“This is a stupidly hard problem and SpaceX engineering has done a great job with this design.” In a May 2018 tweet, Musk added that “this engine is something special.” – Elon Musk, 09/17/18

Prior to being installed on any BFR prototypes, all Raptors will thus go through acceptance testing in Texas, potentially followed by a full-up static fire of the first completed BFR spaceships. Falcon 9 boosters – capable of roughly 7600 kN (1.7 million lbf) of thrust – are routinely tested in McGregor, while a full BFR spaceship with 2017-grade Raptors (1700 kN at sea level) would produce 12,000 kN (2.7 million lbf) of thrust with all Raptors firing. However, due to the sheer difficulty of transporting something 9 meters in diameter by road, it’s more likely that SpaceX will need to build up a dedicated static fire and hop test facility near the coast of Texas, at a spot called Boca Chica.

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Getting to hop tests

As it turns out, massive propellant storage tanks (vacuum insulated) have already begun arriving at SpaceX’s Boca Chica facilities, currently dedicated to a duo of tracking and communications radars to be used for Crew Dragon communications. Over the course of the next 12 or so months, SpaceX is thus likely to expand and develop its Boca Chica facilities, culminating – if all goes well – sometime late next year with the first shipment of a prototype BFR spaceship from Port of Los Angeles, through the Panama Canal, to Port of Brownsville, Texas.

“I’m really excited about this engine design, I think the SpaceX propulsion team has done an amazing job – the SpaceX structures and aero team has done a phenomenal job in the design of this.”

“Even others in the aerospace industry don’t know what question to ask – once we could frame the question [with precision], the answers [for Raptor and BFR R&D] flowed.” – Elon Musk, 09/17/18

A gif of Raptor throttling over the course of a 90+ second static-fire test in McGregor, Texas. (SpaceX)

SpaceX has already completed the first composite segment (both a section of the fuselage and of a propellant tank) of the first BFR spaceship prototype, and Musk further stated that BFR’s structural engineers and technicians would begin fabricating the spaceship prototype’s propellant tank domes and engine section “soon”. A vast amount of work remains to be completed before that prototype will begin to look anything like an actual spaceship, and the exact fidelity SpaceX is hoping to achieve with it is unclear.

If the company tries to get as close as possible to a finished product (within reason, of course) before beginning propulsive hop tests in Texas, a very late-2019 debut of that test campaign could be a practical goal. It’s not a perfect comparison, but Falcon 9 is perhaps the best prior example of SpaceX’s speed of development, moving from structural fabrication and testing (albeit with Falcon 5 in mind) in 2006 and 2007 to a full-up orbital launch of the first Falcon 9 in mid-2010, with milestones like the first static fire of a booster octaweb and nine Merlin 1C engines 6-12 months prior.


For prompt updates, on-the-ground perspectives, and unique glimpses of SpaceX’s rocket recovery fleet check out our brand new LaunchPad and LandingZone newsletters!

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Eric Ralph is Teslarati's senior spaceflight reporter and has been covering the industry in some capacity for almost half a decade, largely spurred in 2016 by a trip to Mexico to watch Elon Musk reveal SpaceX's plans for Mars in person. Aside from spreading interest and excitement about spaceflight far and wide, his primary goal is to cover humanity's ongoing efforts to expand beyond Earth to the Moon, Mars, and elsewhere.

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SpaceX reaches incredible milestone with Starlink program

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Credit: SpaceX

SpaceX reached an incredible milestone with its Starlink program with a launch last night, as the 3,000th satellite of the year was launched into low Earth orbit.

On Monday, SpaceX also achieved its 32nd flight with a single Falcon 9 rocket from NASA’s Kennedy Space Center.

The mission was Starlink 6-92, and it utilized the Falcon 9 B1067 for the 32nd time this year, the most-used Falcon booster. The flight delivered SpaceX’s 3000th Starlink satellite of the year, a massive achievement.

There were 29 Starlink satellites launched and deployed into LEO during this particular mission:

SpaceX has a current goal of certifying its Falcon boosters for 40 missions apiece, according to Spaceflight Now.

The flight was the 350th orbital launch from the nearby SLC-40, and the 3,000 satellites that have been successfully launched this year continue to contribute to the company’s goal of having 12,000 satellites contributing to global internet coverage.

There are over five million users of Starlink, the latest data shows.

Following the launch and stage separation, the Falcon 9 booster completed its mission with a perfect landing on the ‘Just Read the Instructions’ droneship.

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The mission was the 575th overall Falcon 9 launch, highlighting SpaceX’s operational tempo, which continues to be accelerated. The company averages two missions per week, and underscores CEO Elon Musk’s vision of a multi-planetary future, where reliable connectivity is crucial for remote work, education, and emergency response.

As Starlink expands and works toward that elusive and crucial 12,000 satellite goal, missions like 6-92 pave the way for innovations in telecommunications and enable more internet access to people across the globe.

With regulatory approvals in over 100 countries and millions of current subscribers, SpaceX continues to democratize space, proving that reusability is not just feasible, but it’s also revolutionary.

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Tesla expands new Full Self-Driving program in Europe

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Credit: Tesla Europe & Middle East/X

Tesla expanded its new Full Self-Driving program, which gives people the opportunity to experience the company’s suite, in Europe.

Tesla recently launched an opportunity for Europeans to experience Full Self-Driving, not in their personal vehicles, but through a new ride-along program that initially launched in Italy, France, and Germany back in late November.

People could experience it by booking a reservation with a local Tesla showroom, but timeslots quickly filled up, making it difficult to keep up with demand. Tesla expanded the program and offered some additional times, but it also had its sights set on getting the program out to new markets.

It finally achieved that on December 9, as it launched rides in Denmark and Switzerland, adding the fourth and fifth countries to the program.

Tesla confirmed the arrival of the program to Denmark and Switzerland on X:

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The program, while a major contributor to Tesla’s butts in seats strategy, is truly another way for the company to leverage its fans in an effort to work through the regulatory hurdles it is facing in Europe.

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Tesla has faced significant red tape in the region, and although it has tested the FSD suite and been able to launch this ride-along program, it is still having some tremendous issues convincing regulatory agencies to allow it to give it to customers.

CEO Elon Musk has worked with regulators, but admitted the process has been “insanely painful.”

The most recent development with FSD and its potential use in Europe dealt with the Dutch approval authority, known as the RDW.

Tesla says Europe could finally get FSD in 2026, and Dutch regulator RDW is key

Tesla said it believes some regulations are “outdated and rules-based,” which makes the suite ineligible for use in the European jurisdiction.

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The RDW is working with Tesla to gain approval sometime early next year, but there are no guarantees. However, Tesla’s angle with the ride-along program seems to be that if it can push consumers to experience it and have a positive time, it should be easier for it to gain its footing across Europe with regulatory agencies.

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Tesla ramps hiring for Roadster as latest unveiling approaches

Tesla published three new positions for the Roadster this week, relating to Battery Manufacturing, General Manufacturing, and Vision Engineering.

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Tesla Roadster at Tesla Battery Day 2020 Credit: @BLKMDL3 | Twitter

Tesla is ramping up hiring for positions related to the Roadster program, the company’s ultra-fast supercar that has been teased to potentially hover by CEO Elon Musk.

The company seems to be crossing off its last handful of things before it plans to unveil the vehicle on April Fool’s Day, just about four months away.

Tesla published three new positions for the Roadster this week, relating to Battery Manufacturing, General Manufacturing, and Vision Engineering. All three are located in Northern California, with two being at the Fremont Factory and the other at the company’s Engineering HQ in Palo Alto.

Technical Program Manager, Battery Manufacturing

Located in Fremont, this role specifically caters to the design of the Roadster to factory operations. It appears this role will mostly have to do with developing and engineering the Roadster’s battery pack and establishing the production processes for it:

“You will foster collaboration across design engineering, manufacturing, quality, facilities, and production to align with company priorities. Additionally, you will understand project opportunities, challenges, and dependencies; translate scattered information into concise, complete messages; and communicate them to every team member. As the business process development lead, you will develop, maintain, and implement tools and processes to accelerate battery manufacturing execution, achieve cross-functional alignment, and deliver highly efficient systems.”

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Manufacturing Engineer, Roadster

Also located in Fremont, this role also has to deal with the concept development and launch of battery manufacturing equipment. Tesla says:

“In this role, you will take large-scale manufacturing systems for new battery products and architectures from the early concept development stage through equipment launch, optimization, and handover to local operations teams.”

Manufacturing Vision Engineer, Battery Vision

This position is in Palo Alto at Tesla’s Engineering Headquarters, and requires the design and scale of advanced inspection and control systems to next-generation battery products:

“You’ll work on automation processes that directly improve battery performance, quality, and cost, collaborating with world-class engineers in a fast-paced, hands-on environment.”

Developing and deploying 2D and 3D vision and measurement systems from proof-of-concept to deployment on high-volume battery manufacturing lines is part of the job description.

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Roadster Unveiling

Tesla plans to unveil the Roadster on April 1, and although it was planned for late this year, it is nice to see the company put out a definitive date.

Musk said on the Joe Rogan Experience Podcast in late October:

“Whether it’s good or bad, it will be unforgettable. My friend Peter Thiel once reflected that the future was supposed to have flying cars, but we don’t have flying cars. I think if Peter wants a flying car, he should be able to buy one…I think it has a shot at being the most memorable product unveil ever.”

Production should begin between 12 to 18 months after unveiling, so we could see it sometime in 2027.

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