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SpaceX aces 25th Starlink launch and delivers 1500th Starlink satellite to orbit

Falcon 9 booster B1060 has aced its seventh launch and landing, delivering SpaceX's 1500th Starlink satellite into orbit. (SpaceX)

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After a minor issue at sea triggered a ~23-hour delay, a flight-proven Falcon 9 rocket lifted off without issue on April 28th, carrying an expendable upper stage and 60 Starlink internet satellites as part of its seventh launch and SpaceX’s ninth Starlink mission in 2021 alone.

As is now routine, Falcon 9 booster B1060 burned its nine Merlin 1D (M1D) engines for approximately two and a half minutes and separated from the integrated second stage and payload, which ignited a lone Merlin Vacuum (MVac) engine and continued on its way to orbit. During that approximately six-minute-long second stage burn, B1060 flipped to point its aft end towards the atmosphere, crested to an apogee greater than 120 km (~75 mi), performed a reentry burn to slow down and limit heating, and aced its seventh drone ship landing in ten months.

Known as Starlink-24, the mission is SpaceX’s two-dozenth operational Starlink launch since ‘v1.0’ satellite launches began less than 18 months ago. Including an earlier batch of 60 v0.9 Starlink prototypes launched in May 2019, the vast majority of which have been intentionally deorbited, SpaceX has now launched more than 1500 Starlink satellites. Of the 1450 operational spacecraft launched in 17 months, 1435 remain in orbit and some 1430 – 98.6% – are still under SpaceX’s control. With Starlink-24 complete, SpaceX may also possess more active Starlink satellites in orbit than all other commercial satellites combined.

Falcon 9’s Starlink-24 launch, stage separation, second stage ignition, and booster reentry burn are visible in this long-exposure image. (Richard Angle)

As previously discussed on Teslarati, several sources suggest that Starlink-24 will kick off an extremely busy May and June launch manifest for SpaceX.

“Starlink-24 should also be SpaceX’s third and final launch this April, opening the door for as many as four more Starlink launches (Starlink-25 through Starlink-28) in May, according to Next Spaceflight. Spaceflight Now reports that Starlink-25 is scheduled to launch in “early May,” possibly just a few days to a week after Starlink-24. All four of SpaceX’s workhorse Falcon 9 boosters (B1049, B1051, B1058, B1060) would have to fly once – and one booster twice – to launch Starlink-24 through Starlink-28 between now and the end of May.

No earlier than (NET) June 1st, a Falcon 9 rocket is scheduled to launch radio provider SiriusXM’s SXM-8 radio satellite. SpaceX is scheduled to launch its second upgraded Cargo Dragon spacecraft as early as June 3rd, just two days after SXM-8. Last but likely not least, launch photographer Ben Cooper reports that a flight-proven SpaceX Falcon 9 rocket is scheduled to launch the US military’s fifth upgraded GPS III navigation satellite on June 17th.”


Teslarati.com – 27 April 2021

Including Starlink-24, that means that SpaceX appears to have up to eight Falcon 9 launches scheduled in the next seven weeks and possibly even a ninth or tenth mission in the last two weeks of June. Starlink-24 is SpaceX’s 12th launch this year, leaving the company firmly on track to complete at least 36 orbital launches in 2021 – nearly 40% more than its current record of 26 launches completed in 2020.

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Rewatch – and catch the tail end of – SpaceX’s Starlink-24 webcast below.

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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Tesla teases new market entrance with confusing and cryptic message

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(Credit: Tesla)

Tesla teased its entrance into a new market with a confusing and what appeared to be cryptic message on the social media platform X.

The company has been teasing its entrance into several markets, including Africa, which would be a first, and South America, where it only operates in Chile.

In September, Tesla started creating active job postings for the Colombian market, hinting it would expand its presence in South America and launch in a new country for the first time in two years.

Tesla job postings seem to show next surprise market entry

The jobs were related to various roles, including Associate Sales Manager, Advisors in Sales and Delivery, and Service Technicians. These are all roles that would indicate Tesla is planning to launch a wide-scale effort to sell, manage, and repair vehicles in the market.

Last night, Tesla posted its latest hint, a cryptic video that seems to show the outline of Colombia, teasing its closer than ever to market entry:

This would be the next expansion into a continent where it does not have much of a presence for Tesla. Currently, there are only two Supercharger locations on the entire continent, and they’re both in Chile.

Tesla will obviously need to expand upon this crucial part of the ownership experience to enable a more confident consumer base in South America as a whole. However, it is not impossible, as many other EV charging infrastructures are available, and home charging is always a suitable option for those who have access to it.

Surprisingly, Tesla seems to be more concerned about these middle-market countries as opposed to the larger markets in South America, but that could be by design.

If Tesla were to launch in Brazil initially, it may not be able to handle the uptick in demand, and infrastructure expansion could be more difficult. Brazil may be on its list in the upcoming years, but not as of right now.

@teslarati 🚨🚨 Tesla Full Self-Driving and Yap is the best driving experience #tesla #fsd #yapping ♬ I Run – HAVEN.

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Tesla expands crucial Supercharging feature for easier access

It is a useful tool, especially during hours of congestion. However, it has not been super effective for those who drive non-Tesla EVs, as other OEMs use UI platforms like Google’s Android Auto or Apple’s iOS.

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tesla supercharger
Credit: Tesla

Tesla has expanded a crucial Supercharging feature that helps owners identify stall availability at nearby locations.

Tesla said on Tuesday night that its “Live Availability” feature, which shows EV owners how many stalls are available at a Supercharger station, to Google Maps, a third-party app:

Already offering it in its own vehicles, the Live Availability feature that Teslas have is a helpful feature that helps you choose an appropriate station with plugs that are immediately available.

A number on an icon where the Supercharger is located lets EV drivers know how many stalls are available.

It is a useful tool, especially during hours of congestion. However, it has not been super effective for those who drive non-Tesla EVs, as other OEMs use UI platforms like Google’s Android Auto or Apple’s iOS.

Essentially, when those drivers needed to charge at a Supercharger that enables non-Tesla EVs to plug in, there was a bit more of a gamble. There was no guarantee that a plug would be available, and with no way to see how many are open, it was a risk.

Tesla adding this feature allows people to have a more convenient and easier-to-use experience if they are in a non-Tesla EV. With the already expansive Supercharger Network being available to so many EV owners, there is more congestion than ever.

This new feature makes the entire experience better for all owners, especially as there is more transparency regarding the availability of plugs at Supercharger stalls.

It will be interesting to see if Tesla is able to expand on this new move, as Apple Maps compatibility is an obvious goal of the company’s in the future, we could imagine. In fact, this is one of the first times an Android Auto feature is available to those owners before it became an option for iOS users.

Apple owners tend to get priority with new features within the Tesla App itself.

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Elon Musk’s Boring Co goes extra hard in Nashville with first rock-crushing TBM

The Boring Company’s machine for the project is now in final testing.

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Credit: The Boring Company/X

The Boring Company is gearing up to tackle one of its toughest projects yet, a new tunnel system beneath Nashville’s notoriously tough limestone terrain. Unlike the soft-soil conditions of Las Vegas and Austin, the Music City Loop will require a “hard-rock” boring machine capable of drilling through dense, erosion-resistant bedrock. 

The Boring Company’s machine for the project is now in final testing.

A boring hard-rock tunneling machine

The Boring Company revealed on X that its new hard-rock TBM can generate up to 4 million pounds of grip force and 1.5 million pounds of maximum thrust load. It also features a 15-filter dust removal system designed to keep operations clean and efficient during excavation even in places where hard rock is present.

Previous Boring Co. projects, including its Loop tunnels in Las Vegas, Austin, and Bastrop, were dug primarily through soft soils. Nashville’s geology, however, poses a different challenge. Boring Company CEO and President Steve Davis mentioned this challenge during the project’s announcement in late July.

“It’s a tough place to tunnel, Nashville. If we were optimizing for the easiest places to tunnel, it would not be here. You have extremely hard rock, like way harder than it should be. It’s an engineering problem that’s fairly easy and straightforward to solve,” Davis said.

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Nashville’s limestone terrain

Experts have stated that the city’s subsurface conditions make it one of the more complex tunneling environments in the U.S. The Outer Nashville Basin is composed of cherty Mississippian-age limestone, a strong yet soluble rock that can dissolve over time, creating underground voids and caves, as noted in a report from The Tennessean.

Jakob Walter, the founder and principal engineer of Haushepherd, shared his thoughts on these challenges. “Limestone is generally a stable sedimentary bedrock material with strength parameters that are favorable for tunneling. Limestone is however fairly soluble when compared to other rack materials, and can dissolve over long periods of time when exposed to water. 

“Unexpected encounters with these features while tunneling can result in significant construction delays and potential instability of the excavation. In urban locations, structures at the ground surface should also be constantly monitored with robotic total stations or similar surveying equipment to identify any early signs of movement or distress,” he said.

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