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Elon Musk’s Reddit AMA: Mars mission, upgrades to Falcon 9 and more
Yesterday, Elon Musk oh-so-kindly reached out on reddit to curious minds in an “Ask Me Anything” (AMA) session as a follow up to his September 27, 2016 talk at the 67th International Astronautical Congress in Guadalajara, Mexico.
Thousands of questions were put forth by AMA contributors, and he provided 15 answers in true, Elon fashion. By that I mean taking fairly complicated questions and answering them in ways that make the original questions more understandable for the layperson (layperson = me). Also, one word responses to two-paragraph long questions.
This will be under /r/spacex, not the general AMA. Meant to be supplemental to the IAC talk.
— Elon Musk (@elonmusk) October 23, 2016
General Outline of AMA Topics
Elon couldn’t put every inquiry to rest, but he did provide some interesting things to chew over. The audience, of course, actively participated every step of the way. Among the topics, there was…
- Discussion on the types of power to be used for energy in the initial base of operations on Mars: Bets were on solar, doubts were on nuclear, and Elon seemed to play the methane card by referencing the Sabatier Reaction;
- A clarification on upgrades to the Falcon 9, including a new naming scheme that doesn’t exactly coincide with the current semi-scheme;
- A broad outline of steps planned for setting up the initial Martian base, Elon referring to it as “Mars Base Alpha”;
- Discussion on the technical clarifications, details, and priorities for actualizing the missions, including perhaps even changing the name of the rocket…again.
Oh and sadly, no details on any fantastic spray parks or coffee bars in the crew cabin. We’ll have to wait a “year or two” before knowing what’s actually going to go inside the thing. He did mention geodesic domes and underground tunnels for “city” considerations, though!
Top Takeaways (IMO)
While Elon’s remarks definitely set some mental wheels in motion, these were my top takeaways:
- Elon believes that the final Falcon 9 booster will be able to be reused indefinitely, production on that version to start in about three months;
- Early Mars missions will be cargo-centric, twelve-passenger crews assumed;
- The transport system booster should be able to withstand 30 to 50 g’s without breaking up (20 being the usual expected amount);
- SpaceX will release mockups of the Mars spacecraft interior “in a year or two”;
- The transport system booster will have an easier time landing than Falcon 9 due to mass ratio and density differences.
[Author’s note: It is going to be insane to watch those boosters land. Can you imagine the Saturn V landing itself? Wowza.]
Of course, my favorite part of reddit (no, really) is the humor. Here are a couple of funnies from this thread:
Final Words
Just a note of sympathy to anyone who’s ever felt a little overwhelmed by the technical knowledge discussions on the SpaceX subreddit (ahem, moi): I view it as akin to thinking you are a pretty knowledgeable cook and then watch an episode of Julia Child’s “The French Chef”. Just because you don’t know 182 ways to cook an egg doesn’t mean you’re not informed about cooking eggs nor are you disqualified from enjoying them. Some people just really really like knowing everything about eggs and can really get you thinking about eggs as multiple organ systems-turned gourmet meals instead of just the side that comes with your toast and home fries.
Onwards!

News
Tesla Megapack project in NSW reaches $260M financial close
The latest Tesla Megapack project to be announced in Australia, with a $260 million financial backing.

Partners involved in yet another Tesla Megapack project in Australia have reached a financial close, as the upcoming site also begins construction.
On Monday, renewables provider Equis Australia announced closing on the $260 million deal for 138 two-hour Megapack units in Tamworth, New South Wales (NSW), set to back a 250MW/500MWh battery energy storage system (BESS). Dubbed the “Calala” BESS, Equis says the project will store enough power to supply electricity for as many as 115,000 homes during peak usage.
The Calala project is expected to become fully operational by 2027, and it will be constructed in two independent project phases, bringing 100MW and an additional 150MW online in sequence. Located about 5.8 kilometers (~3.6 miles) to the southeast of the Tamworth town centre, the Calala battery will be connected to the NSW grid using an underground cable leading to Tamworth’s 330kV Substation.
172 Megapacks and over a million solar panels 🤯 https://t.co/c5Ym3joxYw
— TESLARATI (@Teslarati) March 17, 2025
READ MORE ON TESLA MEGAPACKS: Tesla and Arevon team up on 172-Megapack solar plus project
The BESS is also expected to create around 170 new roles during construction, and as many as seven ongoing positions upon launching operations. The first 100MW portion of the Calala project will be devoted to supplying a partnership with provider Smartest Energy, while Tesla’s Autobidder real-time trading and control platform will be used to manage and oversee energy transactions to make the 150MW project a merchant BESS.
The financial deal includes the sale of $260 million in non-recourse debt financing package from lenders Westpac, Societe Generale, and the Sumitomo Mitsui Banking Corporation. The agreement will also include a Voluntary Planning Agreement (VPA) for the Calala project to contribute a total of $2 million to the Tamworth Regional Council over time.
Equis Australia also has several other BESS projects, primarily located near its headquarters in Melbourne, along with those scattered around the Sydney and Brisbane areas. The company’s Australia branch says it has 16 BESS projects in its portfolio, along with 11 onshore wind projects, together which total 9.6GW of renewable energy capacity.
The renewable provider is also nearing completion of a massive 600MW/1,600MWh BESS outside of Melbourne sporting 444 Tesla Megapack units, which is expected to become operational later this year.
Currently, Tesla produces most of its Megapacks in Lathrop, California, though the company recently shipped its first units from a new Megafactory in Shanghai, China to Australia. The manufacturer has also begun building a third Megafactory in Waller County, Texas, just a couple of hours east of Tesla’s Gigafactory Texas.
News
Tesla Model Y inventory is going fast, selling out in many U.S. states

Tesla Model Y inventory is apparently moving pretty quickly as the legacy version of the best-selling car in the world is now sold out in many U.S. states.
With the introduction of the new Tesla Model Y, the legacy version of the vehicle is now no longer being produced. The units that are available are the final ones that Tesla will produce as it is sunsetting the old look of the all-electric crossover.
As production has stopped on this specific version of the Model Y, Tesla is offering some great deals on the vehicle…that is, if it is still available for delivery in your area.
Since the new Model Y has started production and deliveries, 29 U.S. states have now sold out of the old vehicle’s look:
NEWS: New Tesla Model Y inventory is now completely sold out in Texas, Michigan, Ohio, Illinois, Georgia, Utah, Virginia, Alabama, South Carolina, North Carolina, Tennessee, Mississippi, Arkansas, Kansas, Missouri, Kentucky, Oklahoma, Indianapolis, Iowa, Nebraska, Hawaii,… pic.twitter.com/hTZgDexgmE
— Sawyer Merritt (@SawyerMerritt) March 23, 2025
Tesla is offering over $5,000 off of some of these Model Ys in an effort to move inventory and make room for the new Model Y at its showrooms across the country.
For what it is worth, the legacy Model Y is still a fantastic vehicle, and picking it up through inventory is still a great idea, considering it holds a lot of great tech and is now being offered at a great price.
In the United States, Tesla is still only offering the new Launch Series version of the Model Y, which comes with the company’s Full Self-Driving suite, some exclusive badging, and premium interior, among other things.
Until those lower-cost trims arrive, sales figures for the new Model Y will be restricted to the Launch Series trim. We likely won’t see a launch of Rear-Wheel-Drive or All-Wheel-Drive configurations of the new Model Y until the inventory of the previous version starts to dwindle down a tad more.
Launching those trims now would cannibalize the legacy Model Y vehicles, as most consumers would rather have the new vehicle with the upgrades than the older version — even if it means a substantially lower price.
News
Ex-Waymo CEO dismisses Tesla, Cybercab: “They’re a car company with a driver-assist system”
Krafcik shared his thoughts on Waymo, Tesla, and the Cybercab in an interview with Business Insider.

Waymo, Alphabet’s autonomous driving unit, is still unchallenged in the robotaxi sector, outpacing Tesla’s Cybercab and FSD system. This is, at least, according to John Krafcik, Waymo’s former CEO.
Krafcik shared his thoughts on Waymo, Tesla, and the Cybercab in an interview with Business Insider.
Still Not a Competitor
Krafcik, who led Waymo until 2021, previously noted that Tesla is just an electric vehicle maker with a “really good driver assistance system.” In his recent comments, the ex-Waymo CEO noted that his position regarding Tesla is still the same.
“Tesla has aspired to compete with Waymo for nearly ten years, but they still don’t. They’re a car company with a driver-assist system. They haven’t delivered a single fully autonomous revenue-generating ride yet, something Waymo is already doing a million times a month,” Krafcik noted.
Tesla is currently aiming to launch a robotaxi service using its Unsupervised FSD system around June 2025. Waymo, for its part, has noted that it is providing over 200,000 rides a week across several U.S. cities.
Cybercab Design Criticism
Tesla’s Cybercab, a sleek, two-seat robotaxi revealed in 2024, failed to impress Krafcik. While the Cybercab looks like a vehicle straight out of a science-fiction story, the former Waymo CEO noted that a company serious about building a safe and accessible robotaxi would not come up with an autonomous car that looks like the Cybercab.
“If a company were serious about building a safe and accessible robotaxi business, it would look nothing like what was shown,” Krafcik noted. He also defended Waymo’s use of multiple sensors on its vehicles. “The cost of a robust sensor set, including lidar, is trivial on a per-mile basis. Even more so for mapping. And the safety benefits measured in human harm reduction are real and verifiable.”
Three to Five-Year Lead
Ultimately, Krafcik noted that Waymo should have an edge in the robotaxi business for at least three to five years. “They are the only company in the world successfully deploying an embodied AI replacement for a licensed human driver that can be integrated into any vehicle — and doing this at scale with third-party data verifying significant performance and safety advantages over human drivers,” he stated.
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