The hottest Aerospace Substack posts right now

And their main takeaways
Category
Top Technology Topics

Material science is really important

TP’s Substack • 45 implied HN points • 27 Jun 25
🕹 Technology Aerospace
  1. Material science is crucial for developing advanced technologies. It helps create stronger and lighter materials used in many industries, especially aerospace.
  2. China leads in synthetic fiber production, making it vital for global supply chains. This dominance impacts many industries, including clothing and advanced manufacturing.
  3. Innovation in materials like carbon fiber is driving progress in various fields, from electric vehicles to robotics. These advancements are essential for future technology and industry growth.

Why pay attention to SpaceX?

MoneyLemma • 78 implied HN points • 08 Oct 23
🕹 Technology Aerospace
  1. SpaceX has made significant advancements in private-sector space missions.
  2. Starlink by SpaceX aims to provide internet coverage to remote areas using satellites.
  3. SpaceX's reusable rockets and Starship project are revolutionizing space travel and reducing costs.

SpaceX is Killing It

startupdreams • 105 implied HN points • 19 Nov 24
🕹 Technology Aerospace
  1. SpaceX has stopped taking new Starlink customers in some US cities, which shows how far its internet service has come in just a decade after being doubted.
  2. Starlink has over 6,000 satellites in space and 5 million active users, meaning it brings in a lot of cash that can support SpaceX's other projects.
  3. With the successful launch of the Starship rocket, SpaceX plans to have over 400 launches of Starship in the next four years, showing their commitment to advancing space technology.

What to make of China's 6th gen?

TP’s Substack • 53 implied HN points • 26 Dec 24
🕹 Technology Aerospace
  1. China's 6th generation fighter jets may be larger and more powerful than previous models, possibly able to carry more fuel and advanced electronics.
  2. The future of air warfare might rely on a mix of manned aircraft and unmanned combat aerial vehicles (UCAVs), potentially changing the typical roles and payloads expected of fighter jets.
  3. The anticipated design and capabilities of these new jets suggest they will need significant power for advanced technologies, allowing them to perform a variety of missions effectively.

A Radical Approach to Handle Your Mistakes

Ruben Ugarte's Growth Needle™ • 19 implied HN points • 23 Jan 24
💼 Business Aerospace
  1. Volunteering mistakes can lead to safety improvements. In aviation, encouraging staff to report errors has made flying much safer over the years.
  2. Boeing's decline from an innovator to a company facing serious issues shows the consequences of neglecting quality and safety.
  3. The airline industry adopted new practices that prioritized transparency, leading to a safer environment for both passengers and employees.
Get a weekly roundup of the best Substack posts, by hacker news affinity:

Picking a Proven Winner: NRO and Starshield

Ill-Defined Space • 47 implied HN points • 17 Jan 25
🕹 Technology Aerospace
  1. The National Reconnaissance Office (NRO) is rapidly deploying satellites using SpaceX's Starshield, increasing its satellite fleet significantly in a short time. This means they are becoming more reliant on a single company for their satellite manufacturing needs.
  2. In contrast, the Space Development Agency (SDA) is struggling to build a solid supply chain and is concerned about its satellite manufacturers. They need to make and deploy a larger number of satellites than currently planned.
  3. The NRO's approach may help it quickly achieve its goals, but it raises questions about the risk of depending heavily on SpaceX for critical military capabilities.

Blast from the Past: The Supersonic Comeback Tour

Startupology • 19 implied HN points • 09 Jan 24
🕹 Technology Aerospace
  1. Supersonic flight is making a comeback after facing challenges like high operation costs and noise complaints.
  2. Exciting projects by NASA and private companies aim to bring back supersonic flight with advancements like 'sonic thumps' and sustainable fuels.
  3. The future of supersonic flight faces challenges like technical limitations, environmental concerns, safety precautions, and regulatory hurdles.

More thoughts on 6th generation projects

TP’s Substack • 43 implied HN points • 29 Dec 24
🕹 Technology Aerospace
  1. The J-36 aircraft is designed to handle very high power demands for its various technologies, like radar and electronic warfare. This means it needs advanced electrical systems to support all its capabilities.
  2. The J-36 is a multi-role aircraft that acts as a central hub, coordinating various other unmanned vehicles and aircraft during missions. This makes it a crucial part of modern combat strategies.
  3. With its potential long range and high speed, the J-36 can launch attacks from great distances while remaining hard to detect. It's designed to be a tough target for enemies, making it a valuable asset in air operations.

Choosing Wisely: NRO and SDA Acquisitions

Ill-Defined Space • 38 implied HN points • 24 Jan 25
🇺🇸 U.S. Politics Aerospace
  1. The National Reconnaissance Office (NRO) is ahead in deploying satellites compared to the Space Development Agency (SDA). This is important because faster satellite deployment can improve national security.
  2. The missions of the NRO and SDA are different. The NRO supports a wide range of intelligence needs, while the SDA is focused mainly on helping U.S. military forces detect missile threats.
  3. Both agencies are trying to fix slow satellite acquisition processes. The NRO's partnership with SpaceX is helping them deploy quickly, while the SDA is still working on building a robust supply chain for their satellites.

From J-10 to J-XD - History

TP’s Substack • 27 implied HN points • 26 Dec 24
🕹 Technology Aerospace
  1. China's fighter jet development has evolved significantly from earlier models, with newer jets like the J-10 and J-20 showing vast improvements in technology and performance.
  2. The transition from 4th to 5th generation fighter jets has been important for the PLAAF, highlighting advancements in stealth, electronics, and weaponry.
  3. Looking ahead, the next generation of fighters, like the J-XD, will likely rely on AI and integrate with drones for enhanced combat capabilities.

Something's Rotten in the State of Washington

Ulysses • 6 HN points • 22 Mar 24
💼 Business Aerospace
  1. Boeing faced a downward spiral due to mismanagement involving outsourcing, cost-cutting, and layoffs. These actions affected safety, reliability, and led to tragic consequences.
  2. The decision to outsource important design work to international centers, such as in Moscow and India, resulted in errors and quality issues due to inexperienced engineers and layoffs of experienced staff.
  3. The lack of quality control and oversight in Boeing's manufacturing processes led to significant issues, including faulty oxygen systems and non-conforming parts, raising serious concerns about aviation safety.

Hybrid Technology is better than ICE

TP’s Substack • 26 implied HN points • 17 Nov 24
🕹 Technology Aerospace
  1. Hybrid technology, like plug-in hybrids, is better for many situations than traditional gasoline engines because they can be more efficient and provide longer ranges.
  2. Electrical systems in hybrid vehicles are more compact and can react faster, making them easier to integrate with advanced technology.
  3. There is growing interest in hybrid technology for various applications, including air travel and military vehicles, as they are seen as more efficient compared to fully battery electric options.

Space Industry Stories and Fibs

Ill-Defined Space • 19 implied HN points • 07 Feb 25
🕹 Technology Aerospace
  1. Some claims in the space industry are exaggerated or misleading, often to attract investment or support without solid proof. It's important to be critical of what you hear.
  2. Cheap launches are often a myth; while SpaceX may offer lower prices, many other companies do not match that, and the real cost can be hidden.
  3. Many small satellite launchers struggle in the market because they face tough competition and higher costs. The trend is shifting back towards larger rockets that can handle multiple satellites at once.

The SDA’s Inertia-imposed Challenges

Ill-Defined Space • 19 implied HN points • 20 Dec 24
🇺🇸 U.S. Politics Aerospace
  1. The Space Development Agency (SDA) is struggling with supply chain issues for satellite manufacturing. This is partly due to a past focus on slow production, which created a system that favors large companies over smaller, more agile ones.
  2. The SDA's contracts often go to established companies that have experience writing proposals but may lack the capability to produce satellites quickly. This means the SDA risks getting solutions that aren't as effective as what smaller, more innovative companies could offer.
  3. The SDA aims to increase the number of satellites produced swiftly, but many contractors may not be able to meet these high demands. This situation emphasizes the need for a more responsive and effective satellite manufacturing base.

Runway Project

De Novo • 66 implied HN points • 27 Jul 23
🕹 Technology Aerospace
  1. Runway Project is a combat tournament and art show based in Kerbal Space Program
  2. Craft design in Runway Project requires balancing firepower, thrust, maneuverability, resilience, and artistic potential
  3. Important design tips for Runway Project include considering round rules, incorporating art into craft design, testing designs, ensuring craft resilience, and tuning AI

The Sky is NOT the Limit 🧑‍🚀🌍🚀

Sector 6 | The Newsletter of AIM • 19 implied HN points • 20 Nov 22
🕹 Technology Aerospace
  1. India is making impressive strides in space exploration. It's clear that the country has the potential to reach new heights.
  2. Skyroot Aerospace has made history by launching India's first private rocket into space. This marks a significant change in India's space journey.
  3. The startup landscape in India is likened to a rocket launch due to its challenges and risks, but success is possible.

The sound epistemics behind Boom's breaking of the sound barrier

Building the Builders • 7 implied HN points • 10 Feb 25
💼 Business Aerospace
  1. Blake Scholl started from scratch in the aerospace industry. He had no prior experience but was determined to learn everything necessary to build a supersonic jet.
  2. Instead of accepting common reasons why supersonic flight couldn't work, Blake researched thoroughly and found that many of those reasons were outdated or inaccurate.
  3. He embraced his confusion and used it as motivation to improve his understanding. Keeping a 'confusion list' helped him tackle and clarify tough concepts over time.

Moved Cheese: SpaceX’s 2024 Launch Goals

Ill-Defined Space • 9 implied HN points • 15 Feb 24
🕹 Technology Aerospace
  1. SpaceX increased its launch goals for 2024 to 144, a significant jump from 2023's 100 launches.
  2. The January 2024 launches were at a high number, but SpaceX still needs to maintain a monthly average of 12 launches to reach the 144 launch goal for 2024.
  3. SpaceX's ability to deploy more massive Starlink satellites suggests potential challenges in meeting the 144 launch goal for 2024.

Geopolitics in 2024: A Year of Surprises

What's Important? • 5 implied HN points • 07 Feb 24
🌍 World Politics Aerospace
  1. Countries home to nearly half the world's population are having elections in 2024, a first in history.
  2. Geopolitical instability is increasing globally, leading to proxy wars and impacting energy markets.
  3. Space is becoming a critical area of focus, with discussions on space solar technology and moon territory claims.

Aerially Separated Nuclear Aircraft

Tapa’s Substack • 0 implied HN points • 06 Jul 24
🕹 Technology Aerospace
  1. Nuclear aircraft need heavy shielding, which can make them less efficient. The idea is to separate the nuclear reactor from the passenger plane using a drone.
  2. The drone would beam power to the airplane using lasers, which could reduce the need for heavy shielding and keep passengers safer.
  3. This concept suggests that enough laser power can be delivered to make flying possible, but it's still just an idea and might not work out.

How Planes Take Off, Cruise, and Land: A Few Surprising Numbers

Kartick’s Blog • 0 implied HN points • 20 Nov 25
🔬 Science Aerospace
  1. Planes take off and land at speeds between 250 and 310 kph. In places like Bangalore, the altitude makes the takeoff speed a bit faster because the air is thinner.
  2. When cruising, planes fly at around 39 to 41 thousand feet and can travel at speeds of about 800 kph. From up there, you can even see highways on clear days.
  3. Planes begin to descend over 200 kilometers before landing. Once they go below 10,000 feet, it usually takes just over 9 minutes to touch down.

🐿️ Those Magnificent Men In Their Flying Machines - The Insanely Profitable Tech Newsletter

Squirrel Squadron Substack • 0 implied HN points • 07 Jan 25
🕹 Technology Aerospace
  1. Experimentation is key to learning. Just like early aviators learned from their crash attempts, businesses can benefit from trying new things and learning quickly from failures.
  2. SpaceX took more risks and embraced failures, which helped them succeed faster. They learned from their explosions, while Boeing took a safer approach and faced delays and high costs.
  3. In software development, mistakes can be less costly than in aerospace. Companies should feel free to experiment and gather feedback from users to improve their products, just like SpaceX does.

Spying in the Stratosphere

The Climate Historian • 0 implied HN points • 03 May 23
💾 History Aerospace
  1. The Lockheed U-2 plane was used for spying during the Cold War and could fly very high, making it unique for its time. Pilots had to deal with tough conditions and were at risk if they didn't manage their speed correctly.
  2. Besides spying, the U-2 gathered important scientific data, including radioactive fallout from nuclear tests. This helped scientists understand air circulation and its effects on the environment.
  3. The development of the U-2 also led to advancements in satellite technology. Scientists realized that satellites could collect crucial data about the earth's atmosphere and weather patterns, paving the way for modern weather satellites.

KF-21

Military Aviation Videos • 0 implied HN points • 16 Apr 24
🌐 International Aerospace
  1. The KF-21 is a new fighter aircraft from South Korea, which is important for allied integration programs in the region.
  2. The KF-21 shows promise as a native design for South Korea, showcasing the country's growing aerospace capabilities on an international level.
  3. The development of the KF-21 aircraft serves as a reminder that smaller nations, like Australia, can and should invest in producing original military equipment domestically for security and economic reasons.